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wnorth(at)sdccd.edu
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 Posted: Sun Aug 24, 2008 8:31 am Post subject: skiins |
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The skins may not be the problem, and un-bending it could make it worse.
The spar flanges are likely not perfectly bent to be aimed correctly at the
theoretical point of convergence of both skin radials the proper distance
aft from the spar. Vans spars, and in particular end ribs are rarely bent
accurately enough to create the perfectly shaped V across the entire span of
the surface. Then you spend a bunch of hours banging on that metal even
more.
As well, unbending it will cold work the metal even further and could
possibly damage the skin or set it up for future cracking.
Depending on your paint scheme you probably won't notice it and it will not
affect how it flies in any manner, the airflow is way too messy to matter
back there. (who knows, you may have just reinvented pressure recovery
elevators and it will go faster)
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brucebell74(at)sbcglobal.
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| Posted: Sun Aug 24, 2008 9:49 am Post subject: skiins |
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On my 4 I followed Van's instructions and mine came out ok. I made a brake
out of a piece of redwood 2x6, an old interior door and some door hinges.
Squeezed the trailing edge down till the skin just touched the spar. Worked
for me. I think you will not be happy till you get it just like you want it!
Regards, Bruce Bell RV-4 N23BB
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