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Thrusters

Bipropellant Thruster 11d

  • Purpose: Phobos Sample Return Spacecraft
  • Flight qualification of the product: Letter "O", flight use
  • Possibility to adapt the product to customer requirements: Yes
ParameterValue
Propellants, Fuel/OxidizerUDMH/NTO
Nominal Thrust53.9 N
Nominal Specific Impulse, Steady State2,842 m/s
Nominal Inlet Pressure1.18 MPa
Inlet Operating Pressure1.03…1.32 MPa
Total Firing Time, up to5,750 s
Cycle Life, Number of Starts-up, up to100,000
Nozzle Expansion Ratio50
Operating Voltage27 V
Mass, not over1.5 kg

Formation of multiple impulses for attitude control of spacecraft in response to control system triggering commands. Design features: - A high temperature Niobium alloy nozzle with disilicide oxidation resistant coating.