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lsbrv7a(at)yahoo.com
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 Posted: Mon Jan 30, 2006 7:27 pm Post subject: Rudder questions |
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1. I saw a very well done RV 7 this weekend with a trim wedge mounted on the side of the rudder. Has anyone used an adjustable trim tab? It would be easy to slip in while building the rudder.
2. Has anyone had experience with 3M polyurethane adhesive? I am thinking about using it on the trailing edged assembly.
Sherman Butler
RV 7a Empennage
Sherman Butler
RV-7a Empennage
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deruiteraircraftservices(
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| Posted: Tue Jan 31, 2006 2:12 am Post subject: Rudder questions |
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The proseal in the traling edge is only there to assist novice builders in
the novice nuisance of double flush riveting. It can be build without
proseal. There are 3M adhesives for aerospace use more commonly used in the
composites structures. I'm not 100% about the numbers, but 3512 I think is
the fast drying and 2266 the slow one. I is quite a few years that I used
these adhesives. The slow one is in a Boeing material spec for the filler of
the Rudder on the 737 Classic and 737X.
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lsbrv7a(at)yahoo.com
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| Posted: Tue Jan 31, 2006 4:26 am Post subject: Rudder questions |
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Jim,
Sounds like a craftsman. Actually I was thinking about a ground adjustable trim tab. On my Grumman the exposed edge of 0.16 was about 6" X 1.25" on the rudder and ailerons.
sears(at)searnet.com wrote:
| Quote: | 1. I saw a very well done RV 7 this weekend with a trim wedge mounted
on the
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| Quote: | side of the rudder. Has anyone used an adjustable trim tab? It would be
easy to
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| Quote: | slip in while building the rudder.
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A fellow I know has a trim tab mounted in the rudder of his RV-3 and will do
it for his RV-7. May have already done it. If I remember, the horn for the
tab is also hidden. He does very nice work. If you're close to Louisville,
KY, he may show it to you.
His name is Chuck Brietigam at brietigam(at)earthlink.net, if this address is
still good. His workmanship is beautiful.
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