Today's Message Index:
----------------------
1. 04:42 AM - Re: [Fw: credit reporting info] HOAX ALERT!!! (LarryRobertHelming)
2. 05:25 AM - Flightcom 403 ()
3. 05:26 AM - EGT Gauge (Rino)
4. 05:48 AM - Re: AeroElectric-List Digest: 28 Msgs - 04/24/03 (irampil@notes.cc.sunysb.edu)
5. 06:05 AM - Re: EGT Gauge (Ageless Wings)
6. 06:22 AM - Re: Flightcom 403 (Benford2@aol.com)
7. 07:57 AM - Re: [Fw: credit reporting info] HOAX ALERT!!! (lm4@juno.com)
8. 10:02 AM - Feedback on Falcon Gauge Electric TC (John H. Wiegenstein)
9. 10:31 AM - Re: [Fw: credit reporting info] HOAX ALERT!!! (William Mills)
10. 10:43 AM - Re: Feedback on Falcon Gauge Electric TC (N823ms@aol.com)
11. 11:15 AM - Re: Feedback on Falcon Gauge Electric TC (ivorphillips)
12. 11:40 AM - Re: Feedback on Falcon Gauge Electric TC (Tom FRIEDLAND)
13. 12:13 PM - Re: [Fw: credit reporting info] HOAX ALERT!!! (BUCK AND GLORIA BUCHANAN)
14. 02:47 PM - Re: EGT Gauge (Robert L. Nuckolls, III)
15. 02:51 PM - Re: Feedback on Falcon Gauge Electric TC (James Freeman)
16. 04:20 PM - Re: Feedback on Falcon Gauge Electric TC (Benford2@aol.com)
17. 04:30 PM - Re: Shunt-parallelled alternators? (Shaun Simpkins)
18. 05:33 PM - Wig wag relay (Bob Kuc)
19. 06:11 PM - Re: Feedback on Falcon Gauge Electric TC (Bruce Gray)
20. 06:49 PM - Re: Falcon Electric TC (John H. Wiegenstein)
21. 07:49 PM - wiring question (Dave Ford)
22. 08:01 PM - Re: wiring question (John Loram)
23. 08:28 PM - Re: Wig wag relay (Robert L. Nuckolls, III)
Message 1
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| Subject: | Re: [Fwd: credit reporting info] HOAX ALERT!!! |
--> AeroElectric-List message posted by: "LarryRobertHelming" <lhelming@sigecom.net>
Well said James. Do Not Archive
Larry in Indiana
----- Original Message -----
From: "James E. Clark" <james@nextupventures.com>
Subject: RE: AeroElectric-List: [Fwd: credit reporting info] HOAX ALERT!!!
> --> AeroElectric-List message posted by: "James E. Clark"
<james@nextupventures.com>
>
> Because we are human an care maybe just a little about our RV brothers and
> sisters who may not be as smart or as informed as some seem to be.
>
> James
>
>
> > Why are we wasting our time on OT crap trying to protect the stupid from
> > themselves?
> >
> >
>
>
Message 2
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--> AeroElectric-List message posted by: <jbirgiolas@smiletoronto.com>
I am about to start my instrument panel and am new to the list. All instruments
have been purchased for the 701. Prior to installing I would appreciate comments
or experiences with the flightcom 403 intercom and in general UMA instruments.
One other slight problem. My aeroflash strobes are installed and wing
closed. I have a single 16 ga. positive run to the wing tip with ground at the
wing tip. I have followed the shielding discussion and its to late to rewire.
Can I do anything at this stage or live with it as is. Do you forsee much
interference? One last question. Can I wire my entire panel with 16 ga. wire?
Thanks in advance..John Birgiolas
Message 3
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--> AeroElectric-List message posted by: Rino <lacombr@nbnet.nb.ca>
Does anyone know what happens if I use regular copper wires to connect
my EGT probe to the gauge.
It is impossible to find the required length, proper EGT extension leads
for a pusher type engine.
I have a Sky Flight EGT Gauge that require a K type probe.
