Encyclopedia Astronautica
Caleb-4


Solid propellant rocket stage. Loaded/empty mass 5/1 kg. Thrust 0.71 kN. Vacuum specific impulse 250 seconds.

Status: Retired 1962.
Gross mass: 5.00 kg (11.00 lb).
Unfuelled mass: 1.00 kg (2.20 lb).
Thrust: 706 N (158 lbf).
Specific impulse: 250 s.
Specific impulse sea level: 204 s.
Burn time: 3.00 s.
Number: 7 .

More... - Chronology...


Associated Countries
Associated Engines
  • NOTS-4 NOTS solid rocket engine. 0.700 kN. Out of production. Isp=250s. 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
  • Solid Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. More...

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