REFLECTOR: Seat screws

[jerry at jlbent.com]

Chris,

I don't know if everyone is seeing the same problem, but we certainly did
on N44VF.  It is not weight as much as geometry of the brakes.  I seems
that you end up with your shoulders providing a major part instead of your
hips.  This put a big lever (the seat back) in the system.  The solution is
easy.  Replace the puny 10-32 with 1/4-20 or 1/4-28.  I believe 1/4-20 are
better in aluminum.  Once we did that, the bolts held up just fine.


Jerry Brainard
Jerry at JLBEnt.com


  	-------Original Message-------
From: Chris Barber
To: Velocity Aircraft Owners and Builders list
Subject: REFLECTOR: Seat screws
Sent: Jan 07 '12 4:45pm


I was wondering if others had had trouble with the seat hinge screws
breaking and/or distorting. I have had to replace twisted and broken screws
a few times now. Ok, while I am by no means a small man (5'10 at 200 lbs) I
am not so big that I would think I would be stressing these parts.


One thought is that I have been standing on the brakes a lot doing engine
run ups and testing, but still it seems odd.


I have now added extra screws by tapping out additional screw holes. I am
close enough to hopefully successful flight that I wanted to address this
gremlin.


I had the tech out to test my transponder and it has a problem so he took
it to take a look (really nice and helpful guy for those in SE Texas). Next
step, squawk party....


Chris
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