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DST engine series

Spacecraft

Original archive entry. The text, images and links below are kept as they were written.

Series of Isayev storable engines for spacecraft orientation and maneuvering.

Subtopics

  • 17D58E Isayev N2O4/UDMH rocket engine. In Production. Small attitude control thruster used in Briz, Briz-M upper stage propulsion system S5.98M.
  • DST-100 Isayev N2O4/UDMH rocket engine. In Production. Bi-propellant hypergolic (self-igniting) engine, pressure-fed. 10,000 ignitions
  • DST-200 Isayev N2O4/UDMH rocket engine. In Production. Bi-propellant hypergolic (self-igniting) engine, pressure-fed. 10,000 ignitions
  • DST-25 Isayev N2O4/UDMH rocket engine. In Production. Bi-propellant hypergolic (self-igniting) engine, pressure-fed. 300,000 ignitions
  • DST-100A Isayev N2O4/UDMH rocket engine. In Production. Bi-propellant hypergolic engine, pressure-fed. Larger nozzle and reduced chamber pressure to increase performance and lifetime in comparison to DST-100. 450,0000 ignitions.
  • DST-200A Isayev N2O4/UDMH rocket engine. In Production. Bi-propellant hypergolic engine, pressure-fed. Larger nozzle and reduced chamber pressure to increase performance and lifetime compared to DST-200. 100,0000 ignitions.