A motor with no moving parts (sorta)

Video Description

Can we make a reaction wheel using liquid metal and the Magnetohydrodynamic effect? Watch this ad-free on Nebula: https://nebula.tv/videos/breakingtaps-a-unique-satellite-reaction-wheel 🥰 CONSIDER SUBSCRIBING 🥰 🔬Patreon if that's your jam: https://www.patreon.com/breakingtaps 📢Twitter: https://twitter.com/BreakingTaps 🦋Bluesky: https://bsky.app/profile/breakingtaps.com 🐘Mastodon: https://universeodon.com/@breakingtaps 📷Instagram: https://instagram.com/breakingtaps 💻Discord: https://discord.gg/R45uCXcEv4 === References === - Polzin, Kurt A. Liquid-metal pump technologies for nuclear surface power. No. NASA/TM-2007-214851. 2007. https://ntrs.nasa.gov/api/citations/20070022272/downloads/20070022272.pdf - "Magneto-Hydro-Dynamics Liquid Wheel Actuator for Spacecraft Attitude" https://apps.dtic.mil/sti/tr/pdf/AD1026179.pdf - Grau, S., Kapitola, S., Weiss, S., & Noack, D. (2021). Control of an over-actuated spacecraft using a combination of a fluid actuator and reaction wheels. Acta Astronautica, 178, 870–880. doi:10.1016/j.actaastro.2020.10.018  - Grau, Sebastian. Contributions to the Advance of the Integration Density of CubeSats. Technische Universitaet Berlin (Germany), 2019. - Noack, Daniel, and Klaus Brieß. "Laboratory investigation of a fluid-dynamic actuator designed for CubeSats." Acta Astronautica 96 (2014): 78-82. - Barschke, Merlin, et al. "Initial results from the TechnoSat in-orbit demonstration mission." 32nd Annual AIAA/USU-Conference on Small Satellites. 2018. - Grau, S., D. Noack, and K. Brieß. "Rapid prototyping of a combined channel/pump structure for liquid metal actuators used as angular momentum storage device for picosatellites." Proceedings of the 66th International Astronautical Congress (IAC). 2015. - Grau, S., L. Kobow, and F. Fürstenau. "Investigation of Redundancy Strategies in Fluid-Dynamic Attitude Control." Proceedings of the 68th International Astronautical Congress (IAC), Adelaide, Australia. 2018. - Martens, Bas. "A fluid loop actuator for active spacecraft attitude control-A Parametric Sizing Model and the Design, Verification, Validation and Test with a Prototype on an Air Bearing." (2019). - Gu, Youlin, et al. "Design and analysis of MHD-based momentum ring for satellite attitude adjustment." 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021). Vol. 12080. SPIE, 2021.