Toy sailplane

Details Toy sailplane Toy sailplane

1981-08-25

1983-06-21

Yu, Mickey

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 35R, A63H 2700

Patent

active

043887775

ABSTRACT:
A toy sailplane having a single piece sweptback wing that is symmetrical with respect to a central plane is disclosed. The wing has a central nose and two leading edges extending in obtuse angular relation from the nose. The wing includes a wing tip portion located at the end of each leading edge that is upwardly directed to provide flight stability. The wing also includes a trailing edge extending between the tip portions. A weight is suspended from the wing at a location on the central plane intermediate the nose and the trailing edge, the weight preferably being longitudinally adjustable to vary the center of gravity of the sailplane and the angle of attack of the wing.

REFERENCES:
patent: D149666 (1948-05-01), Northrop et al.
patent: D257634 (1980-12-01), Miller et al.
patent: 1924651 (1933-08-01), Richter
patent: 2441758 (1948-05-01), Garbell
patent: 2784524 (1957-03-01), Jackle
patent: 4068810 (1978-01-01), Malewicki
American Modeler, Apr. 1958, p. 11, Sketchbook.
Aviation Dictionary and Reference Guide, 3rd Ed. 1951, p. 239 Aero, Pub., Inc., L.A., Cal. "Washin" and "Washout".

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