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George is right. No need to make simple steps of prevention regarding cold water diving a high tech matter. Some suggestions for cold water diving: 1) Always use dry gases. Both compressor supplied and from storage tanks. The compressor is to blame in most cases for putting humidity in the tanks. Humidity in tanks will increase the risk for freezing as much as dehydration will for DCI. 2) As George have stated for years now. Turn down the IP of the first stages. Use equipment that works in cold water meaning slow inflators and regulators witch are meant to be used in cold waters. Some simply don't since they never was intended to. 3) Learn how to use the equipment in a cold environment. How to prevent freezing and how to deal with it when it occurs are important and the result will in the end be based on your preventive actions before the dive and your skill under water. take care, Richard Lundgren ----- Original Message ----- From: "Trey" <trey@ne*.co*> To: "Rich Lesperance" <richl@uf*.ed*> Cc: "Techdiver@Aquanaut.Com" <techdiver@aquanaut.com> Sent: Wednesday, October 10, 2001 12:20 PM Subject: RE: Does He prevents freezing? > > Rich, if these guys would try turning down the intermediate pressure of > their regs and using slow inflators instead of running them at ridiculous , > unnecessary pressures and huge flow rates, we would not be having this > ridiculous discussion in the first place. > > The amazing thing about "tech" divers is that the obvious and the basics are > way over their heads. That is why they get nothing done and have nothing to > report but accidents, clusterfucks, and bullshit. > > -----Original Message----- > From: Rich Lesperance [mailto:richl@uf*.ed*] > Sent: Friday, October 09, 3514 12:48 AM > Subject: Re: Does He prevents freezing? > > > To: techdiver@aquanaut.com > > The triple point describes the point at which the boundries of the liquid, > gasseous and solid phases meet on a graph of temperature versus pressure. > > > > All gasses cool as they expand, regardless of the "mix". None can heat up as > they expand - that violates a couple of major physical laws <g>. > > > > Rich L > > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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