Measuring and testing – Wind tunnel: aerodynamic wing and propeller study
Patent
1989-11-08
1991-09-10
Barefoot, Galen
Measuring and testing
Wind tunnel: aerodynamic wing and propeller study
244219, 244 75R, 52 211, G01M 900, B64B 346
Patent
active
050463586
ABSTRACT:
Deformable wall which is manufactured preferably from reinforced plastic includes least one closed cavity (2) and is arranged in the interior of the wall (1). A device (6) to change the cavity pressure is provided. The cavity pressure is decreased or increased to deform the wall (1).
REFERENCES:
patent: 3118639 (1964-01-01), Kiceniuk
patent: 3209719 (1965-10-01), Christopher
patent: 3601442 (1971-08-01), Orndorff, Jr.
patent: 3930626 (1976-01-01), Crosswell, Jr.
patent: 4784042 (1988-11-01), Paynter
Binder Burkhard
Hieronimus Beatrix
Wulf Rudolf
Barefoot Galen
Deutsche Forschuhgsanstalt fur Luft-und Raumfahrt F.V.
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