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keithmckinley
Joined: 11 Aug 2008
Posts: 434
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 Posted: Thu Nov 18, 2010 6:32 pm Post subject: CJ rudder Trim |
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Hello all,
I'm looking for some feedback regarding the installation of rudder trim in the CJ. I've decided to use a servo mounted in the rudder but I've seen several different variations of trim tabs. There are the tabs that are "cut in" and those that are mounted with a piano hinge as a direct replacement for the stock bendable tab (some long, some short). I'm also curious if anyone has used a CJ elevator tab in their version.
I'd appreciate any comments from those who have done it.
Regards,
Keith McKinley
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barryhancock
Joined: 09 Oct 2008
Posts: 285
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| Posted: Sat Nov 27, 2010 9:13 pm Post subject: Re: CJ rudder Trim |
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Keith,
We have done it both ways. It is easier to do it as a replacement of the original tab, and works just fine. You want to make sure you get enough surface area so that the trim is effective enough to leave your foot on the floor during normal climb. Obviously, it matters which engine/prop combo you have.
On my airplane we did the tab integrated into the control surfaces. This is superior in looks, but is also a lot more involved as you need to modify the structure.
Either way, make sure that the geometry for the servo arm is correct. The other thing to worry about is the fairing.....it has to accommodate the range of motion of the servo arm. You don't *have* to have a fairing, but it sure looks ugly if you don't. I have some pics that I'll dig up and post....
Barry
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_________________
Barry Hancock
Worldwide Warbirds, Inc.
www.worldwidewarbirds.com |
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keithmckinley
Joined: 11 Aug 2008
Posts: 434
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| Posted: Thu Dec 02, 2010 12:00 pm Post subject: Re: CJ rudder Trim |
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Thanks Barry,
I'm sure many of us would enjoy seeing the pictures.
Keith
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