Today's Message Index:
----------------------
1. 03:49 AM - Re: RV list history (lucky macy)
2. 04:46 AM - Re: Noise Canceling Headsets - Was Stop the Noise (Larry Bowen)
3. 05:28 AM - Re: AeroElectric-List: Capacitive fuel probe errors? (LarryRobertHelming)
4. 06:19 AM - Re: RV list history (linn walters)
5. 06:27 AM - Lightspeed Timing Question (Doug Rozendaal)
6. 07:17 AM - Re: autopilots (Noel & Yoshie Simmons)
7. 07:45 AM - Re: Lightspeed Timing Question (Mike Robertson)
8. 07:57 AM - Re: Lightspeed Timing Question (Bob Japundza)
9. 08:07 AM - Re: RV list history (Fiveonepw@aol.com)
10. 08:14 AM - Re: Lightspeed Timing Question (Bob U.)
11. 08:16 AM - Re: Lightspeed Timing Question (Bob U.)
12. 08:49 AM - Re: RV list history/Bunny Guide (David Carter)
13. 09:06 AM - Strapping down batteries (Mickey Coggins)
14. 09:19 AM - Re: autopilots (Condrey, Bob (US SSA))
15. 09:31 AM - Re: autopilots (Matt Jurotich)
16. 10:00 AM - Re: RV list history/Bunny Guide (Charlie Kuss)
17. 10:19 AM - Re: autopilots (Ross Mickey)
18. 10:21 AM - Noise Canceling Headsets - Was Stop the Noise (russell parr)
19. 11:06 AM - What size hole for step? (Cammie Patch)
20. 12:15 PM - Re: Lightspeed Timing Question (Stewart, Michael (ISS Atlanta))
21. 12:18 PM - Re: The Lure of Flight (lm4@juno.com)
22. 12:29 PM - Re: Re: AeroElectric-List: Capacitive fuel probe errors? (Jim Sears)
23. 01:28 PM - Re: Strapping down batteries (Terry Watson)
24. 01:40 PM - Re:Noise Canceling Headsets - Was Stop the Noise (Chris Carpenter)
25. 02:06 PM - Re: Re: AeroElectric-List: Capacitive fuel probe errors? (Skylor Piper)
26. 05:01 PM - Re: Noise Canceling Headsets - Was Stop the Noise (Curt Reimer)
27. 05:29 PM - Re: Re: AeroElectric-List: Capacitive fuel probe errors? (Frank van der Hulst (Staff WG))
28. 05:53 PM - Re: Noise Canceling Headsets - Was Stop the Noise (Nick N)
29. 06:15 PM - Re: RV list history/Bunny Guide (Frank van der Hulst (Staff WG))
30. 06:20 PM - Re: Noise Canceling Headsets - Was Stop the Noise (Larry Bowen)
31. 07:11 PM - Re: Noise Canceling Headsets - Was Stop the Noise (Dj Merrill)
32. 07:11 PM - Re: Noise Canceling Headsets - Was Stop the Noise (Brian Kraut)
33. 07:23 PM - Re: RV list history (Jerry Springer)
34. 07:35 PM - Larry Hackney email address? (Bobby Hester)
35. 07:48 PM - Re: RV list history (Fiveonepw@aol.com)
36. 08:16 PM - Re: Re:Noise Canceling Headsets - Was Stop the Noise (Gordon and Marge)
37. 09:10 PM - Re: Noise Canceling Headsets - Was Stop the Noise (Vanremog@aol.com)
38. 09:36 PM - Was Garmin GTX 327 (bruno)
Message 1
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| Subject: | Re: RV list history |
--> RV-List message posted by: "lucky macy" <luckymacy@hotmail.com>
yeah, Bob's in there for sure.
I forgot about 'Daisy' - so I don't miss that. What happened there or
should we just not bother?
Another fella who dropped off but was pretty useful while building was ex
A&P and fiberglass expert Rick Caldwell from Melbourne Florida. If you get
a chance to see his RV6 homemade plenum don't pass it up.
Also, as a datapoint, I've flown with him a couple of times and have to tell
you he regularly passes by more powerful engines 360 powered RVs with his
o-320 RV6. He's convinced me that a light weight RV with less power but CS
prop is probably better acro, better all around handling than something like
an angle valved 200 hp 360 (which is what I've got - oh well).
do not archive
lucky
----Original Message Follows----
From: "rv6tc" <rv6tc@myawai.com>
Subject: Re: RV-List: RV list history
--> RV-List message posted by: "rv6tc" <rv6tc@myawai.com>
In my opinion, near the top would have to be Aero Electric Bob. The man
always found time to answer even the stupidest of questions (trust me) and
would go so far as to look over your entire schematic, if you would send it
to him.
Then of course, you must credit the guy that wanted everyone to be his
"daisy". I miss him.
Howard "daisy".
Denver
----- Original Message -----
> ***
> *** We should start a "RV List Hall of Fame" nomination cycle.
> *** Folks like Scott
> *** McDaniels from Van's, Kyle Boatright (SP?), Alexander
> *** (RIP), etc.
Message 2
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| Subject: | Re: Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: "Larry Bowen" <Larry@BowenAero.com>
Which cell phone/provider do you have that functions at 8500'?
-
Larry Bowen
Larry@BowenAero.com
http://BowenAero.com
Curt Reimer said:
> --> RV-List message posted by: "Curt Reimer" <cgreimer@mb.sympatico.ca>
>
> My two cents:
>
[snip]
> 8. The ability to plug a cell phone into the headset is another feature
> I'd
> never want to give up. It's great to be able to tell your wife from 8500
> feet a hundred miles away that you'll be late for dinner and not to
> initiate
> any search for you.
>
> Frankly, Lightspeed sets the mark in terms of features and sound quality
> for
> me. As for comfort, that is a personal thing and you have to buy what fits
> your head the best. I'd say that the other manufacturers are going to have
> to reproduce the features of the 30-3Gs if they ever want to get my
> business
> again.
>
> Curt
Message 3
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| Subject: | Re: AeroElectric-List: Capacitive fuel probe errors? |
--> RV-List message posted by: "LarryRobertHelming" <lhelming@sigecom.net>
There are concerns about using autogas in a plane. Several articles were
published by Light Plane Maintenance magazine beginning July 2000. I got a
copy at Oshkosh, FAA Safety meeting, or somewhere and recently read it.
Here is reference for back issues:
http://www.lightplane-maintenance.com/pastissue.html
In sort, when using autogas in our plane we should, for our own safety and
our engine's, test each batch of fuel for water/alcohol, octane rating, and
Reid vapor pressure. Supposedly the equipment needed for this testing is
available from ACS at reasonable cost.
In addition, each autogas purchase may have different brand additives and
time-of-the-year/season related additives, different additives due to state,
EPA, and local regulations/fuel laws. There is none of these differences in
AVgas. Each batch of AVgas is identical regardless of where or time of year
it is purchased.
Vapor lock has been studied by the EAA. Here is 2001 reference:
http://www.eaa.org/education/fuel/vaporlock.html
In addition some airplane parts may be altered in size due to autogas
additives. Here are other EAA references for anyone having further
interest:
http://www.eaa.org/education/fuel/materials.html
http://www.eaa.org/education/fuel/oxygenated.html
And if we are interested in considering a mix of AVgas with autogas, please
read this article by EAA:
http://www.eaa.org/education/fuel/fuel/mix.html
And *finally* with a newly rebuilt engine, here is article by EAA on use of
autogas:
http://www.eaa.org/education/fuel/overhaul.html
Indiana Larry, RV7 TipUp "SunSeeker"
----- Original Message -----
From: <Fiveonepw@aol.com>
Subject: Re: AeroElectric-List: Capacitive fuel probe errors?
> --> AeroElectric-List message posted by: Fiveonepw@aol.com
>
> In a message dated 04/27/2004 3:08:54 PM Central Standard Time,
> terry@tcwatson.com writes:
> There is a very recent discussion on the Blue Mountain Avionics discussion
> list about capacitive probes and auto gas. It seems that the probes have
to
> be calibrated for the type of fuel being used, which causes lots of error
or
> inconvenience if you want to switch between 100LL and autogas.
> Use floats- they can't tell the difference...
> Mark & do not archive
Message 4
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| Subject: | Re: RV list history |
--> RV-List message posted by: linn walters <lwalters2@cfl.rr.com>
lucky macy wrote:
>--> RV-List message posted by: "lucky macy" <luckymacy@hotmail.com>
>
>yeah, Bob's in there for sure.
>
>I forgot about 'Daisy' - so I don't miss that. What happened there or
>should we just not bother?
>
>Another fella who dropped off but was pretty useful while building was ex
>A&P and fiberglass expert Rick Caldwell from Melbourne Florida. If you get
>a chance to see his RV6 homemade plenum don't pass it up.
