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Summary

The COMAT Reaction Wheels 40 is designed for detumbling, attitude control, and torque or angular rate control of nanosatellites with a mean torque of 4 mNm.

The system is fully characterized and qualified according to the European Cooperation for Space Standardization (ECSS) and has an 8 years lifetime duration.

Key features

  • Plug & play concept
  • Embeded electronic
  • Robust technology (stainless steal bearings)
  • Compact design & accommodation
  • Embedded and protected electronics

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Last updated: 2022-11-30

Reaction Wheels 40

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Specs

mass
230 g (electronic and radiation protection included)
diameter
67 mm
length
44.8 mm
torque
4 mN m
data interface
RS485
lifetime1
8 yr
communication protocol
NSP
operating temperature
-30 to 50 C
angular momentum storage
40 mN m s
angular speed control accuracy
2 rpm

1. More than 100,000 zero crossing tests 8 years of operation

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