RW3-0.060


Summary

Sinclair Interplanetary pioneered high-reliability vacuum-lubricated reaction wheels for picosatellites, nanosatellites and microsats. There are currently 76 wheels on-orbit, all working well.

All of these reaction wheels incorporate a built-in digital processor. They can be commanded over a serial bus to produce a desired speed, momentum or torque. They report digital telemetry concerning speed, temperature, voltage, current, and other health parameters.


Specs

mass226 g
angular momentum storage0.06 N m s
maximum momentum storage0.18 N m s
torquemin: -20 mN m, max: 20 mN m
length77 mm
width65 mm
height38 mm
voltagemin: 7.5 V, max: 34 V
maximum voltage50 V
maximum power23.4 W
steady state power0.9 W
operating temperaturemin: -40 C, max: 70 C
mechanical vibration> 23 Grms
radiation tolerance> 20 krad
cost35000 USD
full datasheet

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Last updated: 2018-07-28