227g canister: 227/0.054548 = 4,161.491 sec / 60 = 69.358 min / 60 = 1.156 hours Note: this is the run time to achieve boiling pots of water Another way to look at it, min/max run time. Least efficient was at 1/2 turn. 450/0.074763 = 6,019.020104 sec / 60 = 100.317 min / 60 = 1.672 hours
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