Encyclopedia Astronautica
MR-20-1


Solid propellant rocket stage. Loaded mass 1,000 kg.

Status: Retired 1991.
Gross mass: 1,000 kg (2,200 lb).
Height: 8.80 m (28.80 ft).
Diameter: 0.45 m (1.47 ft).
Number: 109 .

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • MR-20 Russian sounding rocket. Upper atmosphere Soviet sounding rocket, improved version of MR-12, but capable of lofting 135 kg to 250 km altitude. 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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