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Old 12 February 2008, 21:14   #1
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GRP Fuel Tanks
Has anyone any experience of GRP fuel tanks, I had planned to have a metal under floor tank made, but my friendly local GRP fabricator has sugested that he could make one for less that would be just as strong and safe, he has made them for special vehicles before with no problems, I have never seen any mention of them on RIBS on here.
Richard
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Old 12 February 2008, 21:21   #2
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Yep. Do a search, there's stuff about them somewhere here.
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Old 12 February 2008, 21:24   #3
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Hi Rick
GRP fuel tanks are a big NO NO NO. If the fuel has ethanol in it even 10% it will gradually disolve the GRP. Big problem over here.
Regards. T
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Old 12 February 2008, 22:06   #4
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What about epoxy rather than polyester?
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Old 12 February 2008, 22:33   #5
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Quote:
Originally Posted by Matt View Post
What about epoxy rather than polyester?
Dunno but see report below

http://www.boatus.com/seaworthy/fueltest.asp#fiberglass
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Old 12 February 2008, 22:33   #6
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Yes ethanol in fuel is a problem but a lot of petrol stations have GRP tanks!!!
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Old 12 February 2008, 22:37   #7
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Report specifically refers to styrene & polyster.
I tried to google it but couldn't find anything specifically referencing ethanol & epoxy.

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Old 13 February 2008, 17:51   #8
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I've got a 200 litre one under the deck of my RIB.

Just have to remember what you have under the deck when your screwing things down
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Old 13 February 2008, 19:39   #9
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You can use a derakane resin to build the fuel tank. It is a vynlester resin and is a far superior resin to your standard polyester resins.
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Old 14 February 2008, 13:46   #10
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As a boat builder as far as we are aware you can only have diesel in a fibreglass fuel tank.
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