Satellites and subsystems > Attitude > Attitude actuators > Reaction wheels > RW250 - Reaction Wheel 25Nms
Key highlights
The O.C.E. Technology RW250 Reaction Wheel 25Nms designed for small satellites operating in the Medium Earth Orbit (MEO) and Low Earth Orbit(LEO). It is the first digital reaction flywheel based on FPGA control electronics. RW250 is primarily used in communication satellites.
Applications
Suitable for small satellites requiring high attitude control accuracy in Medium Earth Orbit (MEO) and Low Earth Orbit(LEO)
Key features
- Long lifetime
- Control electronic based on FPGA and RS422 digital interface
- Highest control accuracy in China (≤0.2rpm)
- Inertial air exhaust valve
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Last updated: 2025-08-02
Technical specs
maximum angular momentum
25 N m s
maximum output torque
0.2 N m
maximum speed
≥ 3500 rpm
voltage
42 ±3 V
power consumption at steady state
≤ 10 W
maximum power consumption
≤ 120 W
data interface
RS422
mass
≤ 10 kg
diameter
312 mm
height
121 mm
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