>
Rick is live and well, still at Melbourne (MLB). He's added a 'One
Design' (class-type akro monoplane) to his stable and still flies his RV
a lot.
Linn
Do not archive
>
>Also, as a datapoint, I've flown with him a couple of times and have to tell
>you he regularly passes by more powerful engines 360 powered RVs with his
>o-320 RV6. He's convinced me that a light weight RV with less power but CS
>prop is probably better acro, better all around handling than something like
>an angle valved 200 hp 360 (which is what I've got - oh well).
>
>do not archive
>
>lucky
>----Original Message Follows----
>From: "rv6tc" <rv6tc@myawai.com>
>To: <rv-list@matronics.com>
>Subject: Re: RV-List: RV list history
>Date: Tue, 27 Apr 2004 22:41:16 -0600
>
>--> RV-List message posted by: "rv6tc" <rv6tc@myawai.com>
>
>In my opinion, near the top would have to be Aero Electric Bob. The man
>always found time to answer even the stupidest of questions (trust me) and
>would go so far as to look over your entire schematic, if you would send it
>to him.
>
>Then of course, you must credit the guy that wanted everyone to be his
>"daisy". I miss him.
>
>
>Howard "daisy".
>Denver
>
>----- Original Message -----
> > ***
> > *** We should start a "RV List Hall of Fame" nomination cycle.
> > *** Folks like Scott
> > *** McDaniels from Van's, Kyle Boatright (SP?), Alexander
> > *** (RIP), etc.
>
>
>
>
Message 5
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| Subject: | Lightspeed Timing Question |
--> RV-List message posted by: "Doug Rozendaal" <dougr@petroblend.com>
All,
I have a Lightspeed Plasma I. Recently, I flew Mark F's F-1 Rocket and
found he had no drop at all on the electronic side of his ignition. I have
always had a drop, but recently my airplane has not been running as smoothly
as it did. I changed the plugs, that helped some. I put on new wires, that
helped too, but I still have a 70 -80 rpm drop on both the mag and the
Lightspeed.
I read the book, got a timing light and checked the timing. The Mag is dead
on at 25 deg BTDC. At 800 Rpm the Lightspeed is 35 deg.BTDC with the M.P.
line connected and 15 deg with it unhooked.
The way I read the manual (and they are not that great) is should be either
25 & 42 deg. BDTC (parallel valve IO-320) ( I did not build this airplane
and the builder says it was always dead on,) My sense is this is a chronic
deterioration, but I have not data to support that. Klaus says if it was
ever right, it will always be right, or it wont work at all. Great theory,
but I have been in the real world too long....
The airplane does not idle any better ont electronic than on the mag. It
idles fine on "both." That is not right and something is amiss. I have
checked out everything that I can think of outside of the unit? I have
talked to the builder, talked to Klause twice, dug in the archives and I am
at a loss. Anyone else have any ideas?
Tailwinds,
Doug Rozendaal
Message 6
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--> RV-List message posted by: "Noel & Yoshie Simmons" <noel@blueskyaviation.net>
TruTrak Digiflight IIVSG $4995.00 coupled up to the CNX-80 will do every
thing you need. By itself; wing level, heading mode (internal Mag sensor),
Altitude hold along with climb/descend @ airspeed/Feet. Has minim airspeed
and max airspeed. CNX-80 has the vertical steering, GPS steering, VOR, LOC,
Glide slope and all the other great things I like. Actually the CNX-80 is
my favorite GPS/COM easy to use.
Noel
Message 7
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| Subject: | Lightspeed Timing Question |
--> RV-List message posted by: "Mike Robertson" <mrobert569@hotmail.com>
Doug,
I know you said you have the Plasma I but do you have the hall Effects
sensor located in the magneto hole or do you have the flywheel sensors. I
worked with a couple of different problems with the LSSE and with one
exception they were always the sensor that caused any problems. The one
exception was that Klaus sent the wrong main box for the sensor installed.
Anyways, check the sensors. The hall effects sensor has to be timedand they
have been known to slip a little on occassion. If it is the flywheel sensor
then you may want to check the gap between the pins in the flywheel and the
pickups.
Just a few ideas.
Mike Robertson
>From: "Doug Rozendaal" <dougr@petroblend.com>
>Reply-To: rv-list@matronics.com
>To: <rv-list@matronics.com>
>Subject: RV-List: Lightspeed Timing Question
>Date: Wed, 28 Apr 2004 08:24:57 -0500
>
>--> RV-List message posted by: "Doug Rozendaal" <dougr@petroblend.com>
>
>All,
>
>I have a Lightspeed Plasma I. Recently, I flew Mark F's F-1 Rocket and
>found he had no drop at all on the electronic side of his ignition. I have
>always had a drop, but recently my airplane has not been running as
>smoothly
>as it did. I changed the plugs, that helped some. I put on new wires,
>that
>helped too, but I still have a 70 -80 rpm drop on both the mag and the
>Lightspeed.
>
>I read the book, got a timing light and checked the timing. The Mag is
>dead
>on at 25 deg BTDC. At 800 Rpm the Lightspeed is 35 deg.BTDC with the M.P.
>line connected and 15 deg with it unhooked.
>
>The way I read the manual (and they are not that great) is should be either
>25 & 42 deg. BDTC (parallel valve IO-320) ( I did not build this airplane
>and the builder says it was always dead on,) My sense is this is a chronic
>deterioration, but I have not data to support that. Klaus says if it was
>ever right, it will always be right, or it wont work at all. Great theory,
>but I have been in the real world too long....
>
>The airplane does not idle any better ont electronic than on the mag. It
>idles fine on "both." That is not right and something is amiss. I have
>checked out everything that I can think of outside of the unit? I have
>talked to the builder, talked to Klause twice, dug in the archives and I am
>at a loss. Anyone else have any ideas?
>
>Tailwinds,
>Doug Rozendaal
>
>
Lose those love handles! MSN Fitness shows you two moves to slim your waist.
http://fitness.msn.com/articles/feeds/article.aspx?dept=exercise&article=et_pv_030104_lovehandles
Message 8
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| Subject: | Lightspeed Timing Question |
--> RV-List message posted by: Bob Japundza <bjapundza@yahoo.com>
Hi Doug,
In the past I have had an experience like yours and thought it was my Jeff Rose
system, then I thought it was the mag, it turned out to be a tiny induction leak
at the cylinder base gasket on #3. New plugs did seem to help temporarily,
but that was probably due to the perception of it running better since the plugs
were nice and new and clean. Replacing the seals is not a hard job and the
gaskets won't cost you much, its worth some piece of mind to help narrow down
your problem if you just go ahead and replace them. I rub the gaskets with
titeseal and thoroughly clean the flanges with a scotchbrite pad. A while before
that I had similar weirdness on runup and it turned out to be a new key switch
purchased from AC$ that some conact cleaner took care of. Look beyond the
ignition unit, its probably something else.
Regards,
Bob Japundza
RV6 550+ hours
F1 qb under const.
---------------------------------
Message 9
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| Subject: | Re: RV list history |
--> RV-List message posted by: Fiveonepw@aol.com
Besides those already mentioned, I vote for Horton, Rozendaal, Jim Sears and
the ever-delightful Jerry Springer! Not to mention Mr. Draw-lee hisself who
makes it all uncommercially possible...
Mark- Listing since '98 with a flying RV as a result & do not archive!
Message 10
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| Subject: | Re: Lightspeed Timing Question |
--> RV-List message posted by: "Bob U." <rv3@comcast.net>
Doug Rozendaal wrote:
>--> RV-List message posted by: "Doug Rozendaal" <dougr@petroblend.com>
>
>All,
>
>I have a Lightspeed Plasma I. Recently, I flew Mark F's F-1 Rocket and
>found he had no drop at all on the electronic side of his ignition. I have
>always had a drop, but recently my airplane has not been running as smoothly
>as it did. I changed the plugs, that helped some. I put on new wires, that
>helped too, but I still have a 70 -80 rpm drop on both the mag and the
>Lightspeed.
>
Dunno about Lightspeeds, but on an all mag system, if you get no RPM drop...
check for broken P-leads.
Bob
Message 11
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| Subject: | Re: Lightspeed Timing Question |
--> RV-List message posted by: "Bob U." <rv3@comcast.net>
Doug Rozendaal wrote:
> --> RV-List message posted by: "Doug Rozendaal" <dougr@petroblend.com>
>
> All,
>
> I have a Lightspeed Plasma I. Recently, I flew Mark F's F-1 Rocket and
> found he had no drop at all on the electronic side of his ignition. I
> have
> always had a drop, but recently my airplane has not been running as
> smoothly
> as it did. I changed the plugs, that helped some. I put on new
> wires, that
> helped too, but I still have a 70 -80 rpm drop on both the mag and the
> Lightspeed.
