HARDWARE / PRODUCT

RW4 Reaction Wheel

Blue Canyon Technologies
RW4 Reaction Wheel

Mid-size SmallSat reaction wheel, 4 Nms momentum, 250 mNm torque, 3.2 kg, 175×175×72 mm. 105+ units launched.

Technical specifications

Momentum
4.0 Nms
Peak Torque
250 mNm
Mass
3.2 kg
Dimensions
175 × 175 × 72 mm
Supply Voltage
22–34 V DC
Operating Power
~10 W nominal, 176 W peak
Interface
RS-422, 200 Hz
Operating Temperature
-20 to +60 °C
Flight Heritage
105+ units launched

About

The RW4 is Blue Canyon Technologies’ mid-size SmallSat reaction wheel with over 105 units launched as of 2025. Delivers 4.0 Nms angular momentum with 250 mNm peak torque. 3.2 kg in a 175 × 175 × 72 mm package. RS-422 interface at 200 Hz control rate, 22–34V DC supply, ~10 W operating power.

Documentation

No public datasheet yet — request the datasheet / ICD from the supplier.

Source: www.bluecanyontech.com ↗