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/sci/ - Science & Math

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>> No.14835312 [View]
File: 42 KB, 500x500, 020-06-28T140544.491.jpg [View same] [iqdb] [saucenao] [google]
14835312

>>14835305
Village motors are just small rockets used to help separate stages, the acceleration they produce also helps push the propellant 'down' in a tank, in this case it would push fuel 'down' into another craft

>> No.12447257 [View]
File: 43 KB, 500x500, Untitled-design-2020-06-28T140544.491.jpg [View same] [iqdb] [saucenao] [google]
12447257

>>12446662
This is what happens with reignitions. They are uncertain. They need ullage. But that is hard to accomplish when you are flipping and flopping and doing stunts.

I don't see the Martian astronauts surviving this. Better he just launches a more classic skycrane descent stage on top of superheavy, and lift off in a separate ascent stage to avoid flying rocks, as Apollo and Chang'e 5 did.

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