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  #11  
Old 01-23-2012, 06:58 AM
yakdriver yakdriver is offline
 
Join Date: Aug 2006
Location: Twin Falls, ID
Posts: 683
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Quote:
Originally Posted by taflores View Post
Mine is the same way on my RV-7, in fact I installed needs springs, because the last owner hacked them all up, because he did not know what he was doing, he was trying to correct for a heavy wing so the idiot cut the springs shorter. My trim seems to work fine in flight, I need to correct for a heavy wing issue though, I will start with the rigging set up on the plane, I am told to take her up to cruise alt. and power setting and take my feet off the rudder pedals and see where the ball is, then start by setting up the rudder, i may need a trim tab on mine.
Is it a quick build kit? If so check the aileron at the outer hinge point. It will probably be the left aileron and it will stick up about 3/16" on top. You can elongate the holes in the outer hinge bracket and when you get it adjusted order a new undrilled hinge from Van's and replace it. Look on Van's website for correcting heavy wing for complete instructions. I have found this on 3 RV7s all quickbuilds manufactured in 2005-2006. Don
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  #12  
Old 01-23-2012, 06:59 AM
yakdriver yakdriver is offline
 
Join Date: Aug 2006
Location: Twin Falls, ID
Posts: 683
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Originally Posted by ghatch View Post
Hi Richard,
I've been thinking about adding a manual aileron trim to my 7. I would love to see a picture(s) of your finished install so that I can get an idea of what is involved.
Thanks,
Gerry
Order the kit from Van's. The manual trim works great and is an easy install. Don
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  #13  
Old 01-23-2012, 10:05 AM
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hydroguy2 hydroguy2 is offline
 
Join Date: Sep 2006
Location: Townsend, Montana
Posts: 3,179
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Quote:
Originally Posted by yakdriver View Post
Is it a quick build kit? If so check the aileron at the outer hinge point. It will probably be the left aileron and it will stick up about 3/16" on top. You can elongate the holes in the outer hinge bracket and when you get it adjusted order a new undrilled hinge from Van's and replace it. Look on Van's website for correcting heavy wing for complete instructions. I have found this on 3 RV7s all quickbuilds manufactured in 2005-2006. Don
+1....I had a heavy left wing(actually miine was unstable in roll) and used Don's advice to check the aileron hinge position. My aileron was sitting ~1/8" above the wing skin at the outboard edge. So I dropped the hinge and TaDa! fixed. My roll was still sensitive above 200mph, so I gently squeezed both ailerons.....when I say gently I mean I could not even tell I did anything. And it helped stabilize things.
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  #14  
Old 01-23-2012, 10:40 AM
edbooth edbooth is offline
 
Join Date: Feb 2006
Location: Trenton, SC
Posts: 117
Default Heavy wing

The old squeeze and bump trick works pretty good. I built a RV6 several years ago and had a heavy left wing... squeezed the right aileron trailing edge just a hair and fattened up the left aileron trailing edge just a bit. Worked great, and the trim was neutural with me and full fuel.

Ed Booth, Trenton, SC
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