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Spacecraft Systems In Production

5 N·m·s Variable-Speed Control Moment Gyroscope (VSCMG)

The 5 N·m·s variable-speed control moment gyroscope (VSCMG) adopts an integrated miniaturized design that combines compact structure, low mass, and high efficiency.

5 N·m·s Variable-Speed Control Moment Gyroscope (VSCMG)

Key Specifications

Model
C-CMG-5/5-A
Rated Momentum
0.5 N·m·s
Flight Heritage
First flight in 2012
Application
Micro/Nanosatellite
Weight (kg)
< 10
Operating Temperature (°C)
0 to +45
Published: October 16, 2025 Last updated: October 18, 2025
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Comprehensive specifications and technical information

Quick Overview

The 5 N·m·s variable-speed control moment gyroscope (VSCMG) adopts an integrated miniaturized design that combines compact structure, low mass, and high efficiency.

Key Specifications

ParameterValue
ModelC-CMG-5/5-A
Rated Momentum0.5 N·m·s
Flight HeritageFirst flight in 2012
ApplicationMicro/Nanosatellite
Weight (kg)< 10
Operating Temperature (°C)0 to +45
Storage Temperature (°C)−10 to +55
Communication InterfaceCAN / RS-422
Design Life5 years

Key Features

  • Compact integrated VSCMG design.
  • High-integration SiP control chip with fully digital control.
  • Lightweight, small size, and low power consumption.
  • Excellent adaptability to space environments.

Applications

  • Used for agile attitude maneuvering, stabilization, and control in micro and nanosatellite platforms requiring variable-speed CMG configurations.

Documentation & Resources

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Frequently Asked Questions

Common questions about 5 N·m·s Variable-Speed Control Moment Gyroscope (VSCMG)

What is a variable-speed control moment gyroscope?

This VSCMG (model C-CMG-5/5-A) is a compact, integrated actuator that combines variable-speed and control-moment-gyro functions for agile satellite attitude maneuvering.

How much does the VSCMG weigh?

The unit has a mass of less than 10 kg in a compact, miniaturized design.

What is the design life of the VSCMG?

The gyroscope is rated for a design life of 5 years.

What control electronics and interface does it use?

It uses a high-integration SiP control chip with fully digital control and communicates over CAN or RS-422.

Does the VSCMG have flight heritage?

Yes. It achieved its first flight in 2012 on micro and nanosatellite platforms.

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