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Wingtips

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drfred(at)suddenlinkmail.
Guest

Posted: Tue Sep 16, 2008 8:59 am Post subject: Wingtips

To the fiberglass gurus out there:



I'd like to fill in the gap on the inside of the wing tip and smooth it 

out.  I didn't do a great job of  getting the line  straight when I 

trimmed  the gap between  the wing tip and the aileron.  What's the best 

way to do this?   On the elevator  tips  we  were able to  get to the 

back side  and use some  Styrofoam to build it up.   Here we have the  

metal from the  support to work against.  How have others' done this.  I 

have seen a few show planes with all the elevator and wing tips filled.  

Is Styrofoam ok to use to fill the space?  Any links to websites? 



Thanks in advance. 



Fred

40515. 



Waiting on paper work and DAR.   Taxi test done this weekend.  10 more 

knots and she would have been airborne.  To all the other builders who 

haven't flown yet.  Get started on the paperwork 3 months before you 

think you might fly.  I should be worrying about  what  Vx and Vy are  

for my plane and not  trying to fill in cosmetic  stuff  during the 

prettiest days of the whole year!.

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Dave(at)AirCraftersLLC.co
Guest

Posted: Tue Sep 16, 2008 2:01 pm Post subject: Wingtips

Rigid foam will work, or even a piece of balsa or something similar.  The

thing to remember is that you need to glass over the filler or you will

probably end up with a paint crack at the joint line.



Another way to straighten up the line, if you don't care about filling the

interior, is to extend the upper and lower skins by glassing a flat sheet

onto the upper and lower surfaces of the tip.  Think of it as replacing the

part that got cut off.  You can lay up a coupon of fiberglass on a smooth,

flat surface to make some sheet material.  Then put it in place inside the

wingtip and glue it down with flox and resin.  Then bodywork the new seam.



Clear as mud?  Give me a call if I can explain it better.



Dave Saylor

AirCrafters LLC

140 Aviation Way

Watsonville, CA 

831-722-9141

831-750-0284 CL

www.AirCraftersLLC.com

 



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