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Designing space robots: Harmonic Drive shares history, looks ahead

By Mike Oitzman | November 11, 2025

The Robot Report Podcast ยท Designing Space Robots

In this special episode of The Robot Report Podcast, editors Mike Oitzman and Eugene Demaitre discuss with engineer Chris Finger the role of Harmonic Drive in space robotics, exploring the challenges and innovations in designing robots for space applications.

Diagram of Mariner's Mars craft, showing its connection to Harmonic Drive enabling technologies for space robots.

The conversation kicks off with a look at Harmonic Drive‘s significant contributions to space missions, starting with the Mariner 4 mission in 1964 and extending through the Apollo missions, for which it provided drive wheels for lunar rovers.

Harmonic Drive had provided systems for space robots including the lunar rovers.

Learn about requirements for space robots

Finger also explains how space projects demand extreme reliability, often at 99.99%, and how new space operators like SpaceX and Amazon are shifting toward cost-effective satellite constellations.

He shares insights into the technical challenges of designing for space, such as dealing with extreme temperature swings and vacuum conditions. Finger cites the advantages of Harmonic Drive solutions, including flexibility in materials and configuration.

In addition, the podcast episode touches on the evolving industrial ecosystem in space, as the private sector sets its sights on in-orbit manufacturing and resource exploitation. This episode is a must-listen for anyone interested in the future of space exploration and the pivotal role of robotics in this exciting frontier.


SPONSORED BY HARMONIC DRIVE

To learn more about Harmonic Drive products or contact a sales representative in your area, go to www.harmonicdrive.net or call 978-532-1800

About The Author

Mike Oitzman

Mike Oitzman is Senior Editor of WTWH's Robotics Group and founder of the Mobile Robot Guide. Oitzman is a robotics industry veteran with 25-plus years of experience at various high-tech companies in the roles of marketing, sales and product management. Mike has a BS in Systems Engineering from UCSD and an MBA from Golden Gate University. He can be reached at [email protected].

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