Rino
Glass Goose C-FZNW
13b turbo
Message 4
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| Subject: | Re: AeroElectric-List Digest: 28 Msgs - 04/24/03 |
04/26/2003 08:47:41 AM
--> AeroElectric-List message posted by: irampil@notes.cc.sunysb.edu
--> AeroElectric-List message posted by: "Jim Pack" <jpack@igs3.com>
It appears to me that you are trading one point of failure (hole in
the
firewall), for a different point of failure (electrical connection).
The
question becomes, which point of failure is more likely to fail &
which
potential failure can be compensated for? I think that I would
choose to
fabricate the tried and tested fire protection methods and not worry
about a
newly introduced connection to all of my firewall forward wiring.
- Jim
Design decisions - thats what makes homebuilding interesting! :-)
It seems from my poking around at GA vs. mil airframes, that firewall
connectors are the superior engineering design for a long list of reasons,
however,
the economic reality is that only the military, Airbus, Boeing and
Gulfstream, etc., can afford real K-class connectors, so we OBAM folks will
continue to use chopped up
towel racks. :-(
Ira N224xs
Message 5
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--> AeroElectric-List message posted by: "Ageless Wings" <harley@agelesswings.com>
Mornin', Rino...
Regular copper wire will alter the calibration and range of the sensor if it
is a thermocouple. Which I suspect it is because you mentioned that it is a
K type probe...there is a K thermocouple. The wires are two dissimilar
metals (in the case of the K, Chromal-Alumel). The accuracy of the
temperature sensing and range depends on these two specific metals and the
fact that they are different.
Not only should you use the same metal for the full length of the run, but
ALL connectors should also be the same metals. Anywhere that one of these
wires touches another type of metal, the calibration will change.
As far as finding the wire and connectors, they are available at just about
anyplace that sells temperature controls and sensors. A quick search on the
internet, using "k thermocouple wire and connectors" as the search term
produced over 3,000 hits. I saw rolls of wire offered up to 1000 feet
long...that should be long enough! <G>
On the other hand, an excellent source, with a good price, for all the
connectors, wire, etc that you will need is Omega. I've used them for
years.
You can find them online here: http://www.omega.com
Harley
>> -----Original Message-----
>> From: owner-aeroelectric-list-server@matronics.com
>> [mailto:owner-aeroelectric-list-server@matronics.com]On Behalf Of Rino
>> Sent: Saturday, April 26, 2003 8:27 AM
>> To: aeroelectric-list@matronics.com
>> Subject: AeroElectric-List: EGT Gauge
>>
>>
>> --> AeroElectric-List message posted by: Rino <lacombr@nbnet.nb.ca>
>>
>> Does anyone know what happens if I use regular copper wires to connect
>> my EGT probe to the gauge.
>> It is impossible to find the required length, proper EGT extension leads
>> for a pusher type engine.
>> I have a Sky Flight EGT Gauge that require a K type probe.
>>
>> Rino
>> Glass Goose C-FZNW
>> 13b turbo
>>
>>
>>
>>
>>
>>
>>
Message 6
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| Subject: | Re: Flightcom 403 |
--> AeroElectric-List message posted by: Benford2@aol.com
In a message dated 4/26/2003 6:25:53 AM Mountain Daylight Time,
jbirgiolas@smiletoronto.com writes:
>
> I am about to start my instrument panel and am new to the list. All
> instruments have been purchased for the 701. Prior to installing I would
> appreciate comments or experiences with the flightcom 403 intercom and in
> general UMA instruments. One other slight problem. My aeroflash strobes
> are installed and wing closed. I have a single 16 ga. positive run to the
> wing tip with ground at the wing tip. I have followed the shielding
> discussion and its to late to rewire. Can I do anything at this stage or
> live with it as is. Do you forsee much interference? One last question.
> Can I wire my entire panel with 16 ga. wire? Thanks in advance..John
> Birgiolas
>
>
If your powerpacks for your strobes are at each tip then there will be little
if any interference. I did run separate grounds for all devices in my plane
but I don't think using a chassis ground will give ya any problems. I ran as
much 16 ga wires also, but you will find that when you build your harnesses
20 - 22 ga stuff will work better for the connectors because there is very
little space in the plugs. Also, if you are using the MAC grips you will find
that there is no room to play with. The right side of my yoke has a PTT only
and that was not bad. The left side uses the 4 function + PTT, that sucker
will cause you to call Dr Jack Kevorkian several times when ya try to close
the top, and I was using 22 Ga stuff there. If they would have just made it
1/8" taller. !!!!!!!!
