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Old 09-08-2023, 07:38 PM
HighFlying HighFlying is offline
Join Date: Feb 2023
Location: Lancaster, Pa
Posts: 28
Default RV-10 Aileron Trim Servo

I want to install my aileron trim servo in the right wing along with the Garmin AP servo on my RV-10 and I would like to do the installation before closing the bottom skin. I understand the critical dimension is to ensure the aileron pushrod is in the neutral position to attach the spring brackets on the pushrod. Given the state of completion in that I don't have all the linkage connected through the fuselage (which I don't have yet), can I use the W-730 bellcrank jig to establish that neutral position for the aileron bellcrank? Then place the trim brackets on the pushrod based on the jig/bellcrank neitral position. Really would like to make those connections before attaching the bottom skin. Alternatively, should I wait until the linkage is more intact, through the fuselage to set the trim brackets on the pushrod? Thoughts?
Doug M.
Lancaster, Pa.
Slo-Build Emp & Wings
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Old 09-08-2023, 08:56 PM
Carl Froehlich's Avatar
Carl Froehlich Carl Froehlich is offline
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 4,437

I did this after the wing was on the plane, control surfaces rigged and control sticks verified in final positions.

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Old 09-09-2023, 06:38 AM
rleffler's Avatar
rleffler rleffler is offline
Join Date: Jun 2006
Location: Delaware, OH (KDLZ)
Posts: 4,470

Originally Posted by Carl Froehlich View Post
I did this after the wing was on the plane, control surfaces rigged and control sticks verified in final positions.

I did the same. Mine is mounted on the inner access panel.
Bob Leffler
N410BL - RV10 Flying
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Old 09-09-2023, 10:54 AM
rongawer rongawer is offline
Join Date: Dec 2007
Location: Brentwood, CA
Posts: 1,084

I did my mine during wing assembly. I installed per OP-38 and thought it was pretty straightforward to do. It thought it was much easier to do during construction with the wing upside down on saw horses. I did set the neutral point of the servo based on having the roll servo also at its neutral point with the W-730 per the KAI.

I have tested full stroke ability of the servo and don't know that any mechanical adjustments would be needed, but could be done post installation of the wings if needed, and IMO more easily than doing the installation that way.

I did not consider doing after wing installation; I don't like working upside down or over my head.
- RV10, N762G, Build in progress.
- Several others that are now just great memories for me.

Last edited by rongawer : 09-09-2023 at 11:06 AM.
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Old 09-09-2023, 07:12 PM
TomSpencer46 TomSpencer46 is offline
Join Date: Jan 2014
Location: ferrisburgh Vt
Posts: 80

Once the wings are on you can mark where on the push rods where to attach the spring brackets. without the wing tips on it is easy to pull the rods to attach the brackets.
RV-10 N90Vt First flight 11/2/2019
1947 Bonanza 25 years flying Sold
Home field (Spencer) VT09
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