Aeronautics and astronautics – Aircraft control – Airship control
Patent
1993-06-29
1994-09-20
Huppert, Michael S.
Aeronautics and astronautics
Aircraft control
Airship control
244 61, 244 30, B64B 158
Patent
active
053482549
ABSTRACT:
An airship of semirigid type including hydrogen which floats for a long period of time without supplying energy, and is for example in use for a relay station or a wide range observatory station. The airship is powered by a solar cell battery in the daytime and by a hydrogen engine in the nighttime.
REFERENCES:
patent: 1372925 (1921-03-01), Andersson
patent: 1802586 (1931-04-01), Stokes
patent: 3897032 (1975-07-01), Papst
patent: 4032085 (1977-06-01), Papst
patent: 4364532 (1982-12-01), Stark
Bidwell Anne E.
Huppert Michael S.
Lillie Raymond J.
Olstein Elliot M.
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