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5 votes

Are rockets deliberately throttled back towards the end of the burn to spare crew and airframe g-forces?

Partial answer submitted as a counterexample for "throttling down is done for humans onboard" The uncrewed final flight of the Saturn V, the launch of the Skylab, also "throttled down&...
Organic Marble's user avatar
3 votes

Are rockets deliberately throttled back towards the end of the burn to spare crew and airframe g-forces?

I expect the throttle-back was to limit the G-forces on the crew more than anything else. 3g is already pretty uncomfortable for a human, and anything higher could make the crew unable to respond in ...
Darth Pseudonym's user avatar
3 votes

What can possibly accelerate space elevator to these types of extreme velocities?

This is a challenge to write an answer for because a space elevator on earth may prove to be outside physics, so most detailed designs have focused on just the thread itself, with payloads as low as ...
GremlinWranger's user avatar
2 votes

Difference in using flat earth or round earth model for equation of motion

Spherical geometry is quite different than cartesian trigonometry.. the sum of all angles in a triangle can be up to 540°, distances are different etc. particular the initial choice of flight angle w....
AtmosphericPrisonEscape's user avatar
1 vote

Difference in using flat earth or round earth model for equation of motion

I'll dip my toe into the quicksand and try not fall in. Spaceflight math dates back to the era of pocket protectors and slide rules. If you needed more digits to say multiply or take a square root, ...
uhoh's user avatar
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