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Spacecraft Systems In Production

Extended-Arm Dual-Axis Solar Array Drive Mechanism

Developed for commercial aerospace applications, this long-life, low-cost, and high-reliability drive mechanism features a compact and lightweight structure.

Extended-Arm Dual-Axis Solar Array Drive Mechanism

Key Specifications

Model
C-SADM-3-3B
Output Torque
≥ 10 N·m
Flight Heritage
2019
Application
Hongyan / Hongyun Satellite Constellations
Published: October 16, 2025 Last updated: October 18, 2025
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Technical Details

Comprehensive specifications and technical information

Quick Overview

Developed for commercial aerospace applications, this long-life, low-cost, and high-reliability drive mechanism features a compact and lightweight structure.

Key Specifications

ParameterValue
ModelC-SADM-3-3B
Output Torque≥ 10 N·m
Flight Heritage2019
ApplicationHongyan / Hongyun Satellite Constellations

Key Features

  • Long service life, low cost, and high reliability.
  • Lightweight and compact design.
  • Adjustable extended arm between dual axes to meet user requirements.

Applications

  • Used in satellite platforms requiring dual-axis solar array tracking and precise positioning, especially in mass-optimized spacecraft configurations.

Documentation & Resources

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Frequently Asked Questions

Common questions about Extended-Arm Dual-Axis Solar Array Drive Mechanism

What output torque does this drive mechanism deliver?

The model C-SADM-3-3B delivers an output torque of at least 10 N·m for dual-axis solar array positioning.

What makes this SADM adaptable to different platforms?

It features an adjustable extended arm between the dual axes, which can be tailored to user requirements in mass-optimized spacecraft.

What is the primary function of this mechanism?

It provides dual-axis solar array tracking and precise positioning to keep panels pointed at the sun.

Does this drive mechanism have flight heritage?

Yes. It has flight heritage from 2019 on the Hongyan and Hongyun satellite constellations.

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