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RSI 4-75/60


RSI 12 momentum and reaction wheels 4 – 12 nms with integrated wheel drive electronics. Its key features are: power/loss torque optimized, volume/mass optimized, hermetically sealed, modular configuration, broad spectrum of different wheel types, for satellites weighing 200 – 1,000 kg and high reliability through heritage.


angular momentum storage4 N m s
torque75 mN m
operating temperaturemin: -20 C, max: 70 C
survival temperaturemin: -40 C, max: 75 C
mass< 3.7 kg
height85 mm
diameter222 mm
angular speedmin: -6000 rpm, max: 6000 rpm
maximum angular speed< 7000 rpm
maximum power< 90 W
steady state power< 20 W
voltagemin: 24 V, max: 51 V
current< 3.75 A
lifetime> 15 yr
full datasheet


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Last updated: 2018-03-23