Aeronautics and astronautics – Aircraft propulsion – Launching
Patent
1985-06-28
1987-07-07
Barefoot, Galen
Aeronautics and astronautics
Aircraft propulsion
Launching
B64F 106
Patent
active
046781439
ABSTRACT:
A launcher is provided for a remotely piloted aircraft that has a launch ramp mounted on a transport vehicle and a carriage which is accelerated up the ramp carrying the aircraft to be launched. The carriage is hauled along the ramp by a cable leading to and wound around a winch drum which is driven by a flywheel through an electromagnetic slipping clutch, the flywheel being first run up to speed by an electric motor coupled to it by a torque limiting coupling. A hold-back device retains the carriage at the lower end of the ramp until the cable tension has built up to a predetermined value, and a brake system decelerates and arrests the carriage at the upper end as the aircraft leaves. On a short transport vehicle, the length of the ramp can be reduced for travel either by making it telescopic or by arranging it to fold about a hinge.
REFERENCES:
patent: 1887528 (1932-11-01), Stein
patent: 1960264 (1934-05-01), Heinkel
patent: 2292374 (1942-08-01), Hagenbuch
patent: 2379267 (1945-06-01), Wilson
patent: 2413723 (1947-01-01), Maxson et al.
patent: 2727291 (1955-12-01), Hamblin
patent: 2923872 (1960-03-01), Fulton et al.
patent: 3154883 (1964-11-01), Gardella
patent: 3662729 (1972-05-01), Henderson
patent: 3837235 (1974-09-01), Peterson
patent: 4079901 (1978-03-01), Mayhew et al.
Jane's All the World Aircraft, 1974-1975, p. 546.
Barefoot Galen
Frazer-Nash Ltd.
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