large scale pinned hinges  
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large scale pinned hinges - 8/6/2002 7:58:56 AM   
2lo



Posts: 257
Joined: 12/12/2001
From: San Angelo, TX, USA
Status: offline 		What is the best method for installing pinned hinges into large control surfaces, with foam wings?
any insight would be 20/20
       Post #: 1

large scale pinned hinges - 8/7/2002 9:28:49 PM   
MinnFlyer



Posts: 19989
Joined: 4/22/2002
From: Willmar, MN, USA
Status: offline 		I use the GP Slot maching to cut the slots with. Then install the hinge with epoxy. If you want a little insurance, you can then drill a small hole through the control surface and hinge and epoxy in a round toothpick to lock the hinge in place.

_____________________________

Mike B.
AMA# 42400 www.gettingairborne.com

"Those are my principles. If you don't like them, I have others." - Groucho Marx

(in reply to 2lo)
       Post #: 2

large scale pinned hinges - 8/8/2002 4:34:30 AM   
2lo



Posts: 257
Joined: 12/12/2001
From: San Angelo, TX, USA
Status: offline 		MinnFlyer
Thanks, yes I agree the slot machine makes short work of it.
I'm putting together 29% AW edge, and the trailing edge of the wing wood material is only a 1/4" thick. Do I add extra material to the back of this before I glue it on? or will the epoxy be strong enough?
I ran a little quick test of my own. I glued one side of a hinge to a piece of 3/8" tristock with probond (polyurathane) let it set up. I can't pull it back out with out breaking the wood. that is with just half of the hinge being in the wood.
I'm just not sure about the 1/4" wood.
What do you think?

(in reply to 2lo)
       Post #: 3

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