Sheeting a Foam Core Wing
10-30-2002, 04:37 PM
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Sheeting a Foam Core Wing
I'm curious on how to sheet a foam core wing. What fiberglass do you use, do you use epoxy or contact cement. Wing press or vaccum bag. Wing tip creation. Everything that would go into the process would be helpful.
Thanks for the input,
Tom
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Thanks for the input,
Tom
[email protected]
10-30-2002, 06:21 PM
#2
Sheeting a Foam Core Wing
This is one of those things that seems more complicated than it is. I used polyurethane glue....worked great. Here is the article I used as a guide.
http://www.aerobatix.com/aerobatix/a...ond/index.html
It's pretty easy, give it a try.
Bob
http://www.aerobatix.com/aerobatix/a...ond/index.html
It's pretty easy, give it a try.
Bob
10-31-2002, 05:37 PM
#3
Sheeting a Foam Core Wing
What kind of wing are you doing? Does it have to be glassed? On my 14 foot gliders, I use 3m transfer tap, gives me the flex I want in the wing and will not let loose, Pattern I use a couple of other things. I have done one plne with glass. It was an airtronics kit and I did it per instructions. It was tough enough to hit baseballs, but heavier than heck. If you do glass, make sure and get it as light as possible.
10-31-2002, 05:57 PM
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Sheeting a Foam Core Wing
Clean the core and lightly sand off any bumps,what ever you will let the wing cure on must be flat or you'll have a bad wing,cut all groves for servo leads or anything else under the skin,I use a slow epoxy,gives me time to work,brush or smear it on the foam, then take a putty knife or credit card and remove as much epoxy as possible,lay the core back in the saddle, lay on the skin,put the top saddle on the add weigh,after epoxy has cured repeat other side,tip I cap with balsa,saw controls out cap with wood, different size planes need different size wood to hold hinges,or mark where hinges are going,drill holes and epoxy in dowels.
10-31-2002, 06:23 PM
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Sheeting a Foam Core Wing
It would be for a pylon racer. Just a 424 capable of around 120 mph. I got sick of Predators and I want to try something new, but all kits are balsa foam core, and I need to know how to do a wing.
10-31-2002, 06:29 PM
#6
Sheeting a Foam Core Wing
That doesn't need glass, will be lighter that way. Try this on some scrap to see if you like it. Take yellow wood glue, thin it with water, maybe some dye for color if you need it, paint it on the foam and wood, let it dry, then iron the sheeting on like monokote. don't get too hot, might melt the foam. I have done this many times. How I built all my pylon racers. It works really good. Make sure all surfaces are covered with a thin coat of the glue.
If you don't like that, use 3m 77 spray, but don't breath the stuff. It is really bad, but works well. Those are both really easy and stronger than heck.
If you don't like that, use 3m 77 spray, but don't breath the stuff. It is really bad, but works well. Those are both really easy and stronger than heck.
