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#157 – Natalya Bailey: Rocket Engines and Electric Spacecraft Propulsion
Lex Fridman Podcast
What's the Difference Between Chemical and Electric Propulsion?
Liquid and solid fuel are lumped in the same category. Chemical just means that the release of energy from those bonds essentially. Electric propulsion is using electrical energy usually from batteries or solar panels. The chemical stuff, you can get a lot of instantaneous thrust but it's not very fuel efficient.
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