Mailing List Archive Mailing List Archive
Gentlemen;
>> >>> >
>> >>> > Tim O'Leary passed your "deco help" message and specifically a
>> >>> > request for a RGBM trimix schedule calculation for tmx16/50 at
>> >>> > 220 fsw for 20 minutes, with a switch to either 50/50 nitrox or
>> >>> > heliox at 70 fws, and pure oxygen at 20 fsw. For simplicity,
>> >>> > ascent and descent rates are 30 fsw/min. Notice deeper stops
>> >>> > within phase RGBM, and total times less than haldane of comparable
>> >>> > conservatism -- moderate conservatism in this case.
>> >>>
>> >>> We are in the process of publishing some trimx and helitrox
>>Tables
>> >>> for ranged mixtures. We have been diving RGBM schedules for awhile,
>> >>> here at LANL and NAUI Tec. We can do other schedules (within
reason, of course).
>> >>> >
>> >>> > Bruce Wienke
>> >>> >
>> >>> > dive number = 1 altitude = 0.00 ft
>> >>> >
>> >>> > RGBM Trimix Version
>> >>> > B.R. Wienke/Los Alamos National Laboratory
>> >>> >
>> >>> > --dive profile--
>> >>> >
>> >>> > surface breathed nitrogen = 0.79
>> >>> > manuever 1 depth = 0.00 fsw time = 0.00 min
>> >>> > manuever 2 depth = 220.00 fsw time = 3.67 min
>> >>> > manuever 3 depth = 220.00 fsw time = 20.00 min
>> >>> >
>> >>> > trimix = 0.50 helium 0.34 nitrogen switches = 2
>> >>> > switch 1 depth = 70.00 fsw helium = 0.00 nitrogen = 0.50
>> >>> > switch 2 depth = 20.00 fsw helium = 0.00 nitrogen = 0.00
>> >>> >
>> >>> >
>> >>> > --adjusted rc = 0.757 micrometer--
>> >>> >
>> >>> > - excursion to depth = 220.00 fsw -
>> >>> >
>> >>> > - time at inital depth = 20.00 min
>> >>> > --------------------------------------------
>> >>> > - stop - depth - wait - tissue - tension
>> >>> > - 1 - 160.00 - 0.00 - 1.67 - 172.60 -
>> >>> > - 2 - 150.00 - 0.00 - 1.67 - 170.42 -
>> >>> > - 3 - 140.00 - 1.00 - 1.67 - 154.86 -
>> >>> > - 4 - 130.00 - 1.00 - 3.33 - 144.95 -
>> >>> > - 5 - 120.00 - 1.00 - 3.33 - 137.43 -
>> >>> > - 6 - 110.00 - 1.00 - 3.33 - 130.02 -
>> >>> > - 7 - 100.00 - 1.00 - 3.33 - 122.69 -
>> >>> > - 8 - 90.00 - 2.00 - 6.67 - 111.32 -
>> >>> > - 9 - 80.00 - 3.00 - 6.67 - 101.33 -
>> >>> > - 10 - 70.00 - 1.00 - 6.67 - 92.39 -
>> >>> > - 11 - 60.00 - 2.00 - 6.67 - 78.04 -
>> >>> > - 12 - 50.00 - 2.00 - 13.33 - 70.31 -
>> >>> > - 13 - 40.00 - 3.00 - 13.33 - 61.52 -
>> >>> > - 14 - 30.00 - 4.00 - 13.33 - 51.56 -
>> >>> > - 15 - 20.00 - 5.00 - 26.67 - 40.14 -
>> >>> > - 16 - 10.00 - 9.00 - 26.67 - 30.29 -
>> >>> > ---------------------------------------------
>> >>> > - total time surface = 39.67 min
>> >>> >
>> >>> >
>> >>> > dive number = 1 altitude = 0.00 ft
>> >>> >
>> >>> > RGBM Trimix Version
>> >>> > B.R. Wienke/Los Alamos National Laboratory
>> >>>
>> >>> > --dive profile--
>> >>> >
>> >>> > surface breathed nitrogen = 0.79
>> >>> > manuever 1 depth = 0.00 fsw time = 0.00 min
>> >>> > manuever 2 depth = 220.00 fsw time = 3.67 min
>> >>> > manuever 3 depth = 220.00 fsw time = 20.00 min
>> >>> >
>> >>> > trimix = 0.50 helium 0.34 nitrogen switches = 2
>> >>> > switch 1 depth = 70.00 fsw helium = 0.50 nitrogen = 0.00
>> >>> > switch 2 depth = 20.00 fsw helium = 0.00 nitrogen = 0.00
>> >>> >
>> >>> - excursion to depth = 220.00 fsw -
>> >>> >
>> >>> > - time at inital depth = 20.00 min -
>> >>> > --------------------------------------------
>> >>> > - stop - depth - wait - tissue - tension
>> >>> > - 1 - 160.00 - 0.00 - 1.67 - 172.60 -
>> >>> > - 2 - 150.00 - 0.00 - 1.67 - 170.42 -
>> >>> > - 3 - 140.00 - 1.00 - 1.67 - 154.86 -
>> >>> > - 4 - 130.00 - 1.00 - 3.33 - 144.95 -
>> >>> > - 5 - 120.00 - 1.00 - 3.33 - 137.43 -
>> >>> > - 6 - 110.00 - 1.00 - 3.33 - 130.02 -
>> >>> > - 7 - 100.00 - 2.00 - 3.33 - 117.43 -
>> >>> > - 8 - 90.00 - 2.00 - 6.67 - 108.94 -
>> >>> > - 9 - 80.00 - 3.00 - 6.67 - 99.57 -
>> >>> > - 10 - 70.00 - 2.00 - 6.67 - 90.79 -
>> >>> > - 11 - 60.00 - 3.00 - 6.67 - 78.78 -
>> >>> > - 12 - 50.00 - 4.00 - 13.33 - 70.40 -
>> >>> > - 13 - 40.00 - 5.00 - 13.33 - 61.19 -
>> >>> > - 14 - 30.00 - 6.00 - 13.33 - 51.02 -
>> >>> > - 15 - 20.00 - 7.00 - 26.67 - 39.37 -
>> >>> > - 16 - 10.00 - 8.00 - 40.00 - 29.70 -
>> >>> > --------------------------------------------
>> >>> > - total time surface = 49.67 min
>> >>> >
>> >>> > total dives processed = 2
>> >>> >
>> >>>
>> >>>
>> >
>> >
>> >
>>
>>
>
--
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