ESI Motion Launches Innovative SADA Actuators for Space Applications

ESI Motion Unveils the Next Generation of SADA Actuators: Solaris



In a significant leap for space exploration and defense technology, ESI Motion has introduced the Solaris series of SADA actuators, precision-engineered for the harsh conditions of outer space. This innovative product line, announced on April 7, 2025, aims to set new standards in actuator performance, making it a vital asset for satellite systems, solar arrays, and robotic arms.

Revolutionary Features



The Solaris actuators come in configurations that include both single-axis and dual-axis options, accommodating a wide array of aerospace applications. Here are some of the standout features that make Solaris particularly beneficial:

1. High Precision Accuracy: With zero backlash and an impressive pointing accuracy of 0.1 degrees, the actuators support microstepping to resolutions less than 0.0001 degrees.
2. Lightweight & Compact Design: Designed with space and weight constraints in mind, Solaris actuators fit seamlessly into spacecraft designs, ensuring optimal layout and functionality.
3. Elevated Torque and Load Capacity: These actuators deliver continuous torque of 20 Newton-Meters, providing the necessary power for complex operations, such as satellite deployments.
4. Shock and Vibration Resistance: Built to endure the intense dynamics associated with space launches and environmental stresses, these actuators maintain performance integrity.
5. Long Operational Life: Solaris is tailored for extended missions with minimal maintenance, reducing downtime.
6. Robust Redundancy: Incorporating fail-safe mechanisms ensures mission reliability, vital for critical operations in space.
7. Versatile Applications: Designed for a range of operational uses, including satellite positioning and scientific instruments, Solaris offers flexibility for various engineering needs.

ESI Motion's President and CTO, Earnie Beem, emphasizes the importance of the Solaris actuators, stating, "The SADA actuators represent a significant advancement for the industry, providing a much-needed option for a high-performance, space-rated actuator with a short lead time. Opportunities for engineers to integrate these solutions into their designs are within reach, allowing units to be available in as little as 4 to 6 weeks for engineering development units and 16 to 20 weeks for flight-ready models."

Customization Options



Understanding that not all missions are created equal, ESI Motion is committed to providing customizable solutions. Engineers can tailor the single and dual-axis Solaris actuators to meet their specific project requirements, ensuring solutions that are both robust and efficient.

Market Availability



The Solaris series of SADA actuators is now available for order, making them accessible to companies and entities engaged in space research and application. For more information about the SADA models and additional offerings, interested parties can visit the ESI Motion website or reach out to their sales team directly via email.

About ESI Motion



Founded in 2004, ESI Motion has been at the forefront of advanced subsystem technology, specializing in innovative solutions for extreme environments. With a reputation for producing rugged, high-performance actuator systems, they stand as a reliable partner for aerospace and defense sectors.

For those delving into the intricacies of space technology and seeking cutting-edge solutions, ESI Motion’s Solaris offers the promising capabilities defining the future of actuator design.

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