Encyclopedia Astronautica
S-40TM


IAE solid rocket engine. 208.4 kN. Isp=272s. Used on VLS launch vehicle. First flight 1985.

Thrust (sl): 155.000 kN (34,845 lbf). Thrust (sl): 15,764 kgf. Chamber Pressure: 57.20 bar. Area Ratio: 25.97.

Gross mass: 5,359 kg (11,814 lb).
Unfuelled mass: 929 kg (2,048 lb).
Height: 5.80 m (19.00 ft).
Diameter: 1.00 m (3.20 ft).
Thrust: 208.40 kN (46,850 lbf).
Specific impulse: 272 s.
Specific impulse sea level: 204 s.
Burn time: 56 s.
Number: 5 .

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Associated Countries
See also
Associated Launch Vehicles
  • VLS Brazilian satellite launcher building on successful family of sounding rockets. More...

Associated Manufacturers and Agencies
  • IAE Brazilian agency overseeing development of rocket engines. Instituto de Aeronautica e Espace, Brazil. 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
  • S-40TM Solid propellant rocket stage. Loaded/empty mass 5,664/1,212 kg. Thrust 208.39 kN. Vacuum specific impulse 275 seconds. More...

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