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Reaction Wheel(RW)

  • Reaction Wheels used for the attitude control.
  • The attitude controls by the wheel rotation velicity changes.
  • Normaly used as 3 or 4 Axis RWs.


  • Angular momentum : 0.3Nms@4000rpm
  • Small size
  • Low costs
  • Control system: Torque control/Voltage control/Speed control

Main Specifications

Item Value
Angular momentum 0.3Nms @ 4000rpm
Max.rotation speed 5000rpm
Nominal torque 0.020Nm @ 4000rpm
Dimensions φ98 x 65mm
Mass <1.1kg
Moment of inertia (rotor) 7.0 x 10m-4 kgm²
Voltage 15~28VDC (Drive)
5VDC (Control)
Power consumption(@ 0 rpm) <1.8W
Power consumption(@ 4000 rpm) <3.0W
Power consumption(Max.torque) <10.0W
Data Interface RS422 (Other on request)
Operating temperature -10~+50°C
Non-operating temperature -20~+60°C

Reaction Wheel(RW) INQUIRIES

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