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epoxy/fiberglass nitro tank

Old 06-04-2007, 07:29 PM
  #1  
kelly vallee
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Default epoxy/fiberglass nitro tank

I would like to know if I make a fiberglass tank with epoxy resin, will it resist the nitro? I know it works with kero.
Old 06-04-2007, 09:43 PM
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AlW
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Default RE: epoxy/fiberglass nitro tank

I think that you will be OK with nitro on epoxy resin. We raced Formula 1 airplanes for years using fuel containing up to 60% nitro which oftentimes got inside the epoxy resin glass fuselages and it did not seem to hurt anything except make an oily mess. You could do a simple test- mix up a little resin and put it in some nitro or whatever fuel you intend to use.
Good Luck,
Al Watson
Old 06-04-2007, 10:26 PM
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dclancey
 
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Default RE: epoxy/fiberglass nitro tank

Nope won't work. The alcohol will soften the epoxy and make it a gooey mess. You will need vinyl ester resin to make a fuel tank. Been there done that!
Old 06-05-2007, 06:02 AM
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Ed Smith
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Default RE: epoxy/fiberglass nitro tank

My experience is as dclancey describes except I had an epoxy fuselage go soft.

Ed S
Old 07-07-2007, 11:22 PM
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freakingfast
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Default RE: epoxy/fiberglass nitro tank

Kwik Poly is not the answer ether. I built a tank out of epoxy glass and coated the inside of it with Kwik Poly. Pour it in and slosh it around and when it sets up in about 5 minutes I put it in to an oven to cure at 150*. It looked as hard as a rock. First day it worked fine. It was fuel totally drained after that. Two days later after the first flight of the day the engine quit due to low fuel pressure ( a compromised tank) I had to quickly tear off the Ultra coat to get the fuel out of everywhere. The whole fuel tank was like a gob of salt water taffy. I think this stuff is a Polyurethane.

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