Ben Haas N801BH. Jackson Hole Wy.
Message 7
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| Subject: | Re: [Fwd: credit reporting info] HOAX ALERT!!! |
--> AeroElectric-List message posted by: lm4@juno.com
Denny,
How wonderfully chairatible of you.
Larry Mac Donald
Rochester N.Y.
do not archive
On Fri, 25 Apr 2003 13:56:28 -0400 "Dennis O'Connor"
<doconnor@chartermi.net> writes:
> --> AeroElectric-List message posted by: "Dennis O'Connor"
> <doconnor@chartermi.net>
>
> Those who are so stupid gullible that they believe a breathless
> announcement
> that comes as an email that you MUST do this or that to avoid some
> catastrophe, deserve exactly what they get...
> Why are we wasting our time on OT crap trying to protect the stupid
> from
> themselves?
>
> Denny
>
> ----- Original Message -----
> From: "Rob Housman" <RobH@hyperion-ef.com>
> To: <aeroelectric-list@matronics.com>
> Subject: RE: AeroElectric-List: [Fwd: credit reporting info] HOAX
> ALERT!!!
>
>
> > --> AeroElectric-List message posted by: "Rob Housman"
> <RobH@hyperion-ef.com>
> >
> > This is a HOAX.. For details go to
> http://police2.ucr.edu/hoax.html
> >
> >
> > Best regards,
> >
> > Rob Housman
> > Europa XS Tri-Gear A070
> > Airfarame complete
> > Irvine, CA
> >
> > -----Original Message-----
> > From: owner-aeroelectric-list-server@matronics.com
> > [mailto:owner-aeroelectric-list-server@matronics.com]On Behalf Of
> Dan&Patty
> > Krueger
> > To: Martha Beck; Adolf Wenning; aeroelectric-list@matronics.com;
> Al
> > Marretta; Ann & Grey Jewett
> > Subject: AeroElectric-List: [Fwd: credit reporting info]
> >
> > --> AeroElectric-List message posted by: Dan&Patty Krueger
> > <pndkrueg@infionline.net>
> >
> >
> > From: "Betty Enfinger" <bettyenfinger@cox.net>
> > To: "Mark Snyder" <marksnyder61@cox.net>,
> > "Larry Spikes" <l.spikes@att.net>,
> > "Francis Enfinger" <fenfinger@alaweb.com>,
> > "Mark at Home" < enfinger@tampabay.rr.com>,
> > "Lisa Jones" <lisajones@antelecom.net>,
> > "Vivian Faircloth" <vfaircloth@iname.com>,
> > "Susan Madden" <susanm@sscal.com>,
> > "Rosie Taylor" <jsamtaylor@insightbb.com>,
> > "Prentiss Frazier" <prentissntenny@aol.com>,
> > "Patty Krueger" <pndkrueg@infionline.net>,
> > "Pat Ready" <paradigm21@sprynet.com>,
> > "Nancy Gressler" <nag@mymailstation.com>,
> > "Marilyn at Work" <mmyers@banking.state.ar.us>,
> > "Linda Tillery" <ltillery@cox.net>,
> > "Jody Webb" <bowmantj@juno.com>,
> > "Joan Highsmith" <whighsmith1@earthlink.net>,
> > "Jill McMahon" <jmcmahon@adcodrywall.com>,
> > "Helen Gibson" <helenkagib@arc.net>,
> > "Gloria Dawson" <glodaw@juno.com>,
> > "Gary Wilson" <ggdwilson@aol.com>,
> > "Fred Schwenk" <fkschwenk@aol.com>,
> > "Carmen Jones" < carmen.jones@amsouth.com>,
> > "Barbara Paulin" <innerreach@juno.com>,
> > "Barbara Allison Hurlbutt" <bah5292642@aol.com>
> > Subject: credit reporting info
> > Date: Tue, 22 Apr 2003 18:26:21 -0500
> >
> >
> > To All,
> > Very important...Please read...
