Encyclopedia Astronautica
P9.5


SNPE solid rocket engine. 690 kN. Isp=263s. Strap-on booster engine for Ariane 42P, Ariane 44LP, Ariane 44P. First flight 1988.

Thrust (sl): 629.600 kN (141,540 lbf). Thrust (sl): 64,207 kgf. Propellant Formulation: HTPB.

Gross mass: 12,560 kg (27,690 lb).
Unfuelled mass: 3,060 kg (6,740 lb).
Height: 12.20 m (40.00 ft).
Diameter: 1.07 m (3.51 ft).
Thrust: 690.00 kN (155,110 lbf).
Specific impulse: 263 s.
Specific impulse sea level: 240 s.
Burn time: 29 s.
Number: 142 .

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Associated Countries
See also
Associated Launch Vehicles
  • Ariane 44LP French orbital launch vehicle. Ariane 4 with 2 liquid rocket + 2 solid rocket strap-ons. More...
  • Ariane 42P French orbital launch vehicle. Ariane 4 with 2 solid rocket strap-ons. More...
  • Ariane 44P French orbital launch vehicle. Ariane 4 with 4 solid rocket strap-ons. More...

Associated Manufacturers and Agencies
  • SNPE French manufacturer of rocket engines. Societe Nationale des Poudres et Explosifs, France. 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
  • P9.5 Solid propellant rocket stage. Loaded/empty mass 12,560/3,060 kg. Thrust 689.99 kN. Vacuum specific impulse 263 seconds. More...

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