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Old 07 December 2003, 16:45   #1
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Fiberglass Fuel Tanks

Anybody got any thoughts or experience with Fiberglass fuel tanks? Gelcoat to the inside for use with Petrol.
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Old 07 December 2003, 16:52   #2
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I think it was jwalker who gave a very concise reply on this subject a little while ago. I'll have a quick search...

BTW - I believe that as long as they're constructed of the correct material then they are one of the best fuel tank types.
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Old 07 December 2003, 17:31   #3
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OK I got it a bit wrong - but jwalker did post some info on "boatmad" a while ago as follows, which I understand relates to the glassfibre tanks he's constructed and fitted to his diesel engined Humber:
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Originally posted by jwalker
The resin used for these tanks is Neo Pentyl Glycol (NPG) resin. It has a very high number of cross-links in its structure. Consequently, the 'holes' in the structure are too small to allow most chemicals through. It is also heat resistant. I'm not sure of the molecule size for petrol and its additives in relation to the NPG 'holes'. There are two other resins which are even more chemical resistant, Bisphenol and HET acid. The bisphenol being better resistant to alkali.
Anyway, the big advantage of glassfibre over stainless steel is supposed to be the reduction in condensation.
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Old 07 December 2003, 17:32   #4
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ok, thanks a lot
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Old 07 December 2003, 17:34   #5
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No probs. Thank jwalker!

BTW Scorpions have GRP tanks. I thought mine was an s/s tank just well glassed in! D'oh!

Presumably you're asking because that's what Jason installs?
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Old 07 December 2003, 17:40   #6
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Yep. He had an 80 gallon tank there for me to see. Looked very impressive. And BIG. Mine will be 35 gallon.
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Old 07 December 2003, 17:40   #7
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Fuel tanks

Don't quote me on this but i believe Jason at Pro-sport uses this resin for his fuel tanks, maybe he could give you some info?
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Old 07 December 2003, 17:42   #8
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Nope, i been out there with him this weekend and seen his Fiberglass tanks.
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Old 07 December 2003, 20:06   #9
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Quote:
Originally posted by Richard B

Anyway, the big advantage of glassfibre over stainless steel is supposed to be the reduction in condensation.
Er, maybe.

My reasons; they are unlikely to crack, they can't rust and they should flex is a similar manner to the boat.

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Ribraff,
Don't quote me on this but i believe Jason at Pro-sport uses this resin for his fuel tanks

What resin? Was there meant to be a link?
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