P3_5 “The Expanse” Science or fiction?

Kennedy Smith, Ethan Bates, Lois Brewer, Tommy Sadler


In this paper we discuss and explore the feasibility of the propulsion and energy sources in the series “The Expanse” by means of discussing if the vessel could feasibly carry the reaction mass required to produce the energy the drive would require, assuming a high efficiency of 95%. We find that the series is actually well seated in physics and these vessels could carry the fuel required, in the case of the MCRN Tachi: assuming the tanks can hold ∼ 20 tonnes of reaction mass the ship could burn at 0.3g for at least 4 months before running out of fuel.

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