Today's Message Index:
----------------------
1. 02:14 AM - Re: Homebuilt Catalog ()
2. 03:37 AM - Re: Opinions on Hobbs Meter selection wanted (Dana Overall)
3. 03:49 AM - Re: CO Detector (Ralph E. Capen)
4. 03:59 AM - Re: Crosswind Limits (Dean Pichon)
5. 06:30 AM - Re: Crosswind Limits (Alex Peterson)
6. 08:00 AM - Re: Homebuilt Catalog (Kevin Williams)
7. 10:44 AM - RV-3 chord (Bluecavu@aol.com)
8. 11:04 AM - Re: RV9A empennage for sale (Chuck Weyant)
9. 11:15 AM - Re: RV-3 chord (Randy Lervold)
10. 01:39 PM - > Re: Homebuilt Catalog (Oldsfolks@aol.com)
11. 04:40 PM - Re: alternator (Hopperdhh@aol.com)
12. 05:13 PM - Re: CO Detector (David Burton)
13. 05:45 PM - Re: > Re: Homebuilt Catalog (Kevin Williams)
14. 07:53 PM - Re: RV9A empennage for sale (Albert Gardner)
15. 07:56 PM - Re: RV9A empennage for sale (Albert Gardner)
16. 09:19 PM - Oil Cooler Flange Failure (Dan Checkoway)
Message 1
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| Subject: | Re: Homebuilt Catalog |
--> RV-List message posted by: <sears@searnet.com>
> I think Kitplanes Magazine does a homebuilt catalog issue once a year. In
> the fall I believe.
> That was how I came down with the RV malady.
>
> Jim in Kelowna
Kitplanes does it in three sections. This month was the last of the three
sections and dealt with rotorcraft and trikes. The December issue may have
been the one that dealt with kits. The next was plans built. I'm sure they
would send a copy to you for a small fee. It's a great magazine. The
"catalog" is worth the price of the magazine.
Jim Sears in KY
do not archive
Message 2
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| Subject: | Re: Opinions on Hobbs Meter selection wanted |
--> RV-List message posted by: "Dana Overall" <bo124rs@hotmail.com>
Charlie, try going to your local farm tractor supply store. They carry
Hobbs meters.............as I recall, at a much cheaper price and without
shipping:-)
Dana Overall
Richmond, KY i39
RV-7 slider, Imron black, "Black Magic"
Finish kit
13B Rotary. Hangar flying my Dynon.
http://rvflying.tripod.com/aero1.jpg
http://rvflying.tripod.com/aero3.jpg
http://rvflying.tripod.com/blackrudder.jpg
do not archive
Message 3
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--> RV-List message posted by: "Ralph E. Capen" <recapen@earthlink.net>
Through the reseller from the vendor...
The unit needs to be refurbed at about seven years - there's something
inside that wears out......don't remember the specifics.
----- Original Message -----
From: "Larry Bowen" <Larry@bowenaero.com>
Subject: RE: RV-List: CO Detector
> --> RV-List message posted by: "Larry Bowen" <Larry@BowenAero.com>
>
> Looks nice, but pricey. I didn't see where it said how long they last.
> Do
> you know? Most others I've been looking at are no good after five years.
>
> I like their remote enunciator light. Push to test, twist to dim LED.
> Nice. Anyone know where else to get those? Digikey?
>
> -
> Larry Bowen
> Larry@BowenAero.com
> http://BowenAero.com
>
>
>> -----Original Message-----
>> From: Ralph E. Capen [mailto:recapen@earthlink.net]
>> Sent: Wednesday, December 29, 2004 9:02 PM
>> To: rv-list@matronics.com
>> Subject: Re: RV-List: CO Detector
>>
>> --> RV-List message posted by: "Ralph E. Capen"
>> <recapen@earthlink.net>
>>
>> I installed a CO Guardian in my panel - fits in a small
>> standard hole with a fitting kit:
>>
>> http://www.safeair1.com/index.htm
>>
>> These guys are distributors.....
