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Old Aug 02, 2011, 07:05 AM
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USA, TX, Grapevine
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One thought is to not run the spar all the way out to the tips and even taper the spar out on the ends. Then you can bring the two wing sides together to glue them together etc.
Like on these two planes here with rounded wingtips.
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Last edited by earlwb; Aug 04, 2011 at 06:33 AM.
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Old Aug 03, 2011, 09:29 PM
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Wilson, NC
Joined Aug 2009
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I stand the wing on end on a blank sheet of paper and trace the outline of the wing end. I then free-hand a trace inside this trace that is smaller by the thickness of the wing Coroplast. I then cut out the trace and cut it out of 2MM Coroplast. I glue it into the inside of the wing end using silicone automotive adhesive sealant after roughing up the inside surface with sandpaper. I have done it on 2 planes, but most of my planes are open at the ends. I run the flutes vertical.
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Old Aug 03, 2011, 09:32 PM
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Wilson, NC
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I stand the wing on end on a blank sheet of paper and trace the outline of the wing end. I then free-hand a trace inside this trace that is smaller by the thickness of the wing Coroplast. I then cut out the trace and cut it out of 2MM Coroplast. I glue it into the inside of the wing end using silicone automotive adhesive sealant after roughing up the inside surface with sandpaper. I have done it on 2 planes, but most of my planes are open at the ends. I run the flutes in the Coroplast vertical.
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Old Oct 01, 2011, 05:20 PM
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for flat wings kf foil type run a bbq wood skewer from front to back for each layer a couple mm in from the outside edge if that makes sence? makes tips stronger too
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Old Oct 13, 2011, 12:22 PM
jib
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Covington, WA
Joined Oct 2008
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I agree with Ernie about keeping it simple too, but the easy way to plug it is with a thin piece of foam.
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Old Nov 18, 2011, 04:02 PM
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I set my wing on a scrap piece of coro and traced the shape. I cut that peice loose. Then I marked what looked like 4mm inside the line. I cut that out and had to trim just a little but got it fit inside the wing and used thick C.A. to hold it in place.

I doubt it made any difference but I am anal.
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