The XH-51A helicopter was developed as an experimental vehicle designed and built by the LOCKHEED-California Co. under a joint U.S. Army-Navy contract to explore the potential of the rigid rotor system. This 4000-pound XH-51A helicopter had fixed wings and an auxiliary jet engine in addition to rotor blades. This basic helicopter was converted to a compound helicopter configuration by installing a 70-square-foot wing and a J-60 jet engine to supplement rotor lift and thrust respectively.
Engine used in this aircraft was Pratt and Whitney J-80-2P, 2000# thrust.  
Fuselage and main rotor of XH-51A Compound helicopter in photo.

Photo by Gene Munson from Army Aviation Museum at Fort Rucker.

Source: Papers presented at VFS (then AHS) Annual Forums 19, 21 and 24.

Lockheed XH-51A Compound

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The XH-51A helicopter was developed as an experimental vehicle designed and built by the LOCKHEED-California Co. under a joint U.S. Army-Navy contract to explore the potential of the rigid rotor system. This 4000-pound XH-51A helicopter had fixed wings and an auxiliary jet engine in addition to rotor blades. This basic helicopter was converted to a compound helicopter configuration by installing a 70-square-foot wing and a J-60 jet engine to supplement rotor lift and thrust respectively.
Engine used in this aircraft was Pratt and Whitney J-80-2P, 2000# thrust.
Fuselage and main rotor of XH-51A Compound helicopter in photo.

Photo by Gene Munson from Army Aviation Museum at Fort Rucker.

Source: Papers presented at VFS (then AHS) Annual Forums 19, 21 and 24.

 

Added to Lockheed XH-51A Compound and categorized in 2 months ago

 

License: Creative Commons Attribution-ShareAlike

 

Canon Canon EOS Rebel T6i 1/30s ƒ/3.5 ISO400 18mm — More Exif data

  • Manufacturer Canon
  • Model Canon EOS Rebel T6i
  • Exposure Time 1/30s
  • Aperture ƒ/3.5
  • ISO 400
  • Focal Length 18mm
  • Resolution Unit inches
  • Orientation Horizontal (normal)
  • Exposure Program Program AE
  • Metering Mode Multi-segment
  • Flash No Flash

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