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Richie, the only reason I know this is from lobster diving - one too many and you're out of air. You must be cool, drop the weight belt and relax the big muscles, which means use your hands to swim until the bc takes hold, and then ride it up, rebreathing it like you said. Without gear, I can do a lot further than that. 100-120 you can do with out dropping the belt or doing anything funky- the gas in your lungs expands, and you can let it out, and that relieves the urge to breath. On Sun, 7 Jul 1996, Richard Pyle <deepreef@bi*.bi*.Ha*.Or*> wrote: > > >> to the sand, and the wreck sits upright, making it a 170 foot dive, or less, a >> depth from which free ascent is possible > >What planet are you from? Technically, you are right. Hell, some guys can >get all the way down to 400 feet and then make a free ascent all the way >up. However, in the real world of Scuba, anyone who has actually had to >make a free ascent knows that even 60 feet is a hell of a stretch. Deeper >than that you need to rebreathe off the BC. > >Nevertheless, I agree that "naked with the magic stone" is a valid diving >configuration in many cases, including the dive you described. > >Rich > >
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