New answers tagged physics
5
votes
Is engine thrust noticeably increased near the ground?
In the context of your question, whether there is a thrust-enhancing ground effect either during take-off or terminal landing, the answer is apparently "no".
Citing "Mars Exploration ...
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5
votes
Accepted
How to plot a satellite's orbit around Earth in MATLAB?
Like the comment above mentions, you wouldn't need mass of the satellite unless its a Deathstar. Also, you would need the initial values of elements you want to propagate.
Since you mention that you ...
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4
votes
Could a laser ablation-based propulsion system really accelerate an object to 0.001 c?
This should be useful to you. Take especial note of the method of bombarding afoil with a femotsecond pulse beam to emit relativistic ions. Granted, not sure if that would work with beam propulsion ...
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5
votes
How does Spinlaunch manage the counterweight right after launch?
Following Christopher James Huff great comment, some heavy counterweight on a very short arm could roll inside a cage.
When spinning up the whole thing is balanced, the counterweight spins and rolls ...
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8
votes
How does Spinlaunch manage the counterweight right after launch?
Spinlaunch releases the counterweight at the same time as the vehicle. Their patent says:
The launch vehicle 105 may be released from the launch vehicle tether...
Simultaneously, the counterweight ...
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