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Old 10 February 2003, 09:32   #21
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Quote:
Originally posted by Charles
Manos, why are you double posting everything?
Is a Greek thing LOLOL Sorry

On a more serious note I think the idea of fex durable tanks never crossed my mind. Yes I think that this is a VERY GOOD IDEA!!

Any way this is a photo of the boat with 130bhp configuration. You can see one of the tanks on the aft section.
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Old 10 February 2003, 09:49   #22
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I have a flexible bladder tank on Blue Ice - 70L capacity as well. Never used it yet but previous owner had it rigged so that it was connected to the fuel filter. The engine would burn the fuel from the flexi-tank first and when it was empty use the main tank. Supposedly set up to happen automatically but have never tried it in anger myself so can't comment!
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Old 10 February 2003, 10:11   #23
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Manos

Flexi tanks are OK, but they do tend to leak. If you do get some I wouldn't suggest using them for racing as I doubt that they would take the beating.

I would go for a well made stainless steel tank built in under the deck. Find someone who knows what they are doing and you'll be OK (don't just go to your nearest or cheapest general fabricator and expect them to do a good job!).

John
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Old 10 February 2003, 12:24   #24
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The particular ones I have seen and am acquiring have never leaked (used for racing, cruising etc.), plus one years guarantee.
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Old 10 February 2003, 12:24   #25
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Quote:
Originally posted by John Kennett
Find someone who knows what they are doing and you'll be OK (don't just go to your nearest or cheapest general fabricator and expect them to do a good job!)
I agree with you John. Will not go for the cheap option.
Is just that the Falcon team recommends to have plastic 3x70 ltrs on deck instead of SS in the hull. They are very persistant on that aspect.
Is so bloody confusing this. I have left all I had to do today at work and I'm just calling people asking about the bloody tanks
I guess we will get there somehow I hope!!
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Old 10 February 2003, 14:06   #26
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Nice boat Manos hope im on for a run in March.
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Old 10 February 2003, 15:14   #27
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SS tanks

Stainless steel tanks will crack if they are not properly supported. They will crack adjacent to the welds because there is substantial grain growth there formed during the welding. The same applies to SS A frames if there is flexing. And there usually is because SS is pretty springy. Next time you go to B & Q, dunt their SS railings and you'll see what I mean. If you have become familiar with a cracked SS product, you'll be able to see the large grain structure at the break.

Didn't Paul Lemmer burst a flexible tank when he raced for the record around Britain?

Some tank designers use the baffles to prevent the tank flexing rather than just to prevent the fuel surging. Therefore, there is considerable load on the tack welds holding the baffle.

Tank baffles should be horizontal not vertical.

JW.
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Old 10 February 2003, 15:30   #28
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Re: SS tanks

Quote:
Originally posted by jwalker
Stainless steel tanks will crack if they are not properly supported
As will most tank materials. The installation is at least as important as the manufacture of the tanks.

John
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Old 10 February 2003, 15:32   #29
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Quote:
Originally posted by crazyhorse
Nice boat Manos hope im on for a run in March.
The new one is in blue like the 'NO LIMIT TOO' but jazzed up a bit with some VERY cool graphics on it LOLOL
(who said anything about boyzzz racers??? ) LOLOLOL
and you have always a place on board any time CH!!
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Old 10 February 2003, 15:40   #30
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Re: SS tanks

Quote:
Originally posted by jwalker
Stainless steel tanks will crack if they are not properly supported
As far as I understand it when the SS tank is inside the hull it should be realy tightly enclosed otherwise it may buckle or crack under the extreams (of say a race).
I have talked to many people this morning and my assumption is that if the final decision will be to use tanks on deck to use plastic 70 or 100 ltr tanks.
The idea of SS tanks under deck have to admit does not appeal that much to me but is still under consideration (I'm suppose to be receiving a stress test result from one manufacturer of SS tanks to compare it with one I've got for plastic).
Will post it when (IF) I'll get it.
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