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From: "colyncase on earthlink" <colyncase@earthlink.net>
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Subject: TKS vs. airfoil shape for LIVP
X-Original-Date: Wed, 15 Dec 2004 06:08:46 -0800
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I'm wondering if there are any airfoil experts out there.

I went to look at a TKS installation last weekend.
The main wing leading edge wasn't as bad as I thought.  It pushes the =
leading edge about 3/8" forward and curves back to meet the existing =
edge.   So it's a slightly smaller radius.

The horizontal stab, however, is quite changed.   The TKS strip is at =
least an inch in front of the original leading edge with a =
correspondingly smaller radius.

I would expect in both cases that the stall speed would be increased but =
the more dramatic change to the horizontal stab is concerning.

I'm wondering if if this kind of a change might mean difficulty flaring =
and even worse stall recovery characteristics.

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<DIV><FONT face=3DArial size=3D2>I'm wondering if there are any airfoil =
experts out=20
there.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I went to look at a TKS installation =
last=20
weekend.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>The main wing leading edge wasn't as =
bad as I=20
thought.&nbsp; It pushes the leading edge about 3/8" forward and curves =
back to=20
meet the existing edge.&nbsp;&nbsp; So it's a slightly smaller=20
radius.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>The horizontal stab, however, is quite=20
changed.&nbsp;&nbsp; The TKS strip is at least an inch in front of the =
original=20
leading edge with a correspondingly smaller radius.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I would expect in both cases that the =
stall speed=20
would be increased but the more dramatic change to the horizontal stab =
is=20
concerning.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>I'm wondering if if this kind of a =
change might=20
mean difficulty flaring and even worse stall recovery=20
characteristics.</FONT></DIV>
<DIV>&nbsp;</DIV></BODY></HTML>

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