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Old 06 April 2009, 10:03   #31
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So we are agreed that hydrogen isn't really a viable fuel for a rib at the current time!
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Old 06 April 2009, 10:47   #32
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Or gas!
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Old 06 April 2009, 10:48   #33
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Quote:
Originally Posted by willk View Post
hmmmm, high pressure tubes maybe?

.. just kiddin
As an aside - why couldn't normal fuel ( petrol etc ) be carried inside the tubes ? The flexible tanks AVON sell are hypalon I think ? Just stick one insude each side with its own connector ? Its protected from damage by the 'standard' part of the tube, deosnt affect bouyancy if its fitted right & uses all that 'free' space we drag around with us - oh its lighter than water to (just not as light as air !) so still helps us float - ( ok that bit is a bit open to question)
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Old 06 April 2009, 10:51   #34
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Not sure how the small pressure inside the tubes would affect it.
The fuel bladders are good and usually laid between the deck and tube so you don't lose much space anyway.
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Old 06 April 2009, 10:59   #35
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Was thinking more to increase capacity . I guess the tube pressure would almost give you a self priming system - but you may need to deflate the tube to fill the flexi tank inside the tube otherwise you'd need a pressurised fueling system !

I'm sure someone has done it somewhere - realised its just not worth it moved on - or maybe they haven't & I am,despite apperance, a genius !
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Old 06 April 2009, 11:10   #36
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I think Bombard or someone did it before in a Zodiac non rigid across the Atlantic.

It would be a problem on a RIB because most of the tubes are out of the water - there would be a hell of a lot of unsuported weight. Probably get away with it in the aft chambers. A SIB wouldn't be a problem though.
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