The NewSpace Systems NRWA-T6 Reaction Wheel is an attitude control actuator for small satellite missions. Reaction wheels are an effective replacement for reaction control systems, providing spacecraft with control torque by exchanging momentum between the satellite body and a rotating wheel. To achieve full three-axis control of a spacecraft, typically 3-4 reaction wheels are required, along with the integration of external gyroscopes for full 3-axis control using inertial rates.

NewSpace Systems' reaction wheels are designed to offer high torque stability, wheel momentum capacity, and precise speed control, in order to provide an alternative for small satellite missions that require accurate pointing. The wheels feature a digital interface developed for simple integration with a spacecraft bus, allowing for current, speed, and torque control. In addition, NSS reaction wheels can be integrated with an optional gyroscope for inertial rate control and inertial angle control modes.

NSS reaction wheels include torque and momentum capacity that can be customized to meet the specific requirements of a client's mission, hermetically sealed design, and long demonstrated lifetimes.

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Last updated: 2023-05-12

NRWA-T6 Reaction Wheel



< 5 kg
210 mm (wheel)
210 mm (wheel)
100 mm (wheel)
maximum torque
200 mNm (nominal)
300 mNm (peak)
maximum momentum storage
6 Nms (at 3800 rpm and 200 mNm)
7.83 Nms (at 5000 rpm)
rotor moment of inertia
0.015 kg m^2
speed control accuracy
< 1 rpm @ > 100 rpm


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