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FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
The nature of the proposed invention lies in the fact, that for the purpose of increasing lift and thrust at the wing tips are used propelling tops manus, consisting of feather-like vanes, made of synthetic material, with metal longerons. The vanes are arranged in fan-shape in one block executing reversive-torsional oscillations, transmitted by a helicoidal automat, consisting of a hinge jointed telescopic wing section longerons, power cylinders with supports on telescopic longerons and spring blocking of lingerons in the hoops of the cylinders. For transverse control ability of ornithoplane on its horizontal empennage are mounted side flaps, capable of being deflected in every side and kinematically connected with cable wire with slats.
Unedited rough draft trans of Russian patent no. 159407 (appl. no. 814470/40-23, 21 Jan 63).