Model jet helicopter with solid-circular rotor blade

Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and fluid sustained

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Details

244 34A, 244 39, 244 1711, 244 1723, 244 6, B64C 2722

Patent

active

051902427

ABSTRACT:
An elongate helicopter body including an orthogonally mounted rotatable and pivotally positionable rotor shaft fixedly mounting a solid, annular, convex blade member defined by a parabolic convex curve and terminating in an annular rim, wherein the rim is aligned generally orthogonal to the rotor shaft. Propulsion is provided by an enclosed CO2 cartridge, or alternatively a propulsion propeller in alignment with the body of the helicopter. Modifications of the instant invention include a lift propeller mounted underlying or overlying the solid blade and is of a generally equal diameter to that defined by the blade.

REFERENCES:
patent: D232183 (1974-07-01), Reed
patent: 996366 (1911-06-01), Roberts
patent: 1877902 (1932-09-01), Kuethe
patent: 2036011 (1936-03-01), Barrett
patent: 2611557 (1952-09-01), Donovan
patent: 2638707 (1953-05-01), Baker
patent: 3072197 (1963-01-01), Stahmer
patent: 3129905 (1964-04-01), Taylor
patent: 3253805 (1966-05-01), Taylor
patent: 3351304 (1967-11-01), Stein et al.
patent: 4301981 (1981-11-01), Hartt
patent: 4307856 (1981-12-01), Walker
patent: 4312483 (1982-01-01), Bostan

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