Pitcairn XO-61

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Pitcairn XO-61
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Role Autogyro
National origin United States
Manufacturer Pitcairn Aircraft Inc
Primary user United States Army Air Forces

The Pitcairn XO-61 was an American autogyro designed by Pitcairn Aircraft. One of the last autogyros produced, in competition with the Kellett YO-60 and the Sikorsky R-4, it fell victim to cooling problems with its rear-mounted engine and the coming of the helicopter with its ability to hover.[1][2]

Also known by the company model number PA-44 and the contract designation MX-157,[3] the contract for the XO-61 was taken over by G&A Aircraft upon G&A's acquisition of Pitcairn Aircraft.[4]

See also

Aircraft of comparable role, configuration and era
Related lists

References

Notes
  1. Gregg, E. Stuart, "Above & Beyond: Jump Ship". Air & Space Smithsonian, March 2001
  2. Harris, Franklin D. An Overview of Autogyros and The McDonnell XV-1 Convertiplane, NASA/CR—2003–212799. NASA Ames Research Center, October 2003
  3. Cully, George & Andreas Parsch: MX-1 to MX-499 Listing, designation-systems.net
  4. Wings of Freedom Winter 2007/2008, Volume 22 Number 4, Delaware Valley Historical Aircraft Association.
Bibliography