Posted by mike on March 06, 2001 at 12:55:58:
In Reply to: Ok now where was i? posted by mike on March 06, 2001 at 01:09:19:
the Prodigy is not based on the USN tables, it's NDLs are derived from the Spencer-Haldane Alg. So the NDL for 60 fw is 55 min, the NDL for 50 fw is 78 min (lot less than 100 min for USN) and the NDL for 40 fw is 137 min (heck of a lot less than 200 min) so using the above dive as a hypothetical model, i should have used up 75% of my N-time instead of 64%, and looking at the graphic interface on my 'puter, the pixels should be right near the yellow caution zone, so i would be calling it a dive. Total time, 65 minutes, not counting a couple min for ascent and another 3 to 5 for a safety stop. 65 min at 60 ft, just going off the USN tables, would be a definite deco dive, and using the IAND tables, with their Buhlmann algorithm, would have me hanging for 11 minutes at 15 feet. Well? anyone? is this how it's done more or less?
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