Encyclopedia Astronautica
Star 37X


Thiokol solid rocket engine. 51.1 kN. Out of Production. Total impulse 310,668 kgf-sec. Motor propellant mass fraction 0.928. Isp=295s.

Thrust (sl): 39.600 kN (8,902 lbf). Thrust (sl): 4,039 kgf.

Status: Out of Production.
Gross mass: 1,150 kg (2,530 lb).
Unfuelled mass: 83 kg (182 lb).
Height: 1.86 m (6.10 ft).
Diameter: 0.94 m (3.08 ft).
Thrust: 51.10 kN (11,488 lbf).
Specific impulse: 296 s.
Specific impulse sea level: 230 s.
Burn time: 60 s.

More... - Chronology...


Associated Countries
See also
Associated Manufacturers and Agencies
  • Thiokol American manufacturer of rocket engines and rockets. Thiokol Corporation, Ogden, UT, USA. 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...

Associated Stages
  • Burner 3 Solid propellant rocket stage. Loaded/empty mass 1,243/168 kg. Thrust 51.15 kN. Vacuum specific impulse 297 seconds. More...

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