Stefan, > On 23. May 2024, at 20:17, Disselborg, Stefan via subsurface > <subsurface@subsurface-divelog.org> wrote: > > 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” >
you forgot to tell us your settings for the ascent velocity. Without those I am not able to reproduce any of your numbers (but I am getting closer to the 90 than the 79 bar). Best Robert
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