Ryan XF2R Dark Shark

The Ryan XF2R Dark Shark was an American experimental aircraft built for the United States Navy that combined turboprop and turbojet propulsion. It was based on Ryan Aeronautical's earlier FR Fireball, but replaced the Fireball's piston engine with a turboprop engine.

XF2R Dark Shark
Role Fighter
National origin United States
Manufacturer Ryan Aeronautical
First flight November 1946
Status Canceled
Number built 1 prototype
Developed from Ryan FR Fireball

Design and development
The XF2R-1 in flight.

The XF2R Dark Shark was based on Ryan Aeronautical's earlier FR Fireball, but replaced the Fireball's piston engine with a General Electric T31 turboprop engine driving a 4-bladed Hamilton Standard propeller. The turboprop made for much improved performance over the Fireball, but the Navy showed little interest in it; by that time, they had abandoned the idea of the combination fighter and were instead looking into all-jet fighters.

The United States Air Force, however, showed a little more interest; they were at the time evaluating the Convair XP-81 of similar concept, and asked Ryan to modify the XF2R to use the Westinghouse J34 turbojet instead of the General Electric J31 used previously. Modifications to the prototype created the XF2R-2, with the jet intakes moved to the sides of the forward fuselage with NACA ducts instead of the inlets in the wing leading edge used before.

Although the Dark Shark proved to be a capable aircraft, it never progressed beyond the prototype stage; all-jet aircraft were considered superior.

Specifications (XF2R-1)
3-view line drawing of the Ryan XF2R Dark Shark
3-view line drawing of the Ryan XF2R Dark Shark

Data from The Complete Book of Fighters[1]

General characteristics

Performance

  • Maximum speed: 497 mph (800 km/h, 432 kn) at sea level
  • Service ceiling: 39,100 ft (11,900 m)
  • Rate of climb: 4,850 ft/min (24.6 m/s)
  • Wing loading: 36.1 lb/sq ft (176 kg/m2)

Armament

  • Guns: 4 × .50-inch (12.7 mm) M2 Browning machine guns

See also

Related development

Aircraft of comparable role, configuration, and era

Related lists

References

Notes
  1. Green, W; Swanborough, G (1994). The Complete Book of Fighters. Smithmark Publishers inc. ISBN 0-8317-3939-8.
  2. Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.

Bibliography
  • Ginter, Steve. Ryan FR-1 Fireball and XF2R-1 Darkshark, Naval Fighters Number 28'. Simi Valley, CA: Ginter Books, 1995. ISBN 0-942612-28-0.
  • McDowell, Ernest. FR-1 Fireball, Mini in action number 5. Carrollton, TX: Squadron/Signal Publications Inc., 1995. ISBN 0-89747-344-2.
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