> >
> > Your Credit: Personal Information goes public Starting July 1st,
> 2003,
> > the four major credit bureaus in the US (Equifax, Experian, Trans
> Union,
> > etc.) will be allowed to release credit info, mailing addresses,
> phone
> > numbers, etc., to ANYONE who requests it. If you do not want to
> be
> included
> > in this release of your personal information, you can call
> 1-888-567-8688.
> > Once the message starts you will want option #2 (even though
> option #1
> > refers to this email, push #2) and then option #3.
> >
> > Be sure to listen closely, the first option is only for a two-year
> period.
> > Make sure you! wait until they prompt for the third option, which
> opts
> > you out FOREVER. You should receive their paperwork in the mail
> confirming
> > the "opting out" in less than one week after making the call.
> >
> > PASS THIS MESSAGE ON TO ALL IN YOUR ADDRESS BOOK, FRIENDS AND
> FAMILY.
> >
> > Here is the web site:
> http://www.pirg.org/consumer/credit/bureaus.htm
> >
> >
> > <META content"MSHTML 6.00.2800.1141" nameGENERATOR>
> >
> > To All,
> > Very important...Please read...
> >
> > Your Credit: Personal
> > Information goes public Starting July 1st, 2003,
> > the four major credit
> > bureaus in the US (Equifax, Experian, Trans Union,etc.) will be
> allowed to
> > release credit info, mailing addresses, phone numbers, etc., to
> ANYONE who
> > requests it. If you do not want to be included in this release of
> your
> > personal information, you can call 1-888-567-8688. Once the
> message starts
> > you will want option #2 (even though option #1 refers to this
> email, push
> > #2)
> > and then option #3.
> >
> > Be sure to listen closely, the first option is only for a two-year
> > period.
> > Make sure you! wait until they prompt for the third option, which
> > opts
> > you out FOREVER. You should receive their paperwork in the mail
> > confirmingthe "opting out" in less than one week after making the
> > call.
> >
> > PASS THIS MESSAGE ON TO ALL IN YOUR ADDRESS BOOK, FRIENDS AND
> > FAMILY.
> >
> > Here is the web site: <A
> >
>
href"http://www.pirg.org/consumer/credit/bureaus.htm">http://www.pirg.org
/co
> > nsumer/credit/bureaus.htm
> >
> >
>
>
>
>
> http://www.matronics.com/FAQ/AeroElectric-List.htm
> Digests:http://www.matronics.com/digest/aeroelectric-list
>
>
>
>
>
>
Message 8
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| Subject: | Feedback on Falcon Gauge Electric TC |
--> AeroElectric-List message posted by: "John H. Wiegenstein" <johnw@hellerwiegenstein.com>
Listers, I recently ordered one of the non-TSO'd electric turn coordinators
from Spruce, mfrd. by Falcon Gauge/Wultrad. In a bench test today there is
no response to 12V power; no sound, no movement, and the red power failure
flag remains visible. Polarity and connections all check out. I've emailed
Wultrad and am awaiting their response, but meantime I'm curious what
experience others have had with this or other products from this vendor.
Seems to me they would have bench tested these before shipping, but perhaps
that is one of the steps avoided to save $$$?
John H. Wiegenstein
Hansville, WA
RV-6 S/N 23961 - N727JW (reserved)
Message 9
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| Subject: | [Fwd: credit reporting info] HOAX ALERT!!! |
--> AeroElectric-List message posted by: William Mills <courierboy@earthlink.net>
When folks are new to the net they can fall for these (now) obvious
scams - I was new once.
Here's to the patient, tolerant viewpoint of brother James.
Bill
RANS Courier in progress
SF bay area Calif.
do not archive
>--> AeroElectric-List message posted by: "James E. Clark"
><james@nextupventures.com>
>
>Because we are human an care maybe just a little about our RV brothers and
>sisters who may not be as smart or as informed as some seem to be.
>
>James
>
>
>> Why are we wasting our time on OT crap trying to protect the stupid from
>> themselves?
>>
>>
>
>
Message 10
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| Subject: | Re: Feedback on Falcon Gauge Electric TC |
--> AeroElectric-List message posted by: N823ms@aol.com
Have not got my TC gauge yet, but as soon as I do I will give a report. I am
also considering there electric AI/DG as a backup to my Dynon EFIS D10.
