Aeronautics and astronautics – Aircraft structure – Airfoil construction
Patent
1978-04-05
1980-04-15
Kelmachter, Barry L.
Aeronautics and astronautics
Aircraft structure
Airfoil construction
244153R, 244DIG1, B64C 314, B64C 322
Patent
active
041980190
ABSTRACT:
A flexible airframe flying wing, such as used for hang gliding, includes a central rib to which is perpendicularly connected two flexible spars. In turn, a plurality of floating ribs are releasably connected to the flexible spars, and extend generally parallel to the central rib. A flexible membrane envelops the central rib, the floating ribs, and the flexible spars in such manner as to bias the flexible spars in an arcuate configuration to define the leading edge of the flying wing. By virtue of the components thereof, and the flexible interconnection therebetween, the resulting flexible airframe flying wing is autostable and will adapt itself a various flight attitudes and conditions.
REFERENCES:
patent: 1220374 (1917-03-01), Stupar
patent: 1690362 (1928-11-01), DeWitt
patent: 3749338 (1973-07-01), Kinsey
Casella Anthony J.
Kelmachter Barry L.
Stallman Michael A.
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