>
Dunno about Lightspeeds, but on an all mag system, if you get no RPM
drop...
check for broken P-leads... or key switch problems.
Bob
>
>
Message 12
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| Subject: | Re: RV list history/Bunny Guide |
--> RV-List message posted by: "David Carter" <dcarter@datarecall.net>
Frank, my last contribution (and first) to the Bunny's Guide was my builders
notes on the empennage (1997-98). I appreciated your hosting of that
contribution. And, it got me started on learning about web documents.
- As the years have gone by, more people have created their own web
sites and post their stuff directly on their own site - that is probably a
significant reason for less contributions or archiving to the Bunny's List.
- Plus, many will post to the list, but not take time to refine their
problems and solutions and innovations for formal submission to a web site,
driven by the "keep on building if you are ever going to finish" rule.
- Matt's development of the Archives and Search engine also reduce the
perceived need to collect stuff into one web site. However, there is a real
jumble of RV-8, RV-6 slider, & RV-6 tip-up (and later models) that you have
to wade through to get what is really relevant to one's own plane and
personally desired outcome.
- I think possibly the greatest impediment to "web site contributions"
(whether to one's own site or someone else's like the Bunny's Guide) is
simply the lack of knowledge and software and experience of how to format
text and photos and sketches for posting. Just being able to write a Word
document or e-mail isn't enough - someone has to do the detail work. A lot
of people on the lists helped me learn & sort out some of the different
software for displaying things as either .dwg or .pdf (PDF Factory is a
great tool to format spreadsheets - electrical info - & CAD files for
people who don't have CAD software or, mainly don't have the time and help
to learn it well enough to use adequately). IRFAN is free and has all the
features one needs to size photos and scanned stuff - great to replace the
cheap, inadequate .jpg pgm that ships with Windows and frustrates the user.
- In the end, though, I still feel, like you, that there should be a
"consolidated" thing like the Bunny's Guide.
Yesterday, I searched the RV-list archives almost all day and copied about
30 e-mails on RV-6 tip-up canopy and instrument panel (removable) info.
Today, I start a split screen operation to create a substitute for the Van's
Manual (like I did for each part of the empennage) - document on one side,
screen to show an archived e-mail in other, then cut and paste/edit out of
e-mail and close it and bring up the next.
- It will incorporate my choices for canopy removal actuator system
(maintenance only, not in flt jett), canopy side skin overlap below
longerons, avoiding snags in front when raise, instrument panel (avoid
interference with other structure in front of it/"behind" deeper instrument
& radios, removable, notches and come up with a cad drawing), water/rain
protection above radio stack, rain sealing in front, guide block for
aligning of canopy when lowering into position, positioning of gas struts
with inst panel on to avoid interference, etc.
I'll send my documents & photos to you for the Bunny's Guide and post to my
own site, also.
Thanks, Frank, for you help and encouragement over the years.
David Carter
----- Original Message -----
From: "Frank van der Hulst (Staff WG)" <F.vanderHulst@ucol.ac.nz>
Subject: RE: RV-List: RV list history/Bunny Guide
> --> RV-List message posted by: "Frank van der Hulst (Staff WG)"
<F.vanderHulst@ucol.ac.nz>
>
> > Anyway, who was the original Bunny Guide RV6 writer and whatever
> became of
> > him and his project?
>
> Hey, I resemble that! :-)
>
> Yes, twas moi that appointed himself the constructor of "A Bunny's Guide
> to RV Building".
>
> Whatever became of me? Well, I disappeared from the RV-list for a couple
> of years whilst I did my MTech thesis, when there weren't enough hours
> in the day to read RV-list articles and do work and keep a family
> together and do research. The degree is thankfully now complete. So I'm
> back.
>
> My project? Well, during those couple of years it languished under the
> grandstand at the local racecourse. Actually, its still languishing,
> although I did do a few hours on it a couple of monthes ago.
> Non-progress is mainly because I've lost the motivation to work on it,
> due partly to financial circumstances. Telling myself "Work on it now.
> Then, when you can afford an engine you'll be able to finish it really
> quickly" just doesn't seem to work. Sadly, my maths are good enough to
> figure out the odds of winning the lottery in the next 10 years. But I
> still buy lottery tickets now and then.
<snip>
Message 13
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| Subject: | Strapping down batteries |
--> RV-List message posted by: Mickey Coggins <mick-matronics@rv8.ch>
Hi,
Are there any clever ways to fix batteries to a
battery "box"? My battery box is not exactly
a box, but a flat piece of .125" with some angle
around the edges of the batteries to keep them
from moving forward and back or side to side.
My fallback is the standard Van's method of using
a U channel with a pair of long bolts, but I'm
curious if there are better ways. The batteries
will be behind my baggage compartment, and in
the event of an off field landing, I don't want
them flying forward.
Thanks,
Mickey
--
Mickey Coggins
http://www.rv8.ch/
#82007 QB Wings/Fuselage
Message 14
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--> RV-List message posted by: "Condrey, Bob (US SSA)" <bob.condrey@baesystems.com>
Noel,
I was under the impression that the IIVSG couldn't shoot an ILS (only
GPS with v/guidance). My understanding comes from reviewing the product
capability matrix
(http://www.trutrakflightsystems.com/ttfsproducts.html) and from a short
discussion with the TruTrak folks although I may not have asked the
right questions. Isn't it the Nav Modes feature that allows a LOC or
ILS approach? I've been thinking about a DFC 200 (or maybe 250) but
would really like to have vertical GPS guidance ala the IIVSG. My phone
call implied that this would probably be added to the DFC series in the
future. If the IIVSG can really do an ILS approach, what does the "Nav
Modes" on the DFC series feature provide? Since they both use the same
servos I've ordered them for my RV-10 but held off on the actual
autopilot.
Bob
-----Original Message-----
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of Noel & Yoshie
Simmons
Subject: RE: RV-List: autopilots
--> RV-List message posted by: "Noel & Yoshie Simmons"
--> <noel@blueskyaviation.net>
TruTrak Digiflight IIVSG $4995.00 coupled up to the CNX-80 will do
every thing you need. By itself; wing level, heading mode (internal Mag
sensor), Altitude hold along with climb/descend @ airspeed/Feet. Has
minim airspeed and max airspeed. CNX-80 has the vertical steering, GPS
steering, VOR, LOC, Glide slope and all the other great things I like.
Actually the CNX-80 is my favorite GPS/COM easy to use.
Noel
==
direct advertising on the Matronics Forums.
==
==
==
Message 15
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--> RV-List message posted by: Matt Jurotich <mjurotich@hst.nasa.gov>
The BlueMountainAvionics EFIS lite with two axis autopilot is supposed to
fly the localizer and glide slope supplied by a Nav radio.
I sure hope so since that is what is going into my panel upgrade.
Matthew M. Jurotich
NASA/Goddard Space Flight Center
Swales contractor to the
JWST ISIM Systems Engineer
m/c : 443
e-mail mail to: <mjurotich@hst.nasa.gov>
phone : 301-286-5919
fax : 301-286-7021
JWST URL: <http://ngst1.gsfc.nasa.gov
Message 16
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| Subject: | Re: RV list history/Bunny Guide |
--> RV-List message posted by: Charlie Kuss <chaskuss@bellsouth.net>
I'll second Doug's nomination of Austin! He's the "Secretary of Inspiration" for
the RV List.
Charlie Kuss
>--> RV-List message posted by: "Doug Rozendaal" <dougr@petroblend.com>
>
>I'll not be a party to any trivia contest because I can't remember what I
>had for breakfast. but I have a nomination to the RV-listers hall of fame,
>that is easy, I nominate Austin.
>
>As a purveyor of prose, his wonderful words have graced this venue for many
>years, and brought laughs and tears to those who linger here.
>
>Tailwinds,
>Doug Rozendaal
>RV-lister since, hmmm, dunno, before my first RV, before spam, probably '96
>or so. Slow learner it would seem....
>
>----- Original Message -----
>From: <RV8ter@aol.com>
>To: <rv-list@matronics.com>
>Subject: RV-List: RV list history/Bunny Guide
>
>
>> --> RV-List message posted by: RV8ter@aol.com
>>
>> I was just thinking, we could start a RV list trivia game for folks who've
>> been on the list for 6 or more years. This thing's had a unique and
>interesting
>> life of it's own.
>>
>> We should start a "RV List Hall of Fame" nomination cycle. Folks like
>Scott
>> McDaniels from Van's, Kyle Boatright (SP?), Alexander (RIP), etc. Maybe
>next
>> winter's RV List project.
>>
>> Anyway, who was the original Bunny Guide RV6 writer and whatever became of
>> him and his project?
>>
>> Inquiring minds want to know and the new folks are probably wondering what
>> the heck I'm talking about and is it XXX rated?