Ed
N823MS
Lancair ES
Message 11
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| Subject: | Re: Feedback on Falcon Gauge Electric TC |
--> AeroElectric-List message posted by: "ivorphillips" <ivor@ivorphillips.flyer.co.uk>
hi john
In response to your message I removed my falcon electric TC from its box
and fired it up, It seems to work ok if a trifle noisy
terminal 1 is pos 12 v and terminal 2 neg to ground. the third terminal is
left unconnected,
I realise that you have probaly wired it up this way, but just checking,
regards
ivor phillips
europa xs
----- Original Message -----
From: "John H. Wiegenstein" <johnw@hellerwiegenstein.com>
Subject: AeroElectric-List: Feedback on Falcon Gauge Electric TC
> --> AeroElectric-List message posted by: "John H. Wiegenstein"
<johnw@hellerwiegenstein.com>
>
> Listers, I recently ordered one of the non-TSO'd electric turn
coordinators
> from Spruce, mfrd. by Falcon Gauge/Wultrad. In a bench test today there
is
> no response to 12V power; no sound, no movement, and the red power failure
> flag remains visible. Polarity and connections all check out. I've
emailed
> Wultrad and am awaiting their response, but meantime I'm curious what
> experience others have had with this or other products from this vendor.
> Seems to me they would have bench tested these before shipping, but
perhaps
> that is one of the steps avoided to save $$$?
>
> John H. Wiegenstein
> Hansville, WA
> RV-6 S/N 23961 - N727JW (reserved)
>
>
Message 12
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| Subject: | Feedback on Falcon Gauge Electric TC |
--> AeroElectric-List message posted by: "Tom FRIEDLAND" <beecho@neteze.com>
Hi John
I also have a Falcon TC and it looks like the wiring instructions are
incorrect. Mine was also silent until I put pos voltage to the pin on
the right when looking at the aft of the cannon plug and gnd to the
inferior pin. It then runs and the flag goes down.
Tom Friedland Atascadero, CA EuropaXS
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John
H. Wiegenstein
Subject: AeroElectric-List: Feedback on Falcon Gauge Electric TC
--> AeroElectric-List message posted by: "John H. Wiegenstein"
<johnw@hellerwiegenstein.com>
Listers, I recently ordered one of the non-TSO'd electric turn
coordinators
from Spruce, mfrd. by Falcon Gauge/Wultrad. In a bench test today
there is
no response to 12V power; no sound, no movement, and the red power
failure
flag remains visible. Polarity and connections all check out. I've
emailed
Wultrad and am awaiting their response, but meantime I'm curious what
experience others have had with this or other products from this vendor.
Seems to me they would have bench tested these before shipping, but
perhaps
that is one of the steps avoided to save $$$?
John H. Wiegenstein
Hansville, WA
RV-6 S/N 23961 - N727JW (reserved)
Message 13
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| Subject: | Re: [Fwd: credit reporting info] HOAX ALERT!!! |
--> AeroElectric-List message posted by: "BUCK AND GLORIA BUCHANAN" <glastar@3rivers.net>
On Fri, 25 Apr 2003 13:56:28 -0400 "Dennis O'Connor"
<doconnor@chartermi.net> writes:
> --> AeroElectric-List message posted by: "Dennis O'Connor"
> <doconnor@chartermi.net>
>
> Those who are so stupid gullible that they believe a breathless
> announcement
> that comes as an email that you MUST do this or that to avoid some
> catastrophe, deserve exactly what they get...
> Why are we wasting our time on OT crap trying to protect the stupid
> from
> themselves?
>
> Denny
>--> AeroElectric-List message posted by: lm4@juno.com
--> AeroElectric-List message posted by: "James E. Clark"
<james@nextupventures.com>
*Because we are human an care maybe just a little about our RV brothers and
sisters who may not be as smart or as informed as some seem to be.
James
*Well said James. Do Not Archive
Larry in Indiana
*Denny,
How wonderfully charitable of you.
Larry Mac Donald
Rochester N.Y.
do not archive
*Denny,
My aren't we very sophisticated, smart and I must say arrogant?! I hope you
don't live close to me because I don't want you polluting the Big Sky
country.
