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A high performance alternative to a reaction control system, reaction wheels provide spacecraft with control torque by means of momentum exchange between the satellite body and the rotating wheel. The increasing popularity of these wheels coupled with our commitment to high quality, fit for purpose components has resulted in NewSpace offering these wheels in a range of sizes (NRWA-T005, NRWA-T065 and NRWA-T10).

Typically, three to four reaction wheels are needed to provide full three-axis control of a spacecraft and the additional integration of these wheels with external gyroscopes for full three-axis control using inertial rates. With high torque stability, wheel momentum capacity and accuracy speed control; the NewSpace reaction wheels are ideal for agile small satellite missions requiring accurate pointing.


maximum torque210 mN m
angular momentum storage10.6 N m s
operating temperaturemin: -20 C, max: 60 C
mechanical vibration14 Grms
radiation tolerance10 krad
mass< 5 kg
moment of inertia0.02 kg m^2
diameter235 mm
height71 mm
idle power0.8 W
steady state power< 2 W



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Last updated: 2019-07-22