>>
>>
>> ----- Original Message -----
>> From: "Larry Bowen" <Larry@bowenaero.com>
>> To: <rv-list@matronics.com>
>> Subject: RV-List: CO Detector
>>
>>
>> > --> RV-List message posted by: "Larry Bowen" <Larry@BowenAero.com>
>> >
>> > Anyone using one of these CO detectors? Recommended?
>> >
>> > http://www.pilotmall.com/page/1/PROD/101/303
>> >
>> > -
>> > Larry Bowen
>> > Larry@BowenAero.com
>> > http://BowenAero.com
>> >
>> >
>> >
>>
>>
>> =========
>> =========
>> =========
>>
>>
>>
>>
>>
>>
>
>
>
Message 4
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| Subject: | Crosswind Limits |
--> RV-List message posted by: "Dean Pichon" <deanpichon@msn.com>
I have about 250 hours in my -4 and often feel like the FNG. I find 15
knots of cross wind component to be the most I (and/or the aircraft) can
handle. For me, the rate of change in direction/speed is at least as
important as absolute magnitude in determining my ability to land.
Good luck,
Dean
Bolton, MA
----Original Message Follows----
From: "Valovich, Paul" <pvalovich@dcscorp.com>
Subject: RV-List: Crosswind Limits
--> RV-List message posted by: "Valovich, Paul" <pvalovich@dcscorp.com>
I'm an RV FNG (0.0 hours) but have a lot of military jet time. The
crosswind limits on the A-4 with spoilers deployed were 25 kts
symmetrical and 15 kts assymetrical. Those upper limits were a handful
in landing a 13,000 lb. tricycle gear delta wing jet. Do most RV pilots
have a 20+ kt crosswind limit? I would have guessed the number was less
- maybe 15 - 20 kts.
Paul Valovich
Dont just search. Find. Check out the new MSN Search!
http://search.msn.click-url.com/go/onm00200636ave/direct/01/
Message 5
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| Subject: | Crosswind Limits |
--> RV-List message posted by: "Alex Peterson" <alexpeterson@earthlink.net>
> --> RV-List message posted by: "Dean Pichon" <deanpichon@msn.com>
>
> I have about 250 hours in my -4 and often feel like the FNG.
> I find 15
> knots of cross wind component to be the most I (and/or the
> aircraft) can
> handle. For me, the rate of change in direction/speed is at least as
> important as absolute magnitude in determining my ability to land.
Interesting thread - many good comments that generally can't be disagreed
with. I am not a high time pilot, with most of my flying experience coming
from my RV6-A. I would agree that 15 knots is probably the limit, requiring
the airplane to be crabbed at about 14 degrees relative to the air at
touchdown. Of course one can "get away" with higher and higher crosswinds,
but that is not a wise thing to do.
Many have posted something like "I've landed in xx knots crosswind component
so I know that is at least the limit". As is often the case with people on
this list when discussing reliability of such and such a component, one
cannot scientifically support these sorts of conclusions. Having 1500 hours
trouble free time on brand X alternator, to pick an example, means nothing
with respect to brand X's reliability. Numerous brand X alternators would
have to be run thousands of hours each to begin to determine the expected
reliability of them. Even having that information does not tell one when a
given unit will fail.
The same goes for crosswind landings - the risk of balling up the plane from
crosswind landings goes from zero at no crosswind to 100% at some high
crosswind. There is no magic threshhold crosswind, but a continuous and
exponentially increasing risk as the crosswind goes up. Like all our
flying, probability comes into play.
Alex Peterson
RV6-A 561 hours
Maple Grove, MN
http://www.home.earthlink.net/~alexpeterson/
Message 6
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| Subject: | Homebuilt Catalog |
--> RV-List message posted by: "Kevin Williams" <kevinsky18@hotmail.com>
Kit plane every now and then lists every homebuilt, ultra light ect that is
on the market.