Buck Buchanan Valier, MT
Message 14
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--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 09:05 AM 4/26/2003 -0400, you wrote:
>--> AeroElectric-List message posted by: "Ageless Wings"
><harley@agelesswings.com>
>
>Mornin', Rino...
>
>Regular copper wire will alter the calibration and range of the sensor if it
>is a thermocouple. Which I suspect it is because you mentioned that it is a
>K type probe...there is a K thermocouple. The wires are two dissimilar
>metals (in the case of the K, Chromal-Alumel). The accuracy of the
>temperature sensing and range depends on these two specific metals and the
>fact that they are different.
>
>Not only should you use the same metal for the full length of the run, but
>ALL connectors should also be the same metals. Anywhere that one of these
>wires touches another type of metal, the calibration will change.
Actually, connectors can be dissimilar . . . consider that "new"
thermocouples are inserted in series opposing such that they
cancel each other out. For all but the most demanding precision,
you can run thermocouple wire through connectors like d-subs with
no ill effects. HOWEVER, I would do this only with machined pins
that get one-hell-of-a-grip on the unusually hard wire used for
thermocouples . . . open barrel, sheet metal pins are (in my
never humble opinion) suited to this task.
>As far as finding the wire and connectors, they are available at just about
>anyplace that sells temperature controls and sensors. A quick search on the
>internet, using "k thermocouple wire and connectors" as the search term
>produced over 3,000 hits. I saw rolls of wire offered up to 1000 feet
>long...that should be long enough! <G>
>
>On the other hand, an excellent source, with a good price, for all the
>connectors, wire, etc that you will need is Omega. I've used them for
>years.
>
>You can find them online here: http://www.omega.com
>
>Harley
Good answer Harley, thanks for chipping in . . .
There is an excerpt from the 'Connection that speaks to this
technology at http://www.aeroelectric.com/articles/excerpt.pdf
Bob . . .
Message 15
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| Subject: | Re: Feedback on Falcon Gauge Electric TC |
--> AeroElectric-List message posted by: James Freeman <flyeyes@bellsouth.net>
> Subject: Re: AeroElectric-List: Feedback on Falcon Gauge Electric TC
>
>
> On Saturday, April 26, 2003, at 11:59 AM, John H. Wiegenstein wrote:
>
>> I'm curious what
>> experience others have had with this or other products from this
>> vendor.
>>
>
>
> I installed one in our AirCam a couple of years ago. I initially had
> the same problem, but is somehow fixed itself and the unit has worked
> flawlessly since. I installed it without a switch (on any time the
> master is on) and we have about 110 hours on it now, which includes
> probably 400 engine starts( two engines, average 20-30 minute > flights).
>
> It is mechanically noisy before the engines are running but otherwise
> functions perfectly.
>
> Although others have reported noise problems with this unit, I don't
> hear any noise at all in spite of its location immediately above the
> UPS GPS/Comm, and near the intercom. It doesn't even affect the
> magnetic compass which sits a couple of inches above it.
>
> Actually the only operational difficulty we've seen is that the ball
> won't always stay centered perfectly in turns. I'm sure if I had a
> better gauge, this wouldn't be an issue ;-)
>
>
> James Freeman
>
> You can see the panel/TC at:
>
> http://homepage.mac.com/flyeyes/PhotoAlbum6.html
Message 16
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| Subject: | Re: Feedback on Falcon Gauge Electric TC |
--> AeroElectric-List message posted by: Benford2@aol.com
In a message dated 4/26/2003 11:06:08 AM Mountain Daylight Time,
johnw@hellerwiegenstein.com writes:
>
>
> Listers, I recently ordered one of the non-TSO'd electric turn coordinators
> from Spruce, mfrd. by Falcon Gauge/Wultrad. In a bench test today there
> is
> no response to 12V power; no sound, no movement, and the red power failure
> flag remains visible. Polarity and connections all check out. I've emailed
> Wultrad and am awaiting their response, but meantime I'm curious what
> experience others have had with this or other products from this vendor.
> Seems to me they would have bench tested these before shipping, but perhaps
> that is one of the steps avoided to save $$$?
