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Carl Heinzl wrote: >SPARE AIR !!!! OH NO!!!!!!!!!!!!! What a useless piece of crap. Pony Hi Carl, I don't know whether you were joking or not but I think SPARE AIR has it's place certainly in recreational diving if not in deeper more equipment orientated diving. I bought a SPARE AIR a few years ago. I decided against a pony setup at the time because the SPARE AIR was a lot less bulky and convenitent. Most dive charter boats have tank racks and I decided that a tank mounted pony bottle would make my setup difficult to stow. The pony could by slung on the front of my BC but would, IMO, get in the way a lot not to mention be yet another thing to get tangled up in lines, kelp etc. The upshot of which would be that I'd probably leave it behind when I most needed it. I have breathed of the SPARE AIR for over 6 minutes at 5-6 metres (not because I was out of air just to test it) so I'm sure there is adequate air to at the very least make a reasonably controled ascent from 18 or so metres or better still get to a buddy (if you have one). Obviously I am speaking from the point of view of recreational diving within normal openwater limits (I'm assuming people on this list don't just make deep "tech" level dives). Simon "..fear creates it's own reality." - Simon L Hartley Kryton (programing time gauntlet): "...all that remains is for me to go back in time and sacrifice myself so we can get ourselves into the mess were in now... ...all in all todays been a bit of a bummer hasn't it sir!!" ----------------------------------------------------------------------- Simon L Hartley o o Oo o Associate Lecturer in Resource Technology oo o o Faculty of Resource Science and Management o oo _____ o oo Southern Cross University o (_/-\_) oo P.O. Box 157 ===(S) o Lismore NSW, Australia 2480 Ph: (066) 203 251 or (61 66) 203 251 Fax:(066) 212 669 E-mail: shartley@sc*.ed*.au* -----------------------------------------------------------------------
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