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In the intermediate steps the low window stops are better effected by increasing the gradient. The stops go parabloic back onto themselves if you extend them unnecesarily, as per the standard formulas. The back gas breaks are not shown as they are included in the deco stop times. The biggest break was 20 minutes on back gas as part of the 52 minute 50 foot stop and the 12 on 6 off oxygen at 30 feet. By the way, the dive broke the old 18,065 distance record, only this time it was just Jarrod and myself, so now we know out two man system works wuite well. We had only 130 minutes left our my fourth scooter and a full fifth scooter when we hit the end of the line at 18,065. I swam this morning to work out and to check my condition. My mile times were a steady 22.5 minutes per mile in fresh water , same as before the dive. Mcinnis, Don wrote: > > Jeez George, when are you going to do a real dive? Seriously, I have two > questions on the deco profile. > > 1. Is the longer time at gas switches and decreasing times at most of the > higher stops on that mix (on the deeper stops) to open up the O2 window and > diminishing returns on the way up or is there something else? > > 2. Are the breaks from deco gas to back gas or the previous deco mix? > > Thanks in advance for the info. Don > > -----Original Message----- > From: trey@ne*.co* [mailto:trey@ne*.co*] > Sent: Monday, April 03, 2000 4:28 AM > To: wkpp@eg*.co*; quest@gu*.co*; techdiver > Subject: correction Re: Deco For This Weekend's Dive > > This should read 460 deco , not 470, and the bottom time should be 6:10, > not 6:20 - the othetr ten minutes was getting down to 240, checking the > gear, and switching from 18X40 to 10x60, flushing out the rebreather, > etc. > > Trey wrote: > > > > Bottom Time 370 minutes ( six hours twenty minutes ). Profile 285-300. > > Gas 10.5 X 60, deco gasses 18X40 from 240 to 180, 21 X 35 from 180 to > > 130, 35 X 25 from 120, 50% from 70, O2 at 30 ( in trough ), 50% from > > trough to surface. > > > > 240 5 > > 230 2 > > 220 4 > > 210 4 > > 200 5 > > 190 5 > > 180 5 > > 170 10 > > 160 10 > > 150 10 > > 140 10 > > 130 10 > > 120 20 > > 110 16 > > 100 14 > > 90 12 > > 80 10 > > 70 25 > > 60 20 > > 50 52 > > 40 35 > > 30 150 > > 30-20 10 > > 20-0 16 > > TOTAL 470 > > RUN TIME 14 HOURS > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: quest-unsubscribe@gu*.co* > > For additional commands, e-mail: quest-help@gu*.co* > > -- > 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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