>
> John H. Wiegenstein
> Hansville, WA
> RV-6 S/N 23961 - N727JW (reserved)
>
I just got mine last month. I have powered it up and it does spool up nicely
altho it is kinda noisy. When I get my radios turned on I will give you guys
a report on it. Some people recently have complained that it introduces noise
into the radios and if mine does too it will come out and I offered it to Bob
to do an autopsy on it and he will post the grizzly details on this list.
Ben Haas N801 BH Jackson Hole Wy.
Message 17
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| Subject: | Re: Shunt-parallelled alternators? |
--> AeroElectric-List message posted by: "Shaun Simpkins" <shauns@hevanet.com>
Thanks for filling me in on the perils of shunt-parallelling. I suspected it
might be an
archaic idea, like so many in the non-OBAM world.
> I belive Cirrus uses the SD-20 and the standby version of
> the regulator that goes with it. That system is described
> in page 17-12 of the 'Connection and illustrated Figure 17-8.
>
> I didn't include this option in the Z-drawings because
> I consider this system to be a Band-Aid that could
> be pasted into an existing system essentially
> carved in stone. B&C has a fist full of STC'd kits to
> put just such a patch on perhaps a dozen airplanes.
>
Bob, you're referring to the shunt-parallelled system as a "Band Aid",
aren't
you?
The Cirrus system is a 28V dual alternator, dual battery, main+essentials
bus design that appears to follow Aeroelectric philosophies closely.
It does NOT use a essentials bus alternate feed switch, but has two 2 diode
protected feed paths to the essentials bus and to isolate the main bus and
alternator from the essential bus and alternator, which regulates 0.75V
higher
than the main bus to ensure isolation. This theoretically means that the
pilot
doesn't have to do anything to reconfigure the system after a failure, other
that
shut off a dead alternator whenever it's convenient. Full annunication
tells the pilot
what went wrong.
This is what I meant by Cirrus' near-zero-pilot-intervention electrical
system design.
In fact, I don't think the Cirrus system can have an alternate feed switch,
since it uses contactors on both batteries, the alternator field enable
lines,
and the avionics busses ( both main and essential ) to keep heavy and or
noisy
currents out of panel switches.
I suppose this is a subtle disadvantage of the FAA's suggested practice for
fire(?)
protection Bob recently posted to the list; the ultra-low current mode
provided
by an essentials bus alternate feed switch isn't an option because it would
route
battery current directly through the panel.
Shaun
Message 18
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--> AeroElectric-List message posted by: "Bob Kuc" <bkuc1@tampabay.rr.com>
In the low cost wig- wag system using automative flasher article, there is
mention of a B&C SSF-1 relay or equal. What would be a comparative
automotive flasher that I could use?
Bob
Message 19
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| Subject: | Feedback on Falcon Gauge Electric TC |
--> AeroElectric-List message posted by: "Bruce Gray" <Bruce@glasair.org>
QC on a product made on mainland China - you gotta be kidding.
I had a friend who recently made a tour of some aviation related
manufacturing facilities over there. He spotted a Chinese engineering
group dissembling and reverse engineering the infamous Mini 500 single
seat helicopter. Gonna kill a lot of Chinese helo pilots with that death
trap.
Bruce
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of
Benford2@aol.com
Subject: Re: AeroElectric-List: Feedback on Falcon Gauge Electric TC
--> AeroElectric-List message posted by: Benford2@aol.com
In a message dated 4/26/2003 11:06:08 AM Mountain Daylight Time,
johnw@hellerwiegenstein.com writes:
>
>
> Listers, I recently ordered one of the non-TSO'd electric turn
coordinators
> from Spruce, mfrd. by Falcon Gauge/Wultrad. In a bench test today
there
> is
> no response to 12V power; no sound, no movement, and the red power
failure
> flag remains visible. Polarity and connections all check out. I've
emailed
> Wultrad and am awaiting their response, but meantime I'm curious what
> experience others have had with this or other products from this
vendor.
> Seems to me they would have bench tested these before shipping, but
perhaps
> that is one of the steps avoided to save $$$?
