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.

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Last updated: 2020-06-23

RW-0.01

20,000 USD (ROM)

Downloads

  • CAD model(163.82 KB)
  • Datasheet(352.38 KB)
  • ICD(119.43 KB)
  • Option sheet
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  • User manual
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Specs

operating temperature
-40 to 70 C
mechanical vibration
> 12 Grms
mass
120 g
data interface
I2C
angular momentum storage
0.01 N m s
maximum momentum storage
0.018 N m s
torque
-1 to 1 mN m
length
50 mm
width
50 mm
height
30 mm
voltage
3.4 to 6.0 V
maximum voltage
8 V
maximum power
1.05 W
steady state power
0.25 W
radiation tolerance
> 20 krad

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