"2001 A Space Odyssey" space station: Rotating or contra-rotating?

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The discussion centers on the design of a space station similar to that in "2001: A Space Odyssey," specifically whether it should be rotating or contra-rotating. Participants debate the advantages and disadvantages of each approach, noting that a rotating design could provide artificial gravity but poses significant docking challenges due to relative velocities. Concerns are raised about the safety and complexity of a contra-rotating docking system, which could lead to catastrophic failures during approach. A simpler, fixed docking mechanism is suggested as more fault-tolerant, allowing for easier navigation and reduced risk of collision. Overall, the consensus leans towards a rotating hub for simplicity, despite the docking complications it introduces.
  • #61
Ibix said:
The Earth is 12,800 km across and the lunar tides vary water height by a few meters. You'd have to do the calculations for a relatively close pass of the Sun (the mass is a lot more than the Moon, but you can't get so close as we are to the Moon).
The Cylindrical Sea is only 20km across - much smaller than the largest lakes, which do not experience tides to-speak-of. Someone needs to do some calcs (not 'it'!).
 
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  • #62
A reminder that AC Clarke's memorably elegant 2001 docking sequence was a blatant 'Middle Finger' to his critics who'd said docking with a rotating space-station was 'impossible'.
Non-trivial, certainly, and needing those computer-assists to be sure, to be sure...

Also, perhaps, he did rather 'over-egg the pudding'.
A telescopic 'air-bridge' or tele-handler that allowed connection at a safe-to-breakaway distance, then hauled the 'secured' arrival indoors would have been wiser.
My 'Convention' tales call such 'Mantis Grapples'...

( I've never heard of mantids hunting in threes or fours, but... )
 

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