>>
>> definately do not archive,
>> lucky
>>
>>
>
>
Message 17
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--> RV-List message posted by: "Ross Mickey" <rmickey@ix.netcom.com>
I have the TruTrak DFC 250,
http://www.trutrakflightsystems.com/ttfsproducts.html#DFC250 . It does
all you asked about and more. It works as advertised and I love it. I
am just about finished with my recertification of my instrument ticket
(after 15 years) in my recently completed RV6A.
Here is a sequence of use using GPS navigation and an ILS approach.
On the ground, set cruising altitude in autopilot (AP)
After takeoff, push a button on my Infinity stick to engage Control
Wheel Steering (CWS). The AP will keep flying in the current
configuration i.e. rate of climb and heading.
Use CWS mode to select headings given by IFR Controllers. (select the
track needed to fly the appropriate heading)
At attitude, AP levels off.
Trim.
When established on the GPS Flight Path, engage AP GPSS mode.
AP will fly the GPS flight plan, select altitudes as necessary.
When nearing the ILS, select AP LOC NAV mode and enter inbound course.
Select the ILS intercept angle on the AP.
The AP will intercept the inbound course and altitude will be coupled
with the glide slope keeping you centered in both axis.
At DA, push the Vertical Speed Up button to select the rate of climb for
missed approach and the AP will automatically switch to BC mode and
track the Back Course.
For GPS Approaches, its even easier. Whatever is in the GPS flight plan
will be flown by the AP. Just select the altitudes you want on the
different legs.
The user manual can be found in the documents section of the TruTrak
website.
Ross Mickey
N9PT
-----Original Message-----
From: pearlman
Subject: RV-List: autopilots
I am looking for an autopilot other than an STEC which has ILS approach
capability, altitude hold, nav, etc. Any suggestions based on
experience?
jp
Message 18
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| Subject: | Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: "russell parr" <rrparr12@hotmail.com>
RVers: There is a way to get new Bose X headsets for $796 each, no shipping
fee, no tax if shipped to a no sales tax state. Here's how: You have to
buy a batch of four, the fifth one is free. The price is $3980 which is 4 X
$995, with the fifth headset thrown in. The headset are $796 each because
$3980/5 = $796 each. They come with a 5 year warranty. They have to be
ordered through Mark Claprood or Jeff Taylor (two of the Bose reps.) during
an aviation trade show or a big fly-in. Bose requires that the set of 4 be
paid by one person with a credit card. The next opportunity to get this
deal is a trade show from May 18-20. You would need to confirm these dates
with one of the Bose guys. Oshkosh in August would also work. I made my
order during Sun & Fun two weeks ago. I've filled my order of 5 already.
You would need to contact Mark Claprood at 508-766-4655/508-904-4659 or
Jeff Taylor at 508-766-1083/800-766-8452. They only ship 4 of the five
initially. They ship the 5th one (the "free" one) 30 days later to give the
4 buyers a return time period. You can request to shorten the 30 days if
all the buyers are sure they aren't returning their headsets. I highly
recommend the portable type with 2AA batteries. The hardwired type still
has a volume control just like the portable type so you really aren't saving
much awkward weight plus you can use the battery kind in different
airplanes. My RV-4 is incredibly loud inside and the Bose is great. I
don't work for Bose. This E-mail is FYI.
Russ Parr rrparr12@hotmail.com
>From: "Paul Besing" <azpilot@extremezone.com>
>Reply-To: rv-list@matronics.com
>To: <rv-list@matronics.com>
>Subject: Re: RV-List: Noise Canceling Headsets - Was Stop the Noise
>Date: Tue, 27 Apr 2004 11:50:34 -0500
>
>--> RV-List message posted by: "Paul Besing" <azpilot@extremezone.com>
>
>They may be $1000, but Bose headsets will be the last pair you ever own.
>Worth every penny.
>
>Paul Besing
>RV-6A Sold
>RV-10 Soon
>http://www.lacodeworks.com/besing
>Kitlog Pro Builder's Log Software
>http://www.kitlog.com
>
>----- Original Message -----
>From: "Leland" <Federigo@pacbell.net>
>To: <rv-list@matronics.com>
>Subject: Re: RV-List: Noise Canceling Headsets - Was Stop the Noise
>
>
> > --> RV-List message posted by: Leland <Federigo@pacbell.net>
> >
> > If you are considering the DRE 6000, read the customer reviews at:
> > http://www.avshop.com/catalog/reviews.html?productid=3815&#comment5
> > The reviews are definitely mixed.
> > Leland in Pleasanton
> > Wiring up EGTs on an RV9A
> >
> > "For those of you about ready to purchase a headset for your RV, you
>might
> > consider the DRE 6000. It's one-third the cost of the Bose X and
>about a
> > year and a half ago, Aviation Consumer magazine did a comparison
>of
>about
> > six leading headsets and several of the testers liked the
>performance of the
> > DRE (comparative "bang for the buck") and felt like it was close
>to
>the
> > noise canceling properties to the Bose X. My partner and I each
>bought one.
> > I paid $275 plus shipping for mine about a year ago."
> >
> >
>
>
Message 19
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| Subject: | What size hole for step? |
--> RV-List message posted by: "Cammie Patch" <cammie@sunvalley.net>
I need to drill the hole in F-725 rib for the step (which I haven't ordered
yet). The plans say to drill it out with a 1 5/8" hole saw, but the prints
say to drill out to 1 1/2". I want to use a pie cutter to drill this hole,
what size should the finished diameter be?
Cammie
RV-7a
Message 20
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| Subject: | Lightspeed Timing Question |
--> RV-List message posted by: "Stewart, Michael (ISS Atlanta)" <mstewart@iss.net>
Doug,
I had a similar problem and it was the gap on the flywheel pickup in the
hall effect sensor. Claus said to remove the washer on the pickup and
reduce the gap to .030. I would try that.
Procedure:
Remove hall effect, take out cover screws, remove nut to flywheel
pickup, pull off pickup, remove washer, replace, measure gap as best you
can from the flush top surface, and give it a go.
Oh and Doug, I have not heard from you on the formation clinic in Macon
City Pre Osh. I have set the web page up for you. Just need your
feedback when you are able.
Mike Stewart
On the beach with my rv buddies on vacation Grand Turk. Phone systems
stinks, wireless work great. What has the world come to?
Do Not Archive
Doug Rozendaal wrote:
> --> RV-List message posted by: "Doug Rozendaal" <dougr@petroblend.com>
>
> All,
>
> I have a Lightspeed Plasma I. Recently, I flew Mark F's F-1 Rocket
and
> found he had no drop at all on the electronic side of his ignition. I
> have
> always had a drop, but recently my airplane has not been running as
> smoothly
> as it did. I changed the plugs, that helped some. I put on new
> wires, that
> helped too, but I still have a 70 -80 rpm drop on both the mag and the
> Lightspeed.
Message 21
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| Subject: | Re: The Lure of Flight |
--> RV-List message posted by: lm4@juno.com
I'll second the motion for Austin.
Below is a sample of his work.
Larry Mac Donald
do not archive
On Thu, 31 Aug 2000 15:09:15 -0700 "Austin" <6430@axion.net> writes:
> --> RV-List message posted by: "Austin" <6430@axion.net>
>
> Delete quickly in order not to be vexed by the surreal and
> fantastic...
> No worthy tech help is in the following.......only RV
> addiction.......my
> apologies.....
>
>
> If you are still here, I would ask of you.....
> "What the heck is flying all about anyway" ?
> ....It is about folks like you and me who feel a strong magnetic
> draw to
> challenge the elements , and physics I suppose, to leave the earth
> and view
> it from above and maneuver in the third dimension and feel the magic
> of
> playing in the sky and cloud, where mortals should not be.
> We like to be in an element of the unreal with a hint of danger
> and
> individualism all thrown in together to make a stew of adventure
> which we
> partake of because it takes a good dash of courage to commit to and
> also
> join a band of gamblers.....
> Go out to an airfield when the weather is frightful.
> Open the door or canopy, climb in and sit there and watch the rain
> flow
> uphill, see the wind sock tormented by the gail, and dream that you
> are in
> control of destiny and the winds, and that you can challenge both
> and
> win...and have the time of your life in the doing.
> In the everyday way of life, people we stroll past in the
> super
> market, know nothing of who we are and the adventure we seek out to
> go aloft
> and encounter strong winds and dark clouds and talk to the earth to
> say who
> we are and whence we are bound, but we have flown among nature's
> strongest
> demonstrations of might and come back home to set upon the ground
> and put
> our craft away , happy in the knowing that we did it again and with
> respect,
> will rise to meet it once again.....it surely reinforces us..tells
> us who we
> are ..and what we are about....
> I mention the supermarket because by happy circumstance, I round a
> corner
> and who do I meet but old Franz....my mundane day is transformed....
> Happy eyes greet each other and I speak the few words of German
> greeting
> that I know
> and Franz's face lights up and we are two flyers from different
> worlds and
> times who are melded into a here and now fraternity of flyers who
> care not,
> nor how, that our past differs.
