Modified Thermocatalytic Thrusters

    • Modified Thermocatalytic Thrusters

    Purpose:
    Spacecraft orientation, attitude control, and station keeping.
    Year of release: 2009
    Guaranteed service life (years): 10
    Estimated production / delivery time (months): 10
    Flight qualification of the product: No
    Brief history of flight qualification: None
    Possibility to adapt the product to customer requirements: Yes
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    Parameter Value
    Thrust (5.6 … 1.0) N
    Propellant inlet pressure (883..204) kPa
    Specific impulse in a continuous mode of operation (220..214) s
    Life in terms of propellant throughput, kg 20 kg
    Life in terms of number of cycles 50 cycles
    Power consumption in the preparation mode (for 60 min) and in the instant readiness mode (10.0 … 14.0) W
    Overall dimensions 110х102х54 mm
    Mass 0.44 kg

    Description

    Propellant - hydrazine. The main thruster component parts are: a decomposition chamber with a catalyst element and a nozzle, a propellant injection unit, two small-size solenoid valves that supply propellant to the thruster, and a pressure signaling indicator
    ... Propellant - hydrazine. The main thruster component parts are: a decomposition chamber with a catalyst element and a nozzle, a propellant injection unit, two small-size solenoid valves that supply propellant to the thruster, and a pressure signaling indicator that monitors the fact that the thruster has been started up. A resistive heater and MLI installed on the thruster chamber ensure the required thermal mode of the thruster. Thruster temperature is monitored by means of two thermocouples. The thruster also has a mounting plate that joins the thruster elements.
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    Remark

    Manufacturing lead time is given without taking into account the time needed to procure materials (4 months) and procured parts and components (6 months).

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