James is right,
I worry about longevity,
You need more lead to get down,
They float, we used them for deco gas down the Mount once.
I would never own one or two.
Jeff the Darwinian.
At 14:37 13/02/01 +1100, James Dibbs wrote:
>    Stefan,   You  can buy these things in Australia. They are 300 bar 6l
>cylinders with a thin  metal inner shell that has been wrapped with kevlar.
>I have not used them but  I'm told they are very light to carry around. I
>assume this translates to much  more buoyancy in the water.   The  same (or
>very similar) tanks are used by the fire brigade.    They  have only
>recently been approved for in water use. Something about salt crystals 
>getting in between the fibres and sawing away at them.   Personally I would
>not bother.    Firstly because of the pressure. Most dive shops cannot pump
>to 300 bar  and those that do either charge too much for it or fill the
>tank so fast you  lose most of the pressure when it cools down (not to
>mention the stress on your  gear, orings, etc).   Secondly I don't think
>they would last very long being scraped through  rusty metal holes in
>wrecks.     Regards   James  Dibbs Sydney, Australia 
>>     -----Original Message-----
>>From: Stefan Bolka      [mailto:sbolka@er*.co*]
>>Sent: 13 February 2001 10:12      AM
>>To: GUE Mailing List
>>Cc:      techdiver@aquanaut.com
>>Subject: Tank question
>>
>>       BTW thanks to everyone about the fins      question.           So
>>I was talking with my Girlfriend's father,      and ex-fireman, about
>>scuba and he asked me a question that I thought to put      to the list. 
>>            Does anyone have any insight on this?           Thanks as
>>always,     Stefan.
> 

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