> Franz is frail now, but the eyes and mind are sharp and happy
> and we
> soon launch into airplane talk and how we mastered this and
> that.....
> I was telling about the ecstasy of the FW 190, and its' beautiful
> virtues,
> and he countered with his love of the 109 and better yet, the
> 262..."our
> life insurance" he said !.....
> I told him that I was building hard, that I may get up there
> again
> after having sold my wonderful 6 to get the $$ to do what I had to
> do
> now....you know...engine, etc.. on and on...
> He sympathized with me and said , " I know how it is...I had to sell
> my
> beloved Messerschmidt"...".limited income you know "..
> I am no hero worshiper, but I would thrill for the day that I could
> take old
> Franz up in my RV and let him take us to the glory days, for just a
> little
> while....
> I saw that the deep scar in his forehead..(from the
> tailgunner's .50
> caliber) was more prominent than ever...he fingered it gently and
> laughed a
> soft laugh, and told me that it was just one of many reminders of
> what
> happened long ago to a tired flier.
> " I was shot down 14 times "....".10 by bombers..B17s..3 by
> flak..and
> once I shot myself down "
> Once I had been reposted to an area near Bavaria and was shot
> down
> above a cloud layer and when I bailed out and pulled the cord,...I
> found
> myself standing on the ground just a moment or two afterwards.....I
> forgot
> that we were in mountains and that the ground level was much higher
> than I
> thought it was...."
> I was picked up by a girl and her father and later she wanted
> to see
> where I hid my parachute...being silk and so....therefore, since we
> were
> obliged to report what happened to our equipment, we went into the
> woods
> together, and that is where I lost my parachute.....with a girl.....
> "Come to think of it, in the last year of combat, I never
> returned to
> base once without bullet holes in my craft " !....
> What can you say after a chance meeting like this one ?
> The quest for potatoes and milk doesn't seem so real and necessary
> after a
> talk like that....
> I hated to see the end of it, but old Franz had a hip replacement
> and was
> tired and wanted to go home....
> I will fly with Franz...that is for sure.....
> He flew with Marseilles in the desert and must also have been a
> virtuoso of
> the flying machine to last through to the end of it.
> We all have our values and dreams and aspirations, and enjoy
> the chance
> to be close to the things we admire and respect.....and some fliers
> certainly instill this respect...
> I am a year away from flight, and I remember just as if it were
> yesterday, how it was when I flew my 6 for the first time....by
> myself....
> My hand was tight on the stick, I pushed forward the "GO'' handle,
> opening
> the tap, and something pushed me in the back and I was dancing to
> stay on
> the black part, and we got light......very light...and sweeping
> upwards.....
> My God ! we are doing it ! we did this ! we are leaving the green
> behind
> and climbing into the blue !! ......she is running hard and bidding
> me catch
> up and we are soon out over the sea.....I think about back stick and
> just
> with an index finger, we are like the space shuttle, clawing upward
> to the
> cloud base......wow !!! .. we must come back a bit and see if mount
> and
> rider can resolve who is in control...!!!
> We soon begin to understand each other's steps and set off for
> the
> underside of the very dark and flat base of a solid cloud
> deck.......
> But rays of sunlight blast through here and there and give us a
> beacon to
> buoy us up and say that home is not far away and racing in the
> airway is
> still OK for now....
> I am overwhelmed by the quick and ready response to what I think I
> want to
> do through the stick....just edge her down and leave the throttle
> where she
> be, and cast a quick glance at the needle........My God ! Are we
> really at
> 210 ???....I can hear the wind scream at the canopy and set course
> for 010
> and we are in friendly airspace in a twinkling..
> Landing...I am alone and no one else is up....a wonderful wide and
> sweeping
> curve and we are on final, over the grass, and engine loafing, touch
> down
> and bounce and bounce again....and again...and roll out with veins
> popping......what a benediction !!!
> I am converted for ever !!!!!........
> Old Franz, however old...would feel the thrill of youth again, and
> remember
> the old days and how it was.....once he got behind the stick of an
> RV..
> Those of you flying already know all this.
> This is for those yet to come.....follow that beacon burning
> bright....you
> will love it !!
Message 22
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| Subject: | Re: AeroElectric-List: Capacitive fuel probe errors? |
--> RV-List message posted by: Jim Sears <sears@searnet.com>
> In sort, when using autogas in our plane we should, for our own safety and
> our engine's, test each batch of fuel for water/alcohol, octane rating,
and
> Reid vapor pressure. Supposedly the equipment needed for this testing is
> available from ACS at reasonable cost.
I'm not sure it's necessary to test each batch for the above. If one buys
gas from a high volume station, it's a good bet you'll never see water in
your gas. Let's face it. If a gas station starts selling gas with water in
it, they're in big trouble. The worst time for problems with vapor pressure
is when the temps outside start warming up from the winter months. Just
before the gas companies start selling summer blends, one can run into vapor
locking at fast turn arounds a bit easier. Alcohol is another matter. In
some larger cities, alcohol is used in the gas. I'd say California would be
a good candidate for this mix. I've tested fuel in my area and have never
had alcohol in the gas. I limit my gas purchases to BP, Marathon, and
Shell. If memory serves me, it's the gas sold under the chevron brands that
may most likely have alcohol in it. Don't quote me on that, though.
Anyway, it takes very little time to test a batch of fuel, if one wants to
do that with each fillup. The savings is worth the effort.
> In addition, each autogas purchase may have different brand additives and
> time-of-the-year/season related additives, different additives due to
state,
> EPA, and local regulations/fuel laws. There is none of these differences
in
> AVgas. Each batch of AVgas is identical regardless of where or time of
year
> it is purchased.
That's true. Don't forget the cost that one pays for that warm fuzzy
feeling! Around here, even at the elevated auto gas prices, avgas is about
$1 higher per gallon. I've been using auto gas since 1986 and have had no
failures due to the gas. For that matter, none of my fuel injected auto
engines have failed either! In my old Skyhawk, I do remember a time when
the float sank in the carby; but, so did the club plane's carby float the
same week! Mine used auto gas. They used 100LL.
> Vapor lock has been studied by the EAA. Here is 2001 reference:
> http://www.eaa.org/education/fuel/vaporlock.html
I don't fly above 10,000 feet. Most of my flights are no higher than 3500'.
The only time I experience vapor locking is when I do a quick turnaround.
When I was taking up a lot of Young Eagles, I'd just make sure I had some
100LL mixed in with the auto gas. Half and half is more than enough.
Actually, I think 25% 100LL may be almost enough. If you're flying with a
fuel injected engine, forget it. Those things do well to not vapor lock on
100LL! I honestly believe one can fly above 10K', if one blends in a
little 100LL. I've not tested that theory, yet.
> In addition some airplane parts may be altered in size due to autogas
> additives. Here are other EAA references for anyone having further
> interest:
> http://www.eaa.org/education/fuel/materials.html
> http://www.eaa.org/education/fuel/oxygenated.html
I've not seen any of that in my airplanes. I've flown a 1965 C172 500+
hours, a 1977 Grumman-American Cheetah 900+ hours, and the RV-6A 300+ hours
with it. I have done this over a period that started in 1986.
> And if we are interested in considering a mix of AVgas with autogas,
please
> read this article by EAA:
> http://www.eaa.org/education/fuel/fuel/mix.html
The two will mix just fine. I usually add some 100LL to my airplane's diet
on cross country trips where I can't be sure of the auto gas. I can always
tell. The engine runs rough at start up when I add the 100LL.
> And *finally* with a newly rebuilt engine, here is article by EAA on use
of
> autogas:
> http://www.eaa.org/education/fuel/overhaul.html
Yes, be sure to use 100LL during the break in period. That adds a nice
coating of lead to the top end parts during the break in. After that, it
doesn't take much 100LL to maintain that coating.
I'm not sure how the capacitance vs regular float type senders differ. I do
know that I don't put much faith in either. I check my fuel before I
takeoff and know about what my airplane uses per hour. If my gauges show
empty, I'm in trouble. That's how I set them up.
If one is worried about additives in the gas one buys, one can call the
manufacture, or maybe even the distributor, to find out what additives are
used. Some are just fine. Some are not. Alcohol is a not. I've not ready
the listed articles, lately, and can't be sure; but, I think MTBE may be one
that's added often and is just fine in our engines. Read the articles, to
be sure.
I just hate to hear anyone downplay auto gas usage, as you can tell. Maybe
Larry in Indiana really didn't mean to do that and was just giving some
warnings; but, I've had folks tell me I'm going to crash and burn because of
my auto gas usage. If the FAA says it's OK to use and are testing unleaded
fuels that may very well become what we use in aircraft regularly, I think I
can use auto gas with some confidence that I'll survive it. I think my
flying regularly with it since 1986 should prove out my point. 'Nough said.
