I need reliable power source for my quadcopter project that will be able to run for at least one hour. High-end batteries are quite expensive and I need to find some alternative. I made some simple H fuel cells in school years ago, I'm thinking about stacking dozen or-so fuel cells into one cube. Ha…

Hydrogen fuel cell instead of battery

michinyon February 11, 2013, 11:07am 6

if you have hydrogen, make a balloon.

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