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extended wing tips

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keystone(at)gci.net
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Posted: Mon Apr 16, 2007 8:10 am Post subject: extended wing tips

I installed a flat sheet of sheet metal to the flat  portion of the wing tip on my 801.  It extends about 3" above the wing  in front and about 8" above the trailing edge.  For now I just used 100  mile an hour tape to install it.  I installed one to see if I could detect  any change in flight characteristics.   I was hoping for a yawing of the plane indicating less drag.  What I got  was a rolling effect.  Normally when I fly the plane with just me in the  left seat the left wing is heavy.  With the extended wing tip on  the left side the plane flew straight.  

  

 What got me started thinking about modifying the  wing tip was talking with Bob Jones who installed "stall fences" on his  701.  He said the "Dutch roll" tendency was greatly reduced.  He  really like the way it flew.  I looked at the latest thoughts on wing tips  and thought can I improve the flight characteristics  a couple of percent.

  

 Has anyone else experimented with  this?

  

 Can anyone tell me if I have more lift will you go  faster?  or slower?

  

  

 Bill Wilcox

 N801BW

 Valdez, AK

 290 hrs

 Spring has finally  sprung!

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