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Trimming the aft end of the wingtips

My wingtips were a little longer than the wings are wide, and after I installed them the aft edges of the tips were about 3/8" aft of the aft edge of the aileron. There seems to be plenty of fiberglass on the back of the tip so I decided to trim them off.

I used a piece of thread hung from the aft outboard edge of the wing tip to the aft edge of the aileron. This made a nice parabolic curve. Then I marked that line carfully with my sharpie pen. Remember my wings are in the craddle with the leading edge on bottom.

I didn't really trim them I used a medium Scotchbrite surface finishing pad (see Avery part number 5527) in my right angle die grinder to sand down to the line and then I put a finer Scotchbrite pad in the die grinder to finish up the curve and round the edges to match teh aileron. Then I finished it up with some 120 grit emory cloth. It'll need some more polishing to get it ready to paint but it looks pretty good.




Disclaimer:
This web site and the infomation contained within it are for entertainment purposes only. The opinions expressed on construction techniques are my opinions only and should not be confused with proper construction techniques. There is undoubtedly more than one way to build an airplane and some methods that I use may or may not work in any given circumstance. If there is any question please call the kit manufacturer. I love to help but I am not responsible for the misuse of any information contained on this web site.



 March 3, 2016
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