Space/Science — HabitableZone

Space/Science » in reply to New Technologies (cont'd)

Re: New Technologies (cont'd)
Dave M — (archived)

Dr Blackwell,

Thanks, that explains a lot. However, I still don't understand how adding ion propulsion increases costs. The prototypes I've seen are small and light and use far less fuel than conventional engines. Is it just that they are power hungry or am I missing something else?

Dave M

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