Jim Sears in KY
RV-6A N198JS (Scooter, healthy on auto gas after four years of flying)
RV-7A #70317 (Will also run on auto gas, if I ever get it done.)
EAA Tech Counselor
Message 23
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| Subject: | Strapping down batteries |
--> RV-List message posted by: "Terry Watson" <terry@tcwatson.com>
I found some heavy duty 24" long plastic tie wraps for about $0.25 apiece at
Home Depot that are just the right length to strap down my PC680. Of course
you have to cut them to get them off, unless you find some of the removable
kind. I think they are plenty strong enough, but if you are concerned, use
two (or more). Since they are plastic, you don't have to worry about them
shorting the terminals out.
Terry
> RV-List message posted by: Mickey Coggins <mick-matronics@rv8.ch>
Hi,
Are there any clever ways to fix batteries to a
battery "box"? My battery box is not exactly
a box, but a flat piece of .125" with some angle
around the edges of the batteries to keep them
from moving forward and back or side to side.
My fallback is the standard Van's method of using
a U channel with a pair of long bolts, but I'm
curious if there are better ways. The batteries
will be behind my baggage compartment, and in
the event of an off field landing, I don't want
them flying forward.
Thanks,
Mickey
Message 24
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| Subject: | Re:Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: Chris Carpenter <Carpenter@pilot.pprune.com>
Just my opinion. As a flight instructor I have the opportunity to do side-by-side
testing of various headsets with my students, who have a variety of headsets.
I only tested ANR sets
Immediate switching of headsets back and forth under same flight conditions (RPM,
Airspeed, Aircraft are constants).
I use Telex Stratus 50D.
Compared with: David Clark ANR, Lightspeed 3g (and lesser models of lightspeed),
Bose X (latest), Sennheizer ANR.
Conclusions: David Clark are toughest but also have the least ANR noise reduction,
but best Passive noise reduction and possibly the best warranty (I'm sure
up for debate).
Lightspeed have very good noise reduction, but are not as toughly built as the
others, best ANR for the buck but passive noise reduction is poor (due to thin
ear seals I believe).
Bose is most stylish, lightest, least bulky and ANR is very good, like Lightspeed's
ANR, but with better Passive noise reduction. Very noticeably not as good
as the ANR in Telex 50D.
Telex 50D very noticeably better ANR than all tested with only the David Clark
having better Passive noise reduction. Heavier, bulkier but still very comfortable
over long periods (10 hours a day in aircraft use) due to thick confor foam.
Warranty has be tested and works. (Telex promptly went beyond the call of
duty and replaced ear seals as well as telling I didn't need a receipt).
Sennheizer ANR seemed about the same as DC ANR but very much less well built. Passive
not tested. Overpriced and I have heard of warranty problems (huge time
delays among others).
If cost no object, Telex 50D is the best for hearing protection (and yes you can
still hear the engine)
Bose is best if you are tall and have no headroom (and want style).
Limitations: could not test Lightspeed, DC, or Bose against each other, only compared
to the constant, Telex.
Chris Carpenter
RV-8, Wings
Message 25
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| Subject: | Re: AeroElectric-List: Capacitive fuel probe errors? |
--> RV-List message posted by: Skylor Piper <skylor4@yahoo.com>
Tetraethyl lead does absolutely nothing to protect the
valves, other reduce the knock index of the fuel.
Beliefs that leaded fues somehow "lubricates" the top
end, valves, etc. are absolutely false and based on
many years of old wives tales! Here's a good article
on lead myths:
http://www.avweb.com/news/columns/182149-1.html
Skylor
--- Jim Sears <sears@searnet.com> wrote:
> --> RV-List message posted by: Jim Sears
> <sears@searnet.com>
> > And *finally* with a newly rebuilt engine, here is
> article by EAA on use
> of
> > autogas:
> > http://www.eaa.org/education/fuel/overhaul.html
>
> Yes, be sure to use 100LL during the break in
> period. That adds a nice
> coating of lead to the top end parts during the
> break in. After that, it
> doesn't take much 100LL to maintain that coating.
>
__________________________________
http://hotjobs.sweepstakes.yahoo.com/careermakeover
Message 26
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| Subject: | Re: Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: "Curt Reimer" <cgreimer@mb.sympatico.ca>
My local provider here in Manitoba is...Manitoba Telecom. I't also the
company I work for. Now that you mention it, reception wasn't very good at
8500, and I was in analog mode. I normally fly lower when cruising for fun
and the reception is generally good for a short call. A lot of our customers
are farmers and rural folks so we (putting my company hat on) tend to spend
a lot on providing good coverage in rural areas.
Curt
----- Original Message -----
From: "Larry Bowen" <Larry@bowenaero.com>
Subject: Re: RV-List: Noise Canceling Headsets - Was Stop the Noise
> --> RV-List message posted by: "Larry Bowen" <Larry@BowenAero.com>
>
> Which cell phone/provider do you have that functions at 8500'?
>
> -
> Larry Bowen
> Larry@BowenAero.com
> http://BowenAero.com
>
> Curt Reimer said:
> > --> RV-List message posted by: "Curt Reimer" <cgreimer@mb.sympatico.ca>
> >
> > My two cents:
> >
>
> [snip]
>
> > 8. The ability to plug a cell phone into the headset is another feature
> > I'd
> > never want to give up. It's great to be able to tell your wife from 8500
> > feet a hundred miles away that you'll be late for dinner and not to
> > initiate
> > any search for you.
> >
> > Frankly, Lightspeed sets the mark in terms of features and sound quality
> > for
> > me. As for comfort, that is a personal thing and you have to buy what
fits
> > your head the best. I'd say that the other manufacturers are going to
have
> > to reproduce the features of the 30-3Gs if they ever want to get my
> > business
> > again.
> >
> > Curt
>
>
Message 27
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| Subject: | Re: AeroElectric-List: Capacitive fuel probe errors? |
--> RV-List message posted by: "Frank van der Hulst (Staff WG)" <F.vanderHulst@ucol.ac.nz>
> I'm not sure how the capacitance vs regular float type senders differ.
Hugely!
See Jim Weir's Kitplanes article at
http://www.rst-engr.com/rst/articles/KP89SEP.pdf for details of how a
capacitance-type sender works.
Here's my summary.
A capacitance sender is immersed in the fuel, and measures 'capacitance'
(an electrical property) between two plates. The capacitance depends on
the 'dielectric constant' (DC) of the material between the plates. Air's
DC is 1, avgas is about 2. Basically, the amount of capacitance is
proportional to amount of fuel. The capacitance effect of auto fuel
varies depending on what's in the fuel, and in what proportions. For
example, alcohol has a DC of 25. If you have autogas which is 1/8
alcohol, a capacitance guage will read about two times as high as for
avgas (i.e. if calibrated for avgas, it will read full when the tank is
half-full). How large the error is depends on the proportion of alcohol,
and the DCs of the other components of the fuel. Note that some cars
have capacitance fuel senders in them
(http://www.datcon.com/products/4intelli.htm).
A float sender will also read about 2% high if it is in 1/8-alcohol
mogas rather than avgas, due to the difference in density of the fuels.
If the float is gas-filled, then air pressure will also change the
reading. But I'd guess that in the presence of the huge inaccuracies
inherent in a float sender installed in an RV tank (reads full if the
tank is over, what, 3/4 full, errors due to slope when on the ground or
to unbalanced flight), these difference wouldn't be significant to most
pilots.
Incidentally, a couple of benefits of capacitance senders are
1. They can be made any shape so that (a) they can go right from the
bottom of the tank to the top, and (b) the output is proportional to the
amount of fuel, not the height of the fuel
2. They can be used to detect water in the tank (because water's DC is
78, even a little water will give a 'vastly overfull' reading). In fact,
in any aircraft, there's no reason why a capacitance-based
water-detector couldn't be put into each tank.
> If one is worried about additives in the gas one buys, one can call
the manufacture,
> or maybe even the distributor, to find out what additives are used.
Some are just fine.
> Some are not. Alcohol is a not. I've not ready the listed articles,
lately, and can't
> be sure; but, I think MTBE may be one that's added often and is just
fine in our engines.
My impression is that the problem isn't so much the engine as the
plastic and rubber things that the fuel comes into contact with. Some
years ago, I was working for a petrol pump (as in gas station pump)
manufacturer when NZ switched to 'unleaded' (ie low-lead, with additives
to raise the octane rating) auto fuel. We had problems with gaskets
swelling and leaking and so on. Various problems also occurred in cars
with plastic fuel lines dissolving and gaskets swelling/disintegrating.
At that time, several planes running mogas had engine/fuel problems
caused by the same things, to the extent that CAA banned use of mogas in
aircraft until the issues had been sorted out.
