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What are the biggest challenges for high altitude rail-gun launch systems?

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WaterMolecule
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3 votes
1 answer
103 views

Alternative small mass payload transportation from the moon to L5 besides rail gun and mass driver?

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phil1008
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6 votes
2 answers
747 views

Aerodynamically - can a rocket be over 30 meters in diameter?

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Sumitra Mandal
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15 votes
1 answer
560 views

How much energy is lost by damping yaw from a SpinLaunch?

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Tristan
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12 votes
1 answer
573 views

What is the utility of this peanut-shaped ground facility?

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Waizenegger
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10 votes
3 answers
3k views

What is the largest and/or heaviest object that could be sent to space?

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conner bambrough
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3 votes
2 answers
2k views

How can I find sources for Launch Trajectories?

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R Edgar
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10 votes
3 answers
4k views

Do larger rockets tend to have a better mass ratio due to the square cube law?

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Hubert
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14 votes
1 answer
2k views

What computer programs does ITAR say I can or can not write, