Ducted propeller aircraft

Details Ducted propeller aircraft Ducted propeller aircraft

1985-03-18

1987-04-14

Blix, Trygve M.

Aeronautics and astronautics

Aircraft power plants

Mounting

244 13, 244 67, B64D 2702, B64C 332

Patent

active

046572090

ABSTRACT:
A ducted propeller aircraft from which visibility is excellent and which is capable of operating quietly and efficiently has a propeller shroud which serves as a primary load path to pass bending and torsional stresses to which the mainplane is subject in use between the portions of the mainplane either side of the shroud, the shroud defining a duct which is unimpinged upon by any portion of the turbulent airflow emanating from the mainplane.

REFERENCES:
patent: 2623713 (1952-12-01), Foster
patent: 2992794 (1961-07-01), Boyd
patent: 2994493 (1961-08-01), Hartman
patent: 3017139 (1962-01-01), Binder
patent: 3194515 (1965-07-01), Cohan
patent: 3563500 (1971-02-01), Fischer
patent: 4013246 (1977-03-01), Nightingale
patent: 4043522 (1977-08-01), Vetter
"Aerokurier", Oct. 1979, No. 10, p. 1220.
Jane's 1981 Edition, "Fantastic Flying Machines", p. 89.
"Ducted Fans for Light Aircraft" by R. W. Hovey, published Oct. 22, 1973.
"Fanline: Tomorrow' Two-Seater?" by Mark Lambert, Flight International, Feb. 26, 1977, pp. 476-477.
Design for Flying, by David B. Thurston, pp. 161, 162 & 163.
Gas Turbines and Jet Propulsion for Aircraft, G. Geoffrey Smith, M.B.E., pp. 2, 7-9, 29-31.

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