Device and method of control of fixed and variable geometry...

Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils

Reexamination Certificate

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Reexamination Certificate

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07131611

ABSTRACT:
Provided is an aerodynamic body having rhomboid wings and internal torsion bars which can be twisted to affect a change in the shape of a wing. Individual or multiple swings can slide relative to the fuselage body to affect a change in sweep angle and aspect ratio. Provided is a method of controlling the aerodynamic properties, in order to affect stability and maneuvering, of an aerodynamic body by warping the wings by twisting one or more torsion bars located internal to one or more wings. Additional control can be exercized by sliding one of more wings relative to the fuselage to change the sweep angle and aspect ratio.

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“Spherical Joints”, www.thk.de/pdf/BL-300E.pdf, pp. 1-10 (date Jun. 15, 2004 from www.archive.org).
Ferman, Marty Allen, “A Modern Approach to Wing Warp for Aircraft Control,” Presented at the EAA Air Venture 1998, Osk Kosh, WI, Jul. 29-Aug. 4, 1998.
Ferman, Marty Allen, “Use of Torsion Bars for Twist, Air Loads, and Control of Fixed and Variable Geometry Rhomboid Wings,” Presented at the EAA Air Venture 2004, Osh Kosh, WI, Jul. 27-Aug. 4, 2004.

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