Reaction Wheel RW100 for Small Satellites

RW100 Reaction Wheel

RW100 Features:

  • One of the latest developments, based on the RW90
  • Constellation wheel: optimized in production process
  • Combines existing wheels with an automotive approach


Parameter RW 100 Remark
Angular momentum 0.4 Nms @ nominal speed
Nominal rotation speed 6000 rpm
Nomial reaction torque 0.02 Nm Max. commandable deliverable output torque over the whole speed range
Power interface
Supply voltage 18 to 34 V
Power consumption
≤ 2 W
≤ 5.0 W
20 W
Stand by (motor off)
@ 6000 rpm
Maximum (max. torque/max. speed)
Mechanical interface
Mass ≤ 0.8 kg
Moment of inertia
6.52x10-4 kg m2
Rotating mass
Dimension 100mm x 100mm x 60mm
Operation 20 °C to +60 °C
Start-up -30 °C to +70 °C
Survival temperature -40 °C to +75 °C
Data interface RS485/RS422
Design lifetime > 7 years In LEO
Storage time > 3 years (incl. 240 h of ground operation)