Encyclopedia Astronautica
Grom-2


N2O4/UDMH propellant rocket stage. Loaded mass 25,000 kg.

Status: Active.
Gross mass: 25,000 kg (55,000 lb).
Height: 5.00 m (16.40 ft).
Diameter: 2.40 m (7.80 ft).
Number: 60 .

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • Rif Russian orbital launch vehicle. R-39 SLBM adapted for use as suborbital test vehicle or orbital launch vehicle. More...
  • Grom Russian orbital launch vehicle. Three stage vehicle consisting of 1 x R-39 St 1 + 1 x R-39 St 2 + 1 x R-39 St 3 More...

Associated Manufacturers and Agencies
  • Makeyev Russian manufacturer of rockets, spacecraft, and rocket engines. Makeyev Design Bureau, Kolomna, Russia. More...

Associated Propellants
  • N2O4/UDMH Nitrogen tetroxide became the storable liquid propellant of choice from the late 1950's. Unsymmetrical Dimethylhydrazine ((CH3)2NNH2) became the storable liquid fuel of choice by the mid-1950's. Development of UDMH in the Soviet Union began in 1949. It is used in virtually all storable liquid rocket engines except for some orbital manoeuvring engines in the United States, where MMH has been preferred due to a slightly higher density and performance. More...

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