Dan Nafe wrote: > > The main danger of this is that the snorkeller will do a breath-hold ascent > > after breathing from a scuba set at depth. > > Yeah, no joke, pal. Are you crazy? Do you think someone would actually > sell this sort of system?. It isn't a special system. Take any old cylinder, attach a regulator and drop it in the sea. Put on a mask and snorkel, and jump in. [Similar to what I with your kit, Barrie :-)] I'm not advocating it - only describing it. Didn't this come up on rec.scuba last year after a spurious cross post from alt.nude.[something]? > Divers swimming around holding compressed air > in their lungs, that is crazy Isn't this what we do every time we dive? Or am I the victim of some serious sarcasm here? A commercial diving friend told me a story of two of his workmates who were on holiday in the Mediteranean. They took their kit down to 30m (100ft) and tied one set to each end of a wreck. They then proceded to dive around the wreck in mask, snorkel and fins. Alan
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