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Spacecraft Systems In Production

160 Digital Reaction Wheel

The 160 digital reaction wheel incorporates advanced digital control and miniature drive circuit technology, achieving high performance with low cost, reduced mass, and compact design for microsatellite attitude control.

160 Digital Reaction Wheel

Key Specifications

Model
C-SRWMI-160-4A
Rated Momentum
4 N·m·s
Flight Heritage
First flight in 2015
Application
Microsatellite
Dimensions (mm)
160 × 160 × 135
Weight (kg)
≤ 3.8
Published: October 16, 2025 Last updated: October 18, 2025
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Technical Details

Comprehensive specifications and technical information

Quick Overview

The reaction wheel is a critical actuator in satellite attitude control systems. The 160 digital reaction wheel incorporates advanced digital control and miniature drive circuit technology, achieving high performance with low cost, reduced mass, and compact design. It is designed to meet the stringent requirements of microsatellite platforms for high-precision attitude control.

Key Specifications

ParameterValue
ModelC-SRWMI-160-4A
Rated Momentum4 N·m·s
Flight HeritageFirst flight in 2015
ApplicationMicrosatellite
Dimensions (mm)160 × 160 × 135
Weight (kg)≤ 3.8
Operating Temperature (°C)−5 to +45
Storage Temperature (°C)−10 to +50
Communication InterfaceRS-422 or CAN

Key Features

  • Low-cost design and implementation technology.
  • Integrated electromechanical design with high compactness.
  • Lightweight, small size, and low power consumption.
  • Excellent adaptability to space environments.

Applications

  • Used for precision attitude control, stabilization, and momentum management in microsatellite platforms.

Documentation & Resources

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Frequently Asked Questions

Common questions about 160 Digital Reaction Wheel

What is the rated momentum of the 160 Digital Reaction Wheel?

The model C-SRWMI-160-4A provides a rated momentum of 4 N·m·s for high-precision microsatellite attitude control and momentum management.

What are the wheel dimensions and weight?

The reaction wheel measures 160 × 160 × 135 mm and weighs no more than 3.8 kg.

What communication interface does it use?

The 160 digital wheel communicates over RS-422 or CAN.

What temperature range does it support?

The 160 wheel operates from −5 to +45°C and can be stored from −10 to +50°C.

Does the 160 reaction wheel have flight heritage?

Yes. It achieved its first flight in 2015 on microsatellite platforms.

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