Summary

The Rafael Ltd 45N thruster is a monopropellant thruster suitable as satellite launcher thruster with hydrazine as propellant.

The thruster consists of a Flow Control Valve (FCV) that is operated by solenoid, MS 33656-4 inlet interface and a Thrust Chamber Assembly (TCA) with a nozzle of expansion ratio 50.

The thruster has flight heritage and is free of any ITAR restrictions.

Key features

  • Monopropellant thruster
  • Suitable as satellite launcher thruster
  • Hydrazine as propellant
  • System consists of:
    • Solenoid-operated Flow Control Valve (FCV)
    • MS 33656-4 inlet interface
    • Thrust Chamber Assembly (TCA) 
    • Bell-shaped nozzle
  • Free of any ITAR restrictions

Manufacturing

  • Clean rooms (more than 1000 m²)
    • Clean Room Component Level
    • Clean Room PS-AIT
  • Metal Technology Center
    • CAD/CAM, CNC machining
    • Electro-Erosion
    • Forming, hydro-spinning, deep hot and cold-drawing
    • Surface treatment, heat treatment
    • Welding (EBW, GTAW, GMAW, plasma), brazing
    • Cutting, bending and flaring of titanium tubes
  • Hot Firing test facility which includes 5 Firing Chambers
    • Chambers for 1÷10 N class thrusters
    • Chamber for high-trust thrusters and/or system tests
    • Chamber for Hall effect thruster & EP system firing
  • Ground support equipment for testing components and systems
  • GSE propulsion systems electrical tester

Testing & qualification

Rafael Quality system is certified to ISO 9001:2015/AS9100D. The quality policy of Rafael is derived from the common space quality standards, especially from ESA. Rafael ensures 100% inspection on the space products from the raw materials used to final integration. ERP integrated quality system enables full traceability from raw material to the delivered item.

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Last updated: 2024-02-05

45N Thruster

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Specs

propellant type
Hydrazine (N2H4)
thrust
16 to 45 N (steady state)
specific impulse
>208 s @24 bar
>190 s @ 6 bar
minimum impulse bit
5.3 @ 24 bar & 100 msec. ON
2.3 @ 6 bar & 100 msec. ON
mass
500 g

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