From: "" <tx_jayhawk@excite.com>
Subject: RV-List: Homebuilt Catalog
--> RV-List message posted by: "" <tx_jayhawk@excite.com>
Do not archive (not RV related)All, I think I have finally convinced my
dad on the value and allure of homebuilts. That being said...there is no
way he has the time, patience or money to do an RV (even a QB). As neat as
I think it would be if he could, it is just not reality. Additionally, he
has limited flexibility and likely would not be able to "build" an RV at
all. That being said...I remember seeing a catalog at one time that
basically covered all the details on a bazillion different homebuilts. I
can't remember the name of the catalog, but I would like to purchase it to
help him look at some alternatives. Off the top of my head I think a Zenith
might be a good choice. Anyone know the name and where I might be able to
get said catalog? Thanks,ScottRV7A Fuse on the waywww.scottsrv7a.com
Join Excite! - http://www.excite.com
The most personalized portal on the Web!
Message 7
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--> RV-List message posted by: Bluecavu@aol.com
Can anyone tell me what the wing chord measurement (total width of wing or
distance from leading edge to trailing edge) is on an RV-3?
Just curious,
Scott
N4ZW
do not archive
Message 8
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| Subject: | Re: RV9A empennage for sale |
--> RV-List message posted by: "Chuck Weyant" <cweyant@chuckdirect.com>
Couldn't agree more!
Chuck
do not archive
>
> >> After finishing the empennage of a RV9A,....Snip.....the aircraft cost
is
> going to be too high for me. While the RV9A will always be my
> dream.....Snip....I have decided....Snip....a Corvair powered Zenith
601XL.
> <<
>
> Personally, I think that you will be disappointed. I am 95% complete
> building the RV-9A (prepping for paint). Being newly retired, cost was an
> issue (building cost plus operating and maintenance cost). I have looked
at
> all of the options including Zenith, Murphy, Kitfox, etc. The answers all
> pointed to the RV-9A. When you buy the kit it locks you in for the life
of
> that airplane. The airframe/kit is the most important decision - and
leaves
> you well-defined upgrade choices for the future.
>
> For example; Vans kits are very inclusive, with almost all parts included.
> The RV-9A comes with a complete, anodised spar! All fixtures, rivets ,
most
> fairings, etc., etc. Most alternatives have many upgrades that are not
> really an option. It gets expensive. Also, the plane will be an asset
not
> unlike your house. You can always sell a completed RV at a premium. They
> dominate the market. Try to sell anything else. Check E-Bay,
> Trade-A-Plane, etc.
>
> You can save money building if necessary. For example. I am using the
> O-235 engine with a much better fuel burn. Figure 1,000 hours @ cost of
> fuel per hour. Big money. Buy a near runout Lycoming. It is cheap and
will
> give you 5 or 10 years to get that promotion. I have an Ed Sterba prop
> ($575) - Van designs around wood. Buy the pre-punched panel and order the
> Vans steam gages with limited avionics for really fun VFR. Upgrade as you
> get the money.
>
> Fly the plane for a few years "unpainted". Buy the template for the
> registration marks, then buy one quart of paint in your accent colour and
> personally paint the wing tips, letters, stripes - - and just polish the
> other aluminum for a few years. Soon you will be richer and will be able
to
> upgrade your plane to dream status. Aluminum airplanes Really Rock
> unpainted - especially the military look. Compare to the opposition -
> painted or otherwise. Any RV with a spinning prop will always turn heads
> until it has taken off or shut down, period.
>
> Those first few years will the best flying of your life (all enhancements
> will degrade you in the future - more weight and complexity). By the
way,
> the RV List and others are a tremendous resource far better than any other
> supplier - - did someone say that the Vans meter just tripped 4,000 ? ? ?
>
> Good luck on your decision - whether you build an RV, wait until you can
> build an RV, or you build something else. Research it well. It's a big
> decision.
>
>
Message 9
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--> RV-List message posted by: "Randy Lervold" <randy@romeolima.com>
Hi Scott,
RV-3 wing chord is 54" which includes the flight control surfaces.
Randy Lervold
www.rv-3.com
----- Original Message -----
From: <Bluecavu@aol.com>
Subject: RV-List: RV-3 chord
> --> RV-List message posted by: Bluecavu@aol.com
>
> Can anyone tell me what the wing chord measurement (total width of wing or
> distance from leading edge to trailing edge) is on an RV-3?
