VTOL aircraft

Details VTOL aircraft VTOL aircraft

2005-02-15

2005-02-15

Swiatek, Robert P. (Department: 3643)

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and helicopter sustained

C244S02300R

Reexamination Certificate

active

06854686

ABSTRACT:
VTOL aircraft comprising a first and a second ducted rotor positioned at the ends of a vertical fuselage and whose propellers are driven to rotate in mutually opposite directions. Control flaps for orientation and transverse flight are operatively associated at least to the lower ducted rotor.

REFERENCES:
patent: 2043704 (1936-06-01), McPherren
patent: 3128970 (1964-04-01), Tinajero et al.
patent: 3252537 (1966-05-01), Tarran
patent: 3584810 (1971-06-01), Velton
patent: 4037807 (1977-07-01), Johnston et al.
patent: 5575438 (1996-11-01), McGonigle et al.
patent: 0 661 206 (1995-07-01), None
patent: 1 331 306 (1963-07-01), None

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