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Curt, Look in Quest Magazine Vol. 1, No. 2 Winter/Spring 2000. There is an article on this by Mark V. Lonsdale. It might be on-line at Gue's website. Ken ----- Original Message ----- From: Curt Degler <cdegler@aq*.co*> To: <Jsuw@ao*.co*> Cc: <techdiver@aquanaut.com> Sent: Sunday, January 13, 2002 5:11 PM Subject: Re: Helmets for cave diving. What's the deal? > At 10:11 AM 1/12/02 -0500, you wrote: > >I have never done sidemount, so I can't speak to that, but I can say that > >I've seen a number of these discussions where one group or individual > >loudly says that DIR will not work in their environment, only to finally > >come to the conclusion that there is no reason it won't. Not only that, > >but it probably will streamline, simplify, and make safer what is done. > > In addition to rec, tech, and commercial diving there is a 4th variation > (and some will say there are more ) on being underwater called Public > Safety Diving. PSD itself has many incarnations, including swiftwater > rescue and recovery, but the main stem of this activity is recovery of > bodies and evidence in waters less than 60ft with visibility approaching or > at zero(blackwater), with a high potential for encountering unknown > obstructions underwater including masses of barbed wire and abandoned > vehicles, often in very cold and contaminated water. > > Painting with very broad strokes, the diving is performed by single divers > on SCUBA using back mounted single tanks and mounted, not slung pony > bottles, tethered and controlled by tenders, with two backup divers on the > surface, one ready to go. > > No buddies, no doubles, no DPVs, no reels, no cannister lights,no 7 ft > hoses, no wings, pockets instead of d-rings, etc. Not DIR, unless by this > term you refer only to a method of thinking. > > Reading the account of the form of cave diving performed by the Brits, in > very tight circumstances in zero viz it seems that what they are doing is a > lot more like PSD than 2 mile penetrations at 60 fathoms,(where DIR has > more than proven itself to be the method par excellence - no argument there). > > How would DIR configure the PSD diver? Is there a DIR form of PSD diving? > Who practices it and how are they confgured? And how would the DIR diver > configure himself in the sumps the Brit divers "stroke" through? > > > Change is often difficult to accept. A first step is admitting that > > there is room for improvement in what is currently being done. > > This is true. But can it be said does it apply to DIR itself especially > after those at the top of the DIR hierarchy have decided how it is to be done? > > Curt Degler > > > > > > -- > 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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