>
> Just curious,
>
> Scott
> N4ZW
>
> do not archive
>
>
Message 10
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| Subject: | Re: > Re: Homebuilt Catalog |
--> RV-List message posted by: Oldsfolks@aol.com
I am sure glad to see you fellas' putting your hometown in your signature
line,wish everyone would.
Happy Flying,
do not archive
Bob Olds RV-4 , N1191X
A&P , EAA Tech. Counselor
Charleston,Arkansas
Real Aviators Fly Taildraggers
Message 11
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--> RV-List message posted by: Hopperdhh@aol.com
W,
I won't argue with your experience either! Everything built has an expected
service life, so in that regard, I suppose, alternators are not rated for
continuous duty. Continuous meaning full output for its entire lifetime.
The point here is that the alternator should not be able to overheat itself
and fail in just a short time. One reason you have seen overheated failures
was probably because the airflow was restricted somehow. For example, I have
seen alternators packed with oily "mud" which caused them to overheat. My
friends RV-9A failed the alternator during taxi testing. I opened it up to
find the insulation fried as you said. I believe a fan would have prevented
this failure. Alternators are limited in their output current as I posted
earlier. I think the inductive reactance of the stator windings is the primary
reason for this limiting. With proper cooling airflow, a properly designed
alternator will not overheat from being loaded too heavily -- that is, from
putting out too much current. This, of course, assumes that the voltage
regulator is functional. I have also seen alternators fail due to overheating
when
one diode is shorted or open (after many thermal cycles) causing more heating
than the unit was designed for.
I certainly would not consider any alternator junk just because it has a low
amperage rating. A 20 amp alternator which is reliable should be considered
a fine machine. My definition of junk is something that is prone to
failure. I don't think the alternator should fail from trying to recharge the
battery after the master switch was left on, for example. This certainly can
be
hard on the alternator. And I would recommend several hours on the battery
charger to make it easier on the alternator if this happens. If your
alternator has severely restricted airflow. it will probably fail before the charging
current comes back to a low level. This would apply to Vans 35 amp with no
fan. That fan moves a lot of air. I don't know if a 5/8 inch blast tube
could possibly provide that much airflow. It would require some instrumentation
to determine if enough cooling air is being provided. Believe me, if you get
enough cooling air (like in the original application) it will not burn up!
Thanks for your responses. My only reason for making these posts is to
share my personal experiences in order to help the readers of the list build
safer, more reliable airplanes.
Regards,
Dan Hopper, retired automotive electrical engineer
RV-7A (Flying, but not much lately due to weather)
In a message dated 12/30/04 12:05:37 AM US Eastern Standard Time,
wnorth@sdccd.cc.ca.us writes:
Dan,
Very few power sources are rated for continuous duty, including alternators
unless required to be so by some agency.
I won't argue with your experience, but I can tell you that Van's units,
either 35 or 60 amps, on the test bench will start to fry at something less
than the supposed rated output. Been there, done that, watched the temp
probes start sticking to the insulation... As far as I'm concerned,
regardless of what the manufacture rates it at, this is the only way to be
sure what the unit can do.
I have also found that alternators are not self limited in that I have had
to change, and or overhaul at least 300 to 400 alternators over the years,
and they can get pretty smelly due to burnt stator insulation.
RE fans, most of the japanese units vent from both ends out the sides and
usually don't have an external fan, whereas the delco and bosch units tend
to vent from the back to the front and usually do have an external fan.
Honda engines tend to turn the same way as aeroplanes so this is a good
choice for the rotor source as the internal fans are a permanent part of the
field rotor.
W
Message 12
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--> RV-List message posted by: "David Burton" <dburton@nwlink.com>
http://checkoway.com/url/?s=d0ca36fc
You could use this to "calibrate" your CO detector. It's not an appropriate
unit to mount in the plane, but has a battery back-up and a digital display.
