Satellites and subsystems > Attitude > Attitude actuators > Reaction wheels > RW8 and RW8-HT Reaction Wheel
Key highlights
The Blue Canyon Technologies RW8 reaction wheel features a lubrication system designed to ensure long operating lifetimes and low jitter. The standard RW8 offers 8.0 Nms momentum and 0.25 Nm torque, while the high torque RW8 offers 5 Nms momentum and 0.5 Nm torque. Over 50 RW8s total have launched as of December 2025.
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Last updated: 2025-12-29
RW8 and RW8-HT Reaction Wheel
Technical specs
mass
4.4 kg
angular momentum storage
5 to 8 N m s
maximum torque
0.25 to 0.5 N m
voltage
22 to 34 V
maximum power
< 176 W
length
19.3 cm
width
19.3 cm
height
8.4 cm
Export
