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Old 14 May 2004, 15:35   #11
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Daniel, we have just found a 5 hole blanking plate but the gasket has gone awol, your welcome to it if you want. Its probably Stainless Steel and free.

Alternatively have a look in the Vetus catalogue.

Pete
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Old 15 May 2004, 15:06   #12
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Don't use hylomar blue in contact with petrol ad it will dissolve it, forma gasket seems to be ok as is silicone but only if you let them cure before coming in contact with the fuel. From bitter experience!
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Old 16 May 2004, 06:19   #13
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Quote:
Originally Posted by Mark Halliday
I think you mean "Hylomar". I think hypalon is used for something else. I know I have seen some somewhere.

You put it on very thinly to both sides of a gasket and let it go tacky before fitting. No chance of it dropping into the tank. If the mating faces are anyway near true it will seal the gasket. It is not a gasket substitute like Hermatite RTV.
Mark, thanks, you are quite corect, "Hylomar" is the correct stuff, and if it is good enough for fast attack helicopter fuel systems, it should be good enough for a fuel tank on a rib.
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Old 16 May 2004, 09:11   #14
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AvTur vs Petrol

Might be worth noting that Aviation Fuel (AvTur) and Petrol are quite different, and have different properties. Some sealants might work on aircraft, but not with petrol...

D...
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Old 17 May 2004, 04:11   #15
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Thanks for all the help guys.

Friday i 'phoned Osprey who said only they or their supplier could supply the gasket, but he knew exactly what it was and would get one to me ASAP.

I had decided to wait for that, but i missed going out in the boat so much over the weekend i might consider making one out of cork.

Pete, thanks for the offer of a blanking plate, but i am happy to put the gauge back in the hole, it's slightly more use than an inflatable dart board.
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Old 17 May 2004, 05:26   #16
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Quote:
Originally Posted by DGR
Might be worth noting that Aviation Fuel (AvTur) and Petrol are quite different, and have different properties. Some sealants might work on aircraft, but not with petrol...

D...
Good point D. Aviation fuel being kerosene based and petrol being....well petrol based. I checked the safety data sheet on it and it does say "effective in all hydrocarbon fuel environments", so I'm assuming it should be a good all rounder.

Well worth questioning tho.....wouldn't want to give duff advice.

Dave
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Old 21 May 2004, 10:23   #17
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Right, finally managed to kick some osprey arse this lunch time (they are clearly very busy people) and the only option seams to be a complete sender and gasket assembly! Still, quite a fair price at 25, arrives monday, i just hope it's the right damn flange fitting!

I think i am right in not trying to make one, there seams to be some degree of 'unknown' regarding what material is and is not petrol proof, and as we all know fuel problems at sea are unwelcome to say the least.
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Old 21 May 2004, 11:27   #18
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Quote:
Originally Posted by Daniel
Right, finally managed to kick some osprey arse this lunch time (they are clearly very busy people) and the only option seams to be a complete sender and gasket assembly! Still, quite a fair price at 25, arrives monday, i just hope it's the right damn flange fitting!

I think i am right in not trying to make one, there seams to be some degree of 'unknown' regarding what material is and is not petrol proof, and as we all know fuel problems at sea are unwelcome to say the least.
So you will be ready for a launch and sea trial soon then

Regards
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Old 24 May 2004, 11:41   #19
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I know it's a bit late to be useful to you Daniel, but aren't all fuel sender gaskets pretty much a standard now - 54mm bolt circle with 5 bolts?
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Old 24 May 2004, 11:44   #20
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Yep, it would appear all marine tank sender's are to this standard now, but (a) nobody seamed to know that when i started this thread and (b) you try getting just the gasket...from anywhere.

It arrived first class post Sat a.m. and was fitted Sat p.m. Top-Banana is back on the water now
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