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  #1  
Old 12-16-2018, 01:20 PM
dshevick dshevick is offline
 
Join Date: Aug 2018
Location: san rafael,ca
Posts: 9
Default RV 9A Alieron Trim Wedges

My RV9 pulls a bit to one side even with the trim adjusted all the way to counter it. I am working with the .pdf "How to diagnose and fix a heavy wing", but the builder said maybe the alieron trim wedge fell off the right alieron. I am not familiar with this piece, and cannot find it in the plans. Plastic RV parts sells one. Thanks David
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  #2  
Old 12-16-2018, 02:38 PM
JohnInReno's Avatar
JohnInReno JohnInReno is offline
 
Join Date: Jun 2005
Location: Prescott Valley/Chandler AZ
Posts: 308
Default Heavy wing

Congratulations on the new to you RV9.

There is no "part" called a trim wedge. This would have been added by the builder to try to resolve a heavy wing. I have seen everything from trim tabs to coffee stirrers attached to the aileron.

Keep looking in the archives. The RV9 has a different wing trailing edge than the 6-7-8 and requires different techniques.

On my particular plane, the final solution was moving the aileron hinge bracket to lower the leading edge of the aileron.

Make sure you really have a heavy wing. If you are flying solo, there is a heavy weight sitting in the pilots seat that can seem to make the plane turn left. My usual practice is to try to keep the left tank 6-8 gals less than the right to compensate.

A good way to quantify the amount of heavy wing is to run the heavy side tank until the plane balances and note the amount of fuel required.
Good luck!
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John Morgensen
RV-9A N946PM 600+ hours since 2013
Nevada/Arizona
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