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>Now put theory aside and apply some common sense. Consider a possible >consequence of being dogmatic about deepest dive first: Diver nature >being what it is, this encourages actually diving deeper on the first >dive, at least dropping down briefly to click in a max depth, to preserve >one's options for later dives. Is this reasonable? Again, is there anyone >who thinks that it would have helped the diver in this incident to have >dropped down to 70 feet rather than staying at 45 on her first dive, other >things being equal? If so I would be most interested in a physiological >explanation. > >Bill Mayne I agree with Bill. In this case, either dive was well within the limit. I don't think it had anything to do with the profile. I would be VERY VERY surprised that a diver with 8-year experience and frequent diving would have any problem/mistake with his/her bouyancy control to ascent 60-ft in 10 seconds!!! And not doing anything afterwards! Where was her buddy? >Her profile: first dive to 45 ft for 35 minutes > > 2-1/2 hr surface interval > > second dive to 60 ft for 35 minutes > >So, why did she get bent? > >1) She had intentionally dehydrated herself to avoid having to urinate >while diving her new neoprene dry suit. > >2) She was over weighted on the first dive, so she removed so weight. She >was under weighted on the second dive. When, on the second dive, she did >have to urinate, she started for the surface, lost control of her ascent, >and covered the 60ft ascent in about 10 seconds. > > At least she didn't hold her breath. >Oh yeah, she is a very experienced diver with 8+ years of safe/frequent >diving. > Really feel bad when you hear this kind story. Edward Wang (408) 433-7837 edwang@up*.ls*.co*
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