Magnus Effect, else the
cost of re-rigging with hemp or wire rope, turnbuckles, toggles every ten years will sink you.
My retirement plan should have been Lieven Standaert's Aeromodeller2
Quote:
Search domain aeromodeller2.be
The Aeromodeller2 is a design for a zero-emission, autonomous, nomad hydrogen-based airship that will never land. The ship regenerates its fuel, creating hydrogen from wind power and the rain on its skin. When it depletes its energy reserves, the ship drops anchor and rests, in order to replenish its energy in a renewable way.
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www.lowtechmagazine.com/.../gipsy-zeppelin-baseship