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Old Jul 24, 2014, 04:29 AM
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Bangkok
Joined Jul 2003
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Help!
Silicone hinge need advice

I have balsa fully sheeted wings and want to do a silicone hinge.

Should I silicone onthem before covering with monocote or after covering?

Thanks,
Piyarost
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Old Jul 24, 2014, 05:26 AM
turn, turn, turn.
Athol, Massachusetts
Joined Oct 2005
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Quote:
Originally Posted by Piyarost View Post
I have balsa fully sheeted wings and want to do a silicone hinge.

Should I silicone onthem before covering with monocote or after covering?

Thanks,
Piyarost
after for me
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Old Jul 24, 2014, 06:25 AM
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Silicone works great on molded and bagged ships, but I would recommend 3M clear plastic tape if you are using monokote.

Marc
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Old Jul 24, 2014, 06:39 AM
Red Merle ALES
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United States, Mt, Helena
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Quote:
Originally Posted by R.M. Gellart View Post
Silicone works great on molded and bagged ships, but I would recommend 3M clear plastic tape if you are using monokote.

Marc
Scotch 3M 600 that I get at the big box stores.
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Old Jul 24, 2014, 07:51 AM
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Ireland, County Kerry, Kerry
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If you silicone after covering, the hinge strength will rely totally on how well the film remains stuck to the frame. I therefore apply silicone to the frame before covering.
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Old Jul 24, 2014, 01:45 PM
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United States, CA, San Jose
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I use Goop/Shoo Goo/PFM type glues, but same technique.
I have gliders...some fast, some slow. I don't have any giant/heavy power planes. The glue sticks fine to Monokote. During crashes/mid-airs, I've had the glue separate from the Monokote, but only with lots of other damage. During flight loads, I've not had a failure. I've gone as narrow as an 1/8" width of glue on each side (for total width of 1/4") to see how small I can get away with (it's pretty small).

The advantage is that it won't loosen up like tape. Tape is messy as it ages poorly, and can be hard to clean up...did I mention they loosen up and need lots of re-application?

If I had a large scale, heavy, fast plane, I might use the glue right to the wood and cover it after...
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Old Jul 24, 2014, 04:49 PM
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This is what I am talking about, the above tape is cellophane. This tape has great tack, can b removed, and does not get brittle like mylar. I get it at Ace Hardware around here, there are colors too, but clear is the best.

Marc
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Old Jul 24, 2014, 04:56 PM
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That IS great (the best?) tape, for sure...but i still like "silicone hinges" better
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