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Old 02-24-2020, 04:18 AM   #33
Rupert
 
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Join Date: Aug 2004
Location: Wellington, NZ
Default Re: Coolant [Spaceships]

Quote:
Originally Posted by dcarson View Post
Found a site with worked numbers. https://space.stackexchange.com/ques...-get-you-there

These are all from earth

The Moon / Luna:
Closest to Earth (Supermoon): 356,577 km
Travel time (at 9.80665 m/s2, no deceleration): 2h 22m 12s
Travel time (at 9.80665 m/s2, decelerating halfway): 3h 20m 24s

So turnover at 1h 40m gives you 42m to stop it. Should be doable if it isn't a warship with armor and point defenses.

Mars:
Closest to Earth: 65 million km
Travel time (at 9.80665 m/s2, no deceleration): 1d 7h 58m 5s
Travel time (at 9.80665 m/s2, decelerating halfway): 1d 21h 13m 1s
Turnover at 23h, gives about 9 h to stop it.

That all sounds like you can with procedures and pre planned interceptors deal with it.

Lots of possibility for complacency, budget cutting and such to make it a PC problem that they have to make do.
Thing is, you can't 'stop' it - you have to either deflect it or blow it into bits too small to harm whatever they're going to hit. This what what I mean about 'draconian penalties', and 'being thorough' - you need to make the call and then act swiftly, and the correct action is to blow the ship and everyone in it into teeny tiny pieces.
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