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1. 05:10 PM - Re: RV9-List Digest: 5 Msgs - 03/18/05 (Leland)
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| Subject: | Re: RV9-List Digest: 5 Msgs - 03/18/05 |
--> RV9-List message posted by: Leland <federigo@pacbell.net>
I reported this problem to Scott at Van's a few weeks ago. Scott did not
feel that it was a problem since you don't normally operate an RV's
ailerons against the stops, except perhaps in aerobatics. To avoid
contact with the push rod, I had to file the bottom part of the hole
through the rear spar until it almost contacted the rivets holding the
aileron bracket on. Bryan Wood recently reported that his test pilot
found that he could completely lock the ailerons in the "full" position
when the pushrod caught in the spar. I believe this problem will
eventually kill somebody.
Another safety problem I encountered was that the torque value on the
nuts holding the lead weights on the elevators had decreased in value
from 25 inch-pounds down to 5. Apparently the lead slowly creeps under
pressure over time. I finally attached the Nyloc nuts using permanent
thread lock and glued the lead weights, nuts and bolts on with ProSeal.
I also sanded down the thickness of two of the weights so that there was
more clearance between the horizontal stabilizer and the weights.
Leland
Getting close to done
>Time: 08:31:05 AM PST US
>Subject: RV9-List: Aileron pushrod clearance
>From: Gerry Filby <gerf@gerf.com>
>
>--> RV9-List message posted by: Gerry Filby <gerf@gerf.com>
>
>
>Wrapping up the last parts of the wings ... installed the
>aileron pushrods and bellcrank. Disapointed to see that the
>steel pushrod fouls the edge of the openning in the rear spar
>at both limits of aileron movement. The max deflection of the
>aileron is within the limits set in the construction manual
>(Section 15) but you can alread see that the powder coat on the
>pushrod is being marred. Also, at max up deflection one of the
>rivet heads that secure the rod end "catches" on the edge of
>the opening - this worries me - I see potential for a jammed
>flight control.
>
>Its hard to see how this cannot have been a problem in every
>kit since there's not much latitude for positioning given that
>all the holes are prepunched.
>
>Anyone else have these issues ?
>
>g
>
>
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