Message-ID: <000001c15452$d7c5cb00$0200a8c0@d4b7f1>
From: "David Hummer" <d.hummer@gte.net>
To: <lancair.list@olsusa.com>
Subject: LNC2 Flaps
Date: Sat, 13 Oct 2001 00:09:42 -0700
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Gentlemen,

Thank you for all of your advise on solving my flap problem.  Your comments
and suggestions are invaluable.  Today was a good day in the shop and this
hurdle is becoming much less of an obstacle than just a few days ago.  My
apology to Marv for not sending plain text messages.  I think that problem
is corrected.  The flap is going to take a few more days to fix, but I can
see the light and it is getting brighter.  After the flap is fixed I have
only one more serious obstacle (small tail paranoia) and I am into the home
stretch.  For now I will focus on correcting the flap twist and will advise
what works best in case anyone else runs into the same problem later.

I have noticed that the flaps are usually (if not always) down on 2 place
Lancair planes at the airshows.  Funny how before building my own Lancair I
thought that was done to prevent an inadvertent stepping onto the flap while
stepping off the wing.  Now I have a completely different perspective that
Bob describes so well in his message.  I did have a smile on my face reading
that phrase.

Finally, I also worry about the thickness of the trailing edge of the flaps,
ailerons, and elevators.  Finding a nice top and bottom transition from the
flap to the aileron is impossible in my opinion due to the different shapes
and thickness.  Do most people finish the flaps and ailerons as two
different surfaces that have nothing really in common (shape or thickness)
and simply concentrate on getting the trailing edges on a straight line?  Or
is there some trick to make everything look similar (like lots of fill near
the gap between them)?  I have decided to sand the trailing edges of the
elevators and ailerons to the same exact thickness, with the flaps having a
much thinner trailing edge, but exactly on a straight line with the aileron
next to it.  Then I will leave the flaps in the full down position at
airshows and no one will even notice that the aileron and flap have no real
similarity, right?

Thanks again to everyone.  Your words are so very helpful.

David Hummer


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Please send your photos and drawings to marvkaye@olsusa.com.
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