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PADI does not teach any form of diving past 130' at this time, nor have they in the past. At 04:36 PM 12/9/97 +0100, Pedro Neves wrote: >At 18:44 09/12/97 +1100, you wrote: > > >"...PADI's standards are designed to teach no decompression diving to a >maximum of 40m, preferably 30m. This is the stated aim, and they do this >quite well." > > >"PADI's attitude as far as I've always experienced (as a diver and >instructor) has been that depths beyond 40m, decompression diving and >penetration beyond the natural light zone (technical diving?) are outside >the scope of what they teach. They also say that if someone wants to >venture outside these limits, tehy need to gain appropriate training, and >will refer appropriately" > >"...And I hope if PADI do embrace deco diving, they maintain a depth >>limit of no more than 50m for nitrox based gases. > > >I would like you to explain me a few things: > >1) How can you give limits for depht (30 to 40m) for dives on air, and >another limit for nitrox based gases (50m)? >Are you saying that when using nitrox you can dive deeper than using air? > >2) what nitrox based gases do you use for dives at 50m? According to my >calculation that would give an EANx23 (ppO2=1,38 bar at 50 m), and for that >depht, using the Buehlmann tables there is no possibility for no >decompression dives at 50m. > >3) Does the work envolved on mixing oxygen and air to blend an EANx23 >justifies the "safety margin"? > > >Thanks in advance > >Pedro Neves >-- >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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