Encyclopedia Astronautica
M57A1


Hercules solid rocket engine. 76 kN.

Gross mass: 1,900 kg (4,100 lb).
Unfuelled mass: 300 kg (660 lb).
Height: 2.10 m (6.80 ft).
Diameter: 0.97 m (3.18 ft).
Thrust: 76.00 kN (17,085 lbf).
Burn time: 59 s.

More... - Chronology...


Associated Countries
See also
Associated Manufacturers and Agencies
  • Hercules American manufacturer of rocket engines and rockets. Hercules, Wilmington, Delaware, 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
  • Hera-2 Solid rocket stage. 76.00 kN (17,085 lbf) thrust. Mass 1,900 kg (4,189 lb). More...

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