>
> John H. Wiegenstein
> Hansville, WA
> RV-6 S/N 23961 - N727JW (reserved)
>
I just got mine last month. I have powered it up and it does spool up
nicely
altho it is kinda noisy. When I get my radios turned on I will give you
guys
a report on it. Some people recently have complained that it introduces
noise
into the radios and if mine does too it will come out and I offered it
to Bob
to do an autopsy on it and he will post the grizzly details on this
list.
Ben Haas N801 BH Jackson Hole Wy.
Message 20
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| Subject: | Re: Falcon Electric TC |
--> AeroElectric-List message posted by: "John H. Wiegenstein" <johnw@hellerwiegenstein.com>
Tom, you were absolutely right. You stated:
I also have a Falcon TC and it looks like the wiring instructions are
incorrect. Mine was also silent until I put pos voltage to the pin on
the right when looking at the aft of the cannon plug and gnd to the
inferior pin. It then runs and the flag goes down.
I went out, tried this, and voila: power up, flag gone, and (as you said,
somewhat noisy) gyro coming to life. I was not ready to try the mix &
match connections game, but I'm glad you did. This poses the following
question, though: how can a manufacturer be so stupid that it cannot get a
simple + and - 12 V wiring diagram (two whole connections!) right in its
installation literature? I continue to just be amazed at some of the sorry
practice that passes for "aviation quality" work.... Now I can go un-solder
and rework the connection and get it right.
Thanks for your help - by cc of this email I am passing this on to the
"pros" are Falcon Gauge.
John H. Wiegenstein
Hansville, WA
RV-6 S/N 23961 - N727JW (reserved)
Message 21
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<avionics-list@matronics.com>
--> AeroElectric-List message posted by: "Dave Ford" <dford@michweb.net>
I have the AK-350 encoder, an IK2000 engine monitor w/density altitude readout
(requiring gray code input, looping out to another device), Garmin GTX327, Garmin
GNC300XL. The transponder has a gray code input and 2 RS232 inputs to receive
Icarus or Shadin type altitude info. It also has altitude output in Icarus
format. The GPS has RS232 inputs to receive (I believe) Icarus or Shadin type
info (according to installation manual). It also has a 232 output channel
showing aviation type info (serial position, velocity, and navigation data) which
I'm not sure where that info is to be used.
I am currently thinking that from the encoder to the IK2000 with gray code
looping that out to the transponder with a RS232 output going to the GPS unit
with altitude info. Does that sound right?
Next for the Navaid A/P does it get steering info from the GPS RS232 output
NMEA format or from the GPS left/right steering info that would normally go to
a Nav Indicator? Do I need the Smart Coupler with this unit?
Dave Ford
RV6
Message 22
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--> AeroElectric-List message posted by: John Loram <johnl@loram.org>
It's my understanding that you can buy the Navaid A/P (wing leveler) with
the Smart Coupler built in. In that case it will take the serial output from
a GPS. If you bought the Navaid A/P without the built-in Smart Couple, then
you'll need to buy one from www.porcine.com
Another possibility is to use the all solid-state DigiTrak from
http://www.trutrakflightsystems.com . It accepts GPS input.
-john-
john@loram.org
www.loram.org
-----Original Message-----
From: Dave Ford [mailto:dford@michweb.net]
avionics-list@matronics.com
Subject: AeroElectric-List: wiring question
--> AeroElectric-List message posted by: "Dave Ford" <dford@michweb.net>
...
Next for the Navaid A/P does it get steering info from the GPS RS232
output NMEA format or from the GPS left/right steering info that would
normally go to a Nav Indicator? Do I need the Smart Coupler with this unit?
Dave Ford
RV6
Message 23
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| Subject: | Re: Wig wag relay |
--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <bob.nuckolls@cox.net>
At 08:32 PM 4/26/2003 -0400, you wrote:
>--> AeroElectric-List message posted by: "Bob Kuc" <bkuc1@tampabay.rr.com>
>
>In the low cost wig- wag system using automative flasher article, there is
>mention of a B&C SSF-1 relay or equal. What would be a comparative
>automotive flasher that I could use?
>
>Bob
I suspect there are many but I've not researched and verified
any specific part numbers. Perhaps someone on the list has
taken the time to dig out this information.
Bob . . .
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