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VTOL ROTOR WING DRONE AIRCRAFT

  • US 3,794,273 A
  • Filed: 09/25/1972
  • Issued: 02/26/1974
  • Est. Priority Date: 09/25/1972
  • Status: Expired due to Term
First Claim
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1. An aircraft, comprising:

  • an airframe having aerodynamic control surfaces thereon;

    a wing mounted above said airframe for rotation about a substantially vertical axis;

    said wing having a center body and three radially extending airfoil sectioned arms, each pivotally attached to the center body for pitch change motion about a substantially radial axis;

    control means coupled to said wing arms for pitch change operation thereof;

    means for locking said wing with one of said arms extending longitudinally forwardly over the airframe;

    a beam mounted below said wing for limited rotation, relative to said wing, about the wing rotational axis, and having oppositely directed propulsion nozzles at opposite ends thereof;

    actuating means for moving said beam between a fixed wing position in longitudinal alignment below said one wing arms, and an offset position clear of the wing arms;

    a power souce of compressed gases mounted in said airframe;

    gas conducting means connected to said power source, including a rearwardly directed tailpipe and a branch duct communicating with said nozzles; and

    a diverter valve in said gas conducting means for directing gases slectively to said tailpipe and said nozzles.

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