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Hi-Performance and Sailplanes RC hotliners, electric pylon racers, F5B, F5D, sailplanes and gliders

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Old 09-14-2011, 04:24 AM   #1
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Default Repair Radian and other foam aircraft

How do you repair a chunk missing out of the wing or other parts. Can you just cut a chuck from a piece of styrofam and glue it in and sand it?

If so the fit will not be perfect. Is there a filler that would work with these type of planes?

Thanks
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Old 09-14-2011, 04:31 AM   #2
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I use white gorilla glue, and light spackle.

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Old 09-14-2011, 04:43 AM   #3
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Depends on the dent, hole, cut..goulge? I have had great success with four products: FIRST..clean the area of dirt and particles.

Gorilla glue, spray a little water mist on the part you want filled..place this glue in the part where the chunk came out...it will foam up and you can work it with a popsicle stick or balsa stick...work it so its taking the same shape. Dont get concerned if the glues expands beyond the hole. Once dry you can cut access away and then sand to a nice smooth surface. This very light stuff.

Plummers foam in a can: Spray the foam in the area that was damaged, again this will expand fast...be easy on the foam. let it dry completely, take a sharp razor and trim off the excess, then sand and paint. This is good for filling large gaps, the bad thing is, once you use it..the can is no good for saving. Fill as many dents and holes as possible. http://www.touch-n-foam.com/maxfill.php

If your near ocean..you can go to the surf shop and get UV filler. This product is for filling dents and "chunks" on surfboards, I have used this on planes as well. Follow the directions..you must use this indoors..it cures very fast in the sun in less than a minute. Sand it..paint it...if its not exactly right apply more indoors, shape it..and run outdoors in the sun again...boom its hard as fiberglass. http://www.amazon.com/Ding-All-Fille.../dp/B003GX80IW

Bondo (for auto repairs)
http://3mcollision.com/products/feat...ndo-online.com
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Old 09-14-2011, 06:16 AM   #4
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Thanks everyone I will post later with results.
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Old 09-17-2011, 06:23 AM   #5
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Thanks for all the ideas which I am sure I will use over time. For now the white gorilla glue and spackle worked great. Thanks taildragger091.

I had never used gorilla glue and it sure is ideal for a foam aircraft. Dave
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Old 09-18-2011, 11:06 PM   #6
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I also use toothpicks with the Gorilla glue. Holds everything in place, when it's dry just clip them off and spackle.

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Old 09-19-2011, 04:21 AM   #7
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I used T pins and left them in for about two hours. The tootpick idea is even better in some places thanks.
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