Encyclopedia Astronautica

Subsonic rocket launch aircraft. Loaded/empty mass 10,474/6,869 kg. Thrust 71.14 kN. Specific impulse 2770 seconds. Navy fighter used to launch Caleb air-launched rocket. Launch conditions 3,000 lbs at 40,000 feet at 480 mph at 56 degree angle.

Release velocity: 215 m/s (705 ft/sec). Release altitude: 12 m (40 ft). Release angle: 56 deg. Release conditions: 890 kph at 12.2 km.

AKA: F4D-1.
Location: 215.
Status: Retired 1959.
Gross mass: 10,474 kg (23,091 lb).
Unfuelled mass: 6,869 kg (15,143 lb).
Payload: 1,360 kg (2,990 lb).
Height: 13.93 m (45.70 ft).
Diameter: 4.05 m (13.28 ft).
Span: 8.20 m (26.90 ft).
Thrust: 71.14 kN (15,992 lbf).
Specific impulse: 2,770 s.
Specific impulse sea level: 2,500 s.
Burn time: 3,600 s.
Number: 0 .

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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
  • Project Pilot American air-launched orbital launch vehicle. The US Navy's satellite launcher project competed with the Army's Jupiter-C, the Air Force Atlas, and the civilian Vanguard. Air-launched satellite launch vehicle, and anti-satellite versions, tested by the US Navy shortly after Sputnik. One may have achieved orbit. 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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