Space/Science — HabitableZone

Space/Science » in reply to Re: Could we put tourists on the moon for $20M apeice?

Re: Swingbys

Fascinating idea, a swingby à la Apollo 8.
But what I don't get is why need a cycler?
If a reusable cycler continuously performs the big "8", it will pass close to the Earth at a speed of 40,000 km/h. Now, the manned spaceship leaving the Earth with the tourists will have to anyway, on its own, be able to reach the speed from 28,000 km/h to 40,000 km/h...That means fuel, fuel that would have to come from Earth.
Why need a cycler?

Raoul

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