Encyclopedia Astronautica
R-31 RV Bus


Solid propellant rocket stage. Loaded mass 1,300 kg. Thrust 3.92 kN. Bus powered by four solid propellant motors mounted 90 degrees to each other, each 60 kg mass, 0.77 m long, 0.28 m diameter.

Status: Retired 1990.
Gross mass: 1,300 kg (2,800 lb).
Height: 2.45 m (8.03 ft).
Diameter: 1.54 m (5.05 ft).
Thrust: 3.92 kN (881 lbf).
Burn time: 101 s.
Number: 0 .

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Associated Countries
Associated Launch Vehicles
  • R-31 Russian submarine launched ballistic missile. First Soviet submarine-launched ballistic missile to reach production using solid propellants. Deployed from 1980, but withdrawn in 1990 under the terms of the SALT-2 Treaty. 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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