Decide what level you want to have your unit go off at and set it using this
one to display the concentration you are shooting for. Set yours to go off
at that level. I think I paid about $25 for it at Costco.
Message 13
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| Subject: | Re: > Re: Homebuilt Catalog |
--> RV-List message posted by: "Kevin Williams" <kevinsky18@hotmail.com>
>>>>I am sure glad to see you fellas' putting your hometown in your
>>>>signature
line,wish everyone would.
lol I was thinking ya me too I wish everyone would add in their details.
Then I realized I hadn't set up my signature either. Ok so now it's done.
:)
Kevin
Yellowknife, NT, Canada
RV-8 Wanna Be Builder
From: Oldsfolks@aol.com
Subject: RV-List: > Re: Homebuilt Catalog
--> RV-List message posted by: Oldsfolks@aol.com
I am sure glad to see you fellas' putting your hometown in your signature
line,wish everyone would.
Happy Flying,
do not archive
Bob Olds RV-4 , N1191X
A&P , EAA Tech. Counselor
Charleston,Arkansas
Real Aviators Fly Taildraggers
Message 14
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| Subject: | Re: RV9A empennage for sale |
--> RV-List message posted by: "Albert Gardner" <spudnut@worldnet.att.net>
Here's another thing you won't be doing in your Zenith:
Left Yuma for Phoenix this morning, climbed to 7,500 eastbound (from 188' at
KYUM) level at altitude within 10 miles of origin. On course-2250 rpm, 6.5
gph, 150 kts TAS. On return, sliding downhill into the area at 165 kts,
approach says "Can you slow down to let 2 King Airs in before you?" I say,
"I can slow down or speed up-your choice"
Albert Gardner
RV-9A 872RV
Yuma, AZ
Lyc O-320 Sensenich FP
>>> After finishing the empennage of a RV9A,....Snip.....the aircraft cost
>>> is
> going to be too high for me. While the RV9A will always be my
> dream.....Snip....I have decided....Snip....a Corvair powered Zenith
> 601XL.
> <<
Message 15
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| Subject: | Re: RV9A empennage for sale |
--> RV-List message posted by: "Albert Gardner" <spudnut@worldnet.att.net>
Here's another thing you won't be doing in your Zenith:
Left Yuma for Phoenix this morning, climbed to 7,500 eastbound (from 188' at
KYUM) level at altitude within 10 miles of origin. On course-2250 rpm, 6.5
gph, 150 kts TAS. On return, sliding downhill into the area at 165 kts,
approach says "Can you slow down to let 2 King Airs in before you?" I say,
"I can slow down or speed up-your choice"
Albert Gardner
RV-9A 872RV
Yuma, AZ
Lyc O-320 Sensenich FP
>> >> After finishing the empennage of a RV9A,....Snip.....the aircraft cost
> is
>> going to be too high for me. While the RV9A will always be my
>> dream.....Snip....I have decided....Snip....a Corvair powered Zenith
> 601XL.
Message 16
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<rv-list@matronics.com>, <RV7and7A@yahoogroups.com>
| Subject: | Oil Cooler Flange Failure |
--> RV-List message posted by: "Dan Checkoway" <dan@rvproject.com>
As you may recall, I had a few bad baffle cracks early on. I'm happy to
report that my latest baffle/brace design seems to be rock solid.
However...last night, when doing an oil change, I noticed that my oil cooler
flanges all but self-destructed. The oil cooler flanges have become the
weak link in the chain. Photos here:
http://www.rvproject.com/20041229.html (bottom of page)
I blindly followed "the plans" (FWF DWG OP-27) when installing my oil
cooler, and while I don't normally criticize the amazing job Van's has done,
this is one area where the plans are definitely leading "newbies" like me
astray. I take full responsibility for what happened, but you might want to
check your installation if you followed the drawing blindly like I did.
Here's the end result, including the modifications I made (that probably
MANY less ignorant people have already made) in order to make the
installation robust.
http://www.rvproject.com/20041230.html
Hope this helps!
)_( Dan
RV-7 N714D
http://www.rvproject.com
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