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Old 07-20-2019, 02:51 PM
jor.ezq jor.ezq is offline
Join Date: Aug 2018
Location: EAA-Argentina
Posts: 10
Default Rv 10 aileron trim spring noise

Hi everyone !
I hate that noise when you move the aileron or the stick in ground.

Did anyone solve this ? Or maybe I have a construction issue ?
Thanks folks !

Rv 10
80 flying hours
Buenos Aires
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Old 07-20-2019, 03:33 PM
rocketman1988 rocketman1988 is offline
Join Date: Jun 2010
Location: Sunman, IN
Posts: 1,666
Default ALSO...

If you are using a garmin system, it has auto trim capability.

This requires that the servo drive wires are connected to the roll servo (2 wires).

The default location for the aileron trim is in the LEFT wing but the roll servo is in the right.

If you mount the aileron trim in the RIGHT wing, it simplifies running the wires to the roll servo for the auto trim function.

Mounting the aileron trim in the LEFT wing and using auto trim, you will need to run those wires from the LEFT wing trim servo to the RIGHT wing roll servo.

Just something to consider...
Aerospace Engineer '88

Structure - 90% Done
Cabin Top - Aaarrghhh...
EFII System 32 - Done
290 HP Barrett Hung
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Old 08-03-2019, 11:34 AM
ClarkieSr ClarkieSr is offline
Join Date: Nov 2013
Location: The Villages, FL
Posts: 79

Originally Posted by johngoodman View Post
Wiring for aileron trim is the least of the problems. The trim motor mounts on the Inspection Plate door closest to the fuselage. It uses two rather large springs that are attached to the Aileron Push Tube about a foot from the motor on both sides. The only way I know to install it, after the wing is attached, is to take the wing back off. You have to put two attachment points for the springs on the Push Tube, which means pulling the Push Tube.
In short, make up your mind before you attach the wing.

You do not have to remove the wings. Disconnect the both ends of the push road, remove the wing tip fairing and slide the rod out the end of the wing. A lot less work and time involved
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Old 08-05-2019, 05:57 AM
Dustyone Dustyone is offline
Join Date: Oct 2012
Location: Brisbane,Austalia
Posts: 159

"Hi everyone !
I hate that noise when you move the aileron or the stick in ground.

Did anyone solve this ? Or maybe I have a construction issue ?
Thanks folks !"

I have now found 3 x RV-10's that have had the Aileron Trim springs rubbing on the Aileron pushrod tubes. The plans were changed to require the builder to inspect and confirm that there is no contact in 2016, however prior to that I guess builders just kept building.

The fix is simply to bend the Aileron Trim Motor arm ,forward, away from the Aileron pushrod approx 3/16".

If you have any noise, please inspect, as the springs will eventually wear through the pushrod with possible dire control issues !!

Photos from a 1000hr + RV-10,

Ashley Miller
RV-10 #40597
Airflow Systems Air-Con
VH-XTE 600hrs +
Photos :

Last edited by Dustyone : 08-05-2019 at 05:59 AM.
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