Mailing List Archive Mailing List Archive
On Thu, 12 May 1994, Alan Wright wrote: > > > The main danger of this is that the snorkeller will do a breath-hold ascent > > > after breathing from a scuba set at depth. > > 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 :-)] Right, still breathing from the regulator... (DV to you). NOT releasing the regulator and swimming around HOLDING YOUR BREATH. > > 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? No, I never hold a lungfull of compressed gas while swimming underwater. Your message seemed to imply (to Amercian readers) that these surface supplied divers are releasing their mouthpieces and swimming around holding their breath. > 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. Were they breathing continously from the cylinder, or taking a breath, holding it, and swimming around? If they were holding their breath, they risked lung-overexpansion injuries. -dan
Navigate by Author:
[Previous]
[Next]
[Author Search Index]
Navigate by Subject:
[Previous]
[Next]
[Subject Search Index]
[Send Reply] [Send Message with New Topic]
[Search Selection] [Mailing List Home] [Home]