"Backing into" the gas plan

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WesTexDiver:
Very nicely done, that looks like teachin material there, but a 30 SAC = Holy Gas Hog Batman!
Reread the post. It was qualified with psi and an AL80 tank.
 
cummings66:
Reread the post. It was qualified with psi and an AL80 tank.


I know heh. The last time I used an AL80 ~ 3000psi was in cold water and I just redid the math on the 3 dives I did to make sure and my SAC was ~ 15.8.
 
Great way to plan.
I found these formalae on the Web. They're in .pdf format. I'm sure a lot of people alreayd know/have them. I can't remember where I found them, nor do I know who published them. I DO NOT KNOW IF THEY'RE RIGHT!
Steve

Edit: I can't get it to upload. PM me if you want them.
 
https://www.shearwater.com/products/swift/

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