Before any lighter-than-air undertaking is commenced, a sure and inexpensive source for a lifting-gas must be located. Helium, Hydrogen, Coal-Gas, Hot-Air, all of these come to mind. Let’s neglect Hot Air and Coal-Gas for more performant Helium and Hydrogen. Helium is expensive, and Hydrogen is inexpensive to obtain from water using Electrolysis. For the unmanned prototypes of the Aerial Canoe, we will use cheap Hydrogen, made at home.

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