Reply to post: Re: 2 stroke, 4 star, Diesel?

Orion 'Mars' ship: Cosmic ray guard? Go. Parachutes? Go. Spacerock shield? Go!

mtp

Re: 2 stroke, 4 star, Diesel?

Launching from the Earth is much harder work than from the Moon so on the return trip huge and delicate cryogenic engines were not required.

https://xkcd.com/681/

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