Encyclopedia Astronautica
ZIF-IR-191


Solid propellant rocket stage. Loaded/empty mass 6,600/1,400 kg. Vacuum specific impulse 200 seconds. Used cluster of four motors with Nylon-B propellant.

No Engines: 4.

Gross mass: 6,600 kg (14,500 lb).
Unfuelled mass: 1,400 kg (3,000 lb).
Diameter: 1.70 m (5.50 ft).
Span: 1.70 m (5.50 ft).
Specific impulse: 200 s.
Specific impulse sea level: 200 s.

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Associated Countries
Associated Launch Vehicles
  • Variant B Russian submarine-launched ballistic missile. Version with clustered Nylon-B propellant motors. 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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