Frank
Learn real skills for the real world - Apply online
at http://www.ucol.ac.nz or call 0800 GO UCOL
(0800 46 8265) or txt free 3388 for more information
and make a good move to UCOL Universal College of
Learning.
Enrol with a public institute and be certain of your
future
Message 28
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| Subject: | Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: "Nick N" <rvator@nicknaf.com>
Throwing in my $.02 here...
I went through "Headset Hell" a year ago when trying to decide what to
buy to replace my ANR DC's. I researched all of them and demoed every
brand I could get my hands on. I ended up going with Lightspeed
3G-30's. Bose: As everyone has stated... Wow! But I'm not spending
$1K on a headset, not yet anyway. DC's, they all squeezed my head,
and/or put pressure on my ears. Great for 1 - 1.5 hours, then becomes
painful. All others I tried I found either uncomfortable or did not
have the level of ANR I wanted. Lightspeed: I find I can wear them for
hours and am completely comfortable. The ANR is great, good battery
life (25-30 hours), and as stated by other the Sound quality has to be
heard to be believed. ***Quote*** I honestly don't know if the price
difference for the 30-3Gs over the 20-3Gs is really worth it for the
extra 2 or 3 dBs of noise canceling. ***End Quote*** YES it is! I
originally bought a pair of G3-20's, flew them for an hour. I promptly
exchanged them for my 30's. That last little bit of Noise Reduction
(for me anyway) was worth the $100.
FWIW, none of my flying has been done in RV's (yet) so your results may
vary. I spend the majority of my time in a 172RG, 182 (Skydiver
airplane, NO insulation...), Cherokee 140, Cherokee 180, and an Arrow
200. All of which, with the exception of the 182, I'm sure are quieter
than most RV's.
Now for my question. I've see several posts by different people that
claim the Lightspeed's are not as durable as other brands. Is this
based on appearance or have people actually had problems with them?
I've had mine for just over a year (260 Hours), do not baby them, but do
not abuse them either, and they look / function like the day they where
new!
Maybe I'm missing something?
Nick
-------------
LS 3G-30's <--- LOVE EM!
DC 10-30's w/ Headsets Inc Conversion
No RV, but I do have a new house!
-------------
-----Original Message-----
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com] On Behalf Of Curt Reimer
Subject: Re: RV-List: Noise Canceling Headsets - Was Stop the Noise
--> RV-List message posted by: "Curt Reimer" <cgreimer@mb.sympatico.ca>
My two cents:
Last summer at Osh I did the rounds looking for a new ANR headset. I
pretty
much tried them all, and went home with a pair of Lightspeed 30-3Gs.
They
aren't perfect, but every headset has strong & weak points. My main
criteria
was personal comfort. Turns out I must have large ears because every
other
headset I tried clamped part of my ear against my head, or pushed againt
my
ear in some way. My old DCs do this too. The lightspeed 3G series has a
lot
of room within the ear cup so the phones clamp against my head, not my
ears.
The ear cups are leather-covered confor or temper foam and
temperature-mold
to your head.
Other good & bad points about the 30-3Gs:
1. The ANR noise cancelling works great. One of the best in the business
according to the specs. I honestly don't know if the price difference
for
the 30-3Gs over the 20-3Gs is really worth it for the extra 2 or 3 dBs
of
noise cancelling. But I figured, what the hell...it was my Oshkosh gift
to
myself :-)
2. Passive noise cancelling is not so great. The ANR removes the low end
noise from the prop and engine, but the white noise from airflow around
the
canopy is still more than I would like. I think a lot of other
headphones
are better in this regard, including my old passive DCs.
3. The mike is pretty good, but not as good a David Clark.
4. I seem to get 20 hours+ out of a set of two AA batteries, which is
good
enough. When DC went to the 9v battery pack, I lost a lot of interest in
their ANR products. I prefer battery power for portability to other
aircraft, and AAs are dirt cheap if you buy the big strip packs.
5. While you just can't beat DC for quality and ruggedness, the
Lightspeeds
have held up fine so far. Mind you, I try not to step on them when I
climb
into the plane, or chuck them around. They don't look particularly
robust.
6. The sound quality of the 3Gs is awesome. This was the tipping point
for
me. These things sound as good as the studio monitor headphones that I
use
for my music recording work.
7. The ability to plug a CD or mp3 player directly into the headphones
is a
fabulous feature. My intercom isn't hi-fi and my wife isn't interested
in
listening to my music at my volume anyway, so I seldom play music
through
the intercom. This direct plug-in feature, along with the bass/treble
boost
options and the overall sound quality make these great headphones for
music-loving pilots.
8. The ability to plug a cell phone into the headset is another feature
I'd
never want to give up. It's great to be able to tell your wife from 8500
feet a hundred miles away that you'll be late for dinner and not to
initiate
any search for you.
Frankly, Lightspeed sets the mark in terms of features and sound quality
for
me. As for comfort, that is a personal thing and you have to buy what
fits
your head the best. I'd say that the other manufacturers are going to
have
to reproduce the features of the 30-3Gs if they ever want to get my
business
again.
Curt
==
==
==
==
Message 29
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| Subject: | RV list history/Bunny Guide |
--> RV-List message posted by: "Frank van der Hulst (Staff WG)" <F.vanderHulst@ucol.ac.nz>
David,
Thanks for the heads-up regarding the 'lack of knowledge' difficulties
in adding to the Guide. I guess I assume that, since I've been doing it
for years, it must by now be easy for everyone!
Frank
Do not archive
Learn real skills for the real world - Apply online
at http://www.ucol.ac.nz or call 0800 GO UCOL
(0800 46 8265) or txt free 3388 for more information
and make a good move to UCOL Universal College of
Learning.
Enrol with a public institute and be certain of your
future
Message 30
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| Subject: | Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: "Larry Bowen" <Larry@BowenAero.com>
I've never seen anything but "No Service" on my Nokia phone and AT&T
service, when I'm airborne. I figured it was done programmatically when
I was seeing too many towers at once.
-
Larry Bowen
Larry@BowenAero.com
http://BowenAero.com
> -----Original Message-----
> From: Curt Reimer [mailto:cgreimer@mb.sympatico.ca]
> Sent: Wednesday, April 28, 2004 8:01 PM
> To: rv-list@matronics.com
> Subject: Re: RV-List: Noise Canceling Headsets - Was Stop the Noise
>
>
> --> RV-List message posted by: "Curt Reimer"
> <cgreimer@mb.sympatico.ca>
>
> My local provider here in Manitoba is...Manitoba Telecom. I't
> also the company I work for. Now that you mention it,
> reception wasn't very good at 8500, and I was in analog mode.
> I normally fly lower when cruising for fun and the reception
> is generally good for a short call. A lot of our customers
> are farmers and rural folks so we (putting my company hat on)
> tend to spend a lot on providing good coverage in rural areas.
>
> Curt
> ----- Original Message -----
> From: "Larry Bowen" <Larry@bowenaero.com>
> To: <rv-list@matronics.com>
> Subject: Re: RV-List: Noise Canceling Headsets - Was Stop the Noise
>
>
> > --> RV-List message posted by: "Larry Bowen" <Larry@BowenAero.com>
> >
> > Which cell phone/provider do you have that functions at 8500'?
> >
> > -
> > Larry Bowen
> > Larry@BowenAero.com
> > http://BowenAero.com
> >
> > Curt Reimer said:
> > > --> RV-List message posted by: "Curt Reimer"
> > > --> <cgreimer@mb.sympatico.ca>
> > >
> > > My two cents:
> > >
> >
> > [snip]
> >
> > > 8. The ability to plug a cell phone into the headset is another
> > > feature I'd never want to give up. It's great to be able to tell
> > > your wife from 8500 feet a hundred miles away that you'll be late
> > > for dinner and not to initiate
> > > any search for you.
> > >
> > > Frankly, Lightspeed sets the mark in terms of features and sound
> > > quality for me. As for comfort, that is a personal thing and you
> > > have to buy what
> fits
> > > your head the best. I'd say that the other manufacturers
> are going
> > > to
> have
> > > to reproduce the features of the 30-3Gs if they ever want
> to get my
> > > business again.
> > >
> > > Curt
Message 31
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| Subject: | Re: Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: Dj Merrill <deej@thayer.dartmouth.edu>
> Frankly, Lightspeed sets the mark in terms of features and sound quality
> for
> me. As for comfort, that is a personal thing and you have to buy what
> fits
> your head the best. I'd say that the other manufacturers are going to
I really loved the Lightspeed headset - unfortunately
the headband is so thick that I kept hitting it on the top
of the canopy. So I went with the Bose X due to the thinner
headband and of course the quality. None of the other headsets
I tried even came close to the LightSpeed or Bose for comfort
and noise reduction.
-Dj
Message 32
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| Subject: | Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: "Brian Kraut" <brian.kraut@engalt.com>
Unlike the old analog towers, the newer digital towers have high gain
antennas with very narrow beam widths. Their antenna beams are only a few
degrees wide so you are out of the beam at altitude.
Brian Kraut
Engineering Alternatives, Inc.
www.engalt.com
-----Original Message-----
From: owner-rv-list-server@matronics.com
[mailto:owner-rv-list-server@matronics.com]On Behalf Of Larry Bowen
Subject: RE: RV-List: Noise Canceling Headsets - Was Stop the Noise
--> RV-List message posted by: "Larry Bowen" <Larry@BowenAero.com>
I've never seen anything but "No Service" on my Nokia phone and AT&T
service, when I'm airborne. I figured it was done programmatically when
I was seeing too many towers at once.
-
Larry Bowen
Larry@BowenAero.com
http://BowenAero.com
> -----Original Message-----
> From: Curt Reimer [mailto:cgreimer@mb.sympatico.ca]
> Sent: Wednesday, April 28, 2004 8:01 PM
> To: rv-list@matronics.com
> Subject: Re: RV-List: Noise Canceling Headsets - Was Stop the Noise
>
>
> --> RV-List message posted by: "Curt Reimer"
> <cgreimer@mb.sympatico.ca>
>
> My local provider here in Manitoba is...Manitoba Telecom. I't
> also the company I work for. Now that you mention it,
> reception wasn't very good at 8500, and I was in analog mode.
> I normally fly lower when cruising for fun and the reception
> is generally good for a short call. A lot of our customers
> are farmers and rural folks so we (putting my company hat on)
> tend to spend a lot on providing good coverage in rural areas.
>
> Curt
> ----- Original Message -----
> From: "Larry Bowen" <Larry@bowenaero.com>
> To: <rv-list@matronics.com>
> Subject: Re: RV-List: Noise Canceling Headsets - Was Stop the Noise
>
>
> > --> RV-List message posted by: "Larry Bowen" <Larry@BowenAero.com>
> >
> > Which cell phone/provider do you have that functions at 8500'?
> >
> > -
> > Larry Bowen
> > Larry@BowenAero.com
> > http://BowenAero.com
> >
> > Curt Reimer said:
> > > --> RV-List message posted by: "Curt Reimer"
> > > --> <cgreimer@mb.sympatico.ca>
> > >
> > > My two cents:
> > >
> >
> > [snip]
> >
> > > 8. The ability to plug a cell phone into the headset is another
> > > feature I'd never want to give up. It's great to be able to tell
> > > your wife from 8500 feet a hundred miles away that you'll be late
> > > for dinner and not to initiate
> > > any search for you.
> > >
> > > Frankly, Lightspeed sets the mark in terms of features and sound
> > > quality for me. As for comfort, that is a personal thing and you
> > > have to buy what
> fits
> > > your head the best. I'd say that the other manufacturers
> are going
> > > to
> have
> > > to reproduce the features of the 30-3Gs if they ever want
> to get my
> > > business again.
> > >
> > > Curt
Message 33
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| Subject: | Re: RV list history |
--> RV-List message posted by: Jerry Springer <jsflyrv@earthlink.net>
Fiveonepw@aol.com wrote:
>--> RV-List message posted by: Fiveonepw@aol.com
>
>Besides those already mentioned, I vote for Horton, Rozendaal, Jim Sears and
>the ever-delightful Jerry Springer! Not to mention Mr. Draw-lee hisself who
>makes it all uncommercially possible...
>
>Mark- Listing since '98 with a flying RV as a result & do not archive!
>
>
>
>
Mark, thanks...I think.:-)
It would be interesting to see how many of the originals are still here
on the list. I think I joined up aound the end of 1994.
I cringe when I put my name in the search field and come up with over
1000 posts. I would hate to think what it would look
like without the do not archive.
Jerry
Message 34
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|
RV-List <rv-list-digest@matronics.com>
| Subject: | Larry Hackney email address? |
--> RV-List message posted by: Bobby Hester <bhester@hopkinsville.net>
Looking for an email address for Larry Hackney, builing an RV9A.
--
Surfing the Web from Hopkinsville, KY
Visit my web site at: http://www.geocities.com/hester-hoptown/RVSite/
RV7A Slowbuild wings-QB Fuse :-)
Message 35
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| Subject: | Re: RV list history |
--> RV-List message posted by: Fiveonepw@aol.com
In a message dated 04/28/2004 8:24:31 PM Central Standard Time,
jsflyrv@earthlink.net writes:
I cringe when I put my name in the search field and come up with over
1000 posts. I would hate to think what it would look
like without the do not archive.
>>>>>>>>>
Reminiscing? OHMYGAWD! You wanna gimme yer views on priming or tip v slide
now?
What a fam'ly! I cringe when I look at some of MY posts 8-)
Anyone notice B. Lloyd was back? Talk about a blast from the past- Where ya
been, Brian? And don't forget Persyk! He gets a vote too!
Mark & do not archive just in case..............(67 grin-filled hrs &
counting)
Message 36
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| Subject: | Re:Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: "Gordon and Marge" <gcomfo@tc3net.com>
--> RV-List message posted by: Chris Carpenter
--> <Carpenter@pilot.pprune.com>
Just my opinion. As a flight instructor I have the opportunity to do
side-by-side testing of various headsets with my students, who have a
variety of headsets. I only tested ANR sets Immediate switching of
headsets back and forth under same flight conditions (RPM, Airspeed,
Aircraft are constants). I use Telex Stratus 50D. Compared with: David
Clark ANR, Lightspeed 3g (and lesser models of lightspeed), Bose X
(latest), Sennheizer ANR.
Conclusions: David Clark are toughest but also have the least ANR noise
reduction, but best Passive noise reduction and possibly the best
warranty (I'm sure up for debate). Lightspeed have very good noise
reduction, but are not as toughly built as the others, best ANR for the
buck but passive noise reduction is poor (due to thin ear seals I
believe). Bose is most stylish, lightest, least bulky and ANR is very
good, like Lightspeed's ANR, but with better Passive noise reduction.
Very noticeably not as good as the ANR in Telex 50D. Telex 50D very
noticeably better ANR than all tested with only the David Clark having
better Passive noise reduction. Heavier, bulkier but still very
comfortable over long periods (10 hours a day in aircraft use) due to
thick confor foam. Warranty has be tested and works. (Telex promptly
went beyond the call of duty and replaced ear seals as well as telling I
didn't need a receipt). Sennheizer ANR seemed about the same as DC ANR
but very much less well built. Passive not tested. Overpriced and I have
heard of warranty problems (huge time delays among others). If cost no
object, Telex 50D is the best for hearing protection (and yes you can
still hear the engine) Bose is best if you are tall and have no headroom
(and want style).
Limitations: could not test Lightspeed, DC, or Bose against each other,
only compared to the constant, Telex. Chris Carpenter RV-8, Wings
Chris, et al: I would be interested in your take on the Sigtronics ANR
equipment. I have a set (2)and use them in my RV-4. I regard them as
very good but have no real basis for comparison, other than sampling
different systems at Oshkosh, etc. At my request Sigtronics provided a
ship's power adapter, complete with bayonet power connectors that fit in
place of the battery packs which I still possess. They are hot whenever
the electrical system is up and have no problem dealing with voltage
swings when starting the engine. The passive noise reduction seems to
be about the same as their non ANR sets. I have used them on long
flights and find them entirely satisfactory. Pity they are rather
ignored by the flying community.
Gordon Comfort
N363GC
Message 37
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| Subject: | Re: Noise Canceling Headsets - Was Stop the Noise |
--> RV-List message posted by: Vanremog@aol.com
In a message dated 4/28/2004 5:54:14 PM Pacific Daylight Time,
rvator@nicknaf.com writes:
I've see several posts by different people that
claim the Lightspeed's are not as durable as other brands. Is this
based on appearance or have people actually had problems with them?
I've had mine for just over a year (260 Hours), do not baby them, but do
not abuse them either, and they look / function like the day they where
new!
Maybe I'm missing something?
================================
Nick-
Yes, but you can look forward to returning them to Lightspeed Aviation for
intermittent cords, broken stirrups and sacked out headband springs. The good
thing though is that they will do all of these repairs for FREE because they
really stand behind their products. I still believe that my five year old 20Ks
(copilot's) and my two year old 25XLs (mine) are very good values.
GV (RV-6A N1GV flying 689 hrs)
Message 38
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| Subject: | Was Garmin GTX 327 |
--> RV-List message posted by: bruno <rv4@videotron.ca>
Hello Listers
As usual I got a lot of excellent reply to my questions.
My Txpr was wired by John Stark so I'm gonna have to look
at the connector closely to see exactly what John did. I told him the unit
will be powered thru an avionic master switch so I hope it is.
I will also go thru the installation manual and look at the
set up pages for any info.
Once again thanks to all who replied
Bruno
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