Hello Subsurface Team,

i have following Dive in the Planer:

back gas:                      21%     D12 / 232 bar
Deco gas:                     50%     AL80
SAC:                                             20ℓ/min
SAC Factor:                               3,0
Problem solving time:            3min

➙

45m

15min

20min



➚

21m

5min

25min













— Minimum Gas (basierend auf 3,0xAMV/+3min@45m): 1.906ℓ/79bar

If i calculate:
+3min @ 45m * 60 ℓ /min = (3 * 5,5 * 60) = 990 ℓ
5min Δ 24m * 60 ℓ /min = (5 * 4,3 * 60) = 1290 ℓ  (4,3 = Average pressure from 
45m to 21m)

I have:
SUM:   2280 ℓ / 95 bar (D12)

Can somebody explain the calculation to get only “1.906ℓ/79bar”

Thanks

Best regards
Stefan

Stefan Disselborg
Karwendelstr. 1
82061 Neuried

Mobil +49 1520 9878525

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