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General Chat (Vincent Related)
fibre glass tanks
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<blockquote data-quote="timetraveller" data-source="post: 21201" data-attributes="member: 456"><p>As the person who will be making the tanks for Norman and Roger I can tell you that this is a minefield. The Crystic resin is certainly the correct resin, the problem is what, if anything, to put inside it. I spent a couple of hours yesterday morning Googling around in order to check which, if any of the tank liners had been used with long term success with GRP. It makes very sobering reading. At one stage I ended up reading stuff which had been published on this Forum from some time ago where people were extolling the virtues of various sealers only to have the whole lot fail in about a year. As so much in life it pays to do it right, rather than to do it quickly, and we have to be sure that if any tank liner is used it is going to stand up to 15% ethanol. The other thing with the resin is that it has to be cured at slowly increasing temperatures up to the maximum temperature it will experience in use. This curing process can take days! Anyone know what the temperature is at the bottom of a petrol tank above a very hot Vincent engine in slow moving traffic in some of the hotter parts of the world? If you, or a friend, is a supplier of tank liner material and are prepared to guarantee that it will not delaminate of otherwise fail for at least 10 years then please let me know.</p></blockquote><p></p>
[QUOTE="timetraveller, post: 21201, member: 456"] As the person who will be making the tanks for Norman and Roger I can tell you that this is a minefield. The Crystic resin is certainly the correct resin, the problem is what, if anything, to put inside it. I spent a couple of hours yesterday morning Googling around in order to check which, if any of the tank liners had been used with long term success with GRP. It makes very sobering reading. At one stage I ended up reading stuff which had been published on this Forum from some time ago where people were extolling the virtues of various sealers only to have the whole lot fail in about a year. As so much in life it pays to do it right, rather than to do it quickly, and we have to be sure that if any tank liner is used it is going to stand up to 15% ethanol. The other thing with the resin is that it has to be cured at slowly increasing temperatures up to the maximum temperature it will experience in use. This curing process can take days! Anyone know what the temperature is at the bottom of a petrol tank above a very hot Vincent engine in slow moving traffic in some of the hotter parts of the world? If you, or a friend, is a supplier of tank liner material and are prepared to guarantee that it will not delaminate of otherwise fail for at least 10 years then please let me know. [/QUOTE]
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fibre glass tanks
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