Encyclopedia Astronautica
F-6


Turbojet powered rocket launch aircraft. Loaded/empty mass 8,163/6,870 kg. Thrust 45.36 kN. Specific impulse 1414 seconds. Douglas (Heinemann) designed fighter-delta wing. Used as zero stage for Caleb miniature satellite launcher. Maximum release conditions: 3,628 kg at 1,166 kph at 16,768 m altitude

Release velocity: 325 m/s (1,066 ft/sec). Release altitude: 17 m (55 ft). Release conditions: 1,166 kph at 16.8 km.

Location: 325.
Status: Retired 1962.
Gross mass: 8,163 kg (17,996 lb).
Unfuelled mass: 6,870 kg (15,140 lb).
Payload: 3,628 kg (7,998 lb).
Height: 13.93 m (45.70 ft).
Diameter: 3.96 m (12.99 ft).
Span: 10.21 m (33.49 ft).
Thrust: 45.36 kN (10,196 lbf).
Specific impulse: 1,414 s.
Specific impulse sea level: 1,285 s.
Burn time: 3,000 s.
Number: 7 .

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Associated Countries
Associated Engines
  • J57-8 Pratt and Whitney turbojet engine. 45.4 kN. Out of production. Thrust is maximum sea level thrust; specific impulse is sea level value at that thrust. Isp=1414s. Used on Caleb launch vehicle. First flight 1960. More...

Associated Launch Vehicles
  • Caleb American air-launched orbital launch vehicle. Heavily classifed project related to air-launched ASAT development. Launch tests in 1958. NOTS project staff believed they successully orbited a satellite but unconfirmed. More...

Associated Propellants
  • Air/Kerosene Ambient air (78 % nitrogen, 21% oxygen, etc.) is scooped up by air intakes and used in turbojet, turbofan, ramjet, scramjet, or other airbreathing engines. It is used to burn aviation-grade kerosene, commercial grade JP-4 or JP-5, their military equivalents, or special high-temperature blends such as those used in the SR-71. More...

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