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Old 09-28-2022, 07:08 PM
subpar_bucker subpar_bucker is offline
Join Date: Oct 2016
Location: Cranberry Twp, PA
Posts: 73
Default Installing flaperon torque tubes after fuselage has been completed

I have not yet drilled the flaperon torque tubes. I had read and re-read the section 38 instructions for doing so before installing the wings for the first time yesterday (hooray!). After installing the wings it appeared to me that I was not going to be able to insert the torque tubes as directed in section 38. It was only upon more closely reading the section that it dawned on me that the baggage corner skins aren't installed when the torque tubes are installed as per the plans. My baggage corner skins are already installed (boo!).

My question is simple: is it possible to install the torque tubes with the wings installed (maybe by removing the flaperons from the wings)? Or am I going to have to remove the wings, install the flaperon tubes, match drill, remove the wings again, drill the bottom of the flaperon tubes and then upsize the holes for a AN3 and then install the flaperon tubes and again install the wings?
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Old 09-28-2022, 07:49 PM
Bob Y Bob Y is offline
Join Date: Jul 2017
Location: Piedmont, SC
Posts: 441

Sorry, but with the wing attached, you’re not going to be able to insert the flaperon operating arm into the torque tube and simultaneously push the flaperon hinge point into the rod-end bearing in the wing. The directions are 90 degrees to each other.
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Bob Y - builder 12iS E-LSA
N569TT first flight 2/9/2020

Last edited by Bob Y : 09-28-2022 at 08:47 PM.
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Old 09-28-2022, 10:24 PM
David Grady David Grady is offline
Join Date: Sep 2017
Location: Bloomington, MN
Posts: 3
Default Not so fast Batman

Subpar -

The installed baggage corner skins seem to be a problem.

I installed my torque tubes and drilled same today, but without corner skins installed.

This allowed me to drop the flaps with the wings installed and insert the torque tubes from the inside out without the obstruction of the corner skins.

One solution may be to pull the wings away from the fuse far enough to slip the torque tubes into position from the outside of the fuse. Then push the wings back in place and secure. Then carry on with the balance of the torque tube drilling instructions.
David Grady
RV-12iS #121089
Build in progress. Empennage, Wings, Fuse, Finish Kit done.
N12DG (reserved)

Last edited by David Grady : 09-29-2022 at 03:33 AM.
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