Adjustable airplane appendages for wave drag reduction

Details Adjustable airplane appendages for wave drag reduction Adjustable airplane appendages for wave drag reduction

1978-07-14

1981-03-17

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Load accommodation

244130, 244137R, B64C 700

Patent

active

042562767

ABSTRACT:
Movable appendages or stores containers that are positioned controlled in regard to an airplane so as to approximate the cross-sectional area distribution of a minimum drag body of revolution through varied flight regimes of the airplane from take-off to landing and thereby obtain favorable interaction of pressure fields throughout such flight regimes and adjust the store increment on the locus of least drag points in deference to the teaching of the prior art to design the location and shape of such appendages in a compromise position for but one portion of an airplane's flight regime; i.e., normal cruise altitude and speed.

REFERENCES:
patent: 2936137 (1960-05-01), Kleminsky
patent: 3624833 (1971-11-01), Ricard
patent: 3737121 (1973-06-01), Jones
patent: 3940094 (1976-02-01), Kress et al.
patent: 4053125 (1977-10-01), Ratony
patent: 4139172 (1979-02-01), Miller et al.

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