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Old Jan 05, 2012, 01:52 PM
heliwill10 is offline
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Greensburg, PA
Joined Feb 2008
631 Posts
I'm a hinging expert! not really!

Get yourself some 1.7oz kevlar and cut it about 2in wide just about where your hinge will be. If its an aileron start with the cuts on the bottom.

Make on cut down to the kevlar, use a fresh razer blade. I use almost 3 a hinge. Go slow and you will be able to hear/fell when your at the kevlar.

Make another cut behind that toward the TE (gap for down movement). Just cut enough to remove the skin down to foam, etc.

Now you can bend the control surface a bit and mark on top where the hinge is. This is where you want to lightly scratch the kevlar with a file, not to much. Now start to work the control surface back over itself.

Sand the foam away to create the triangle that will allow it to move down. And finally very lightly sand the kevlar where is bening until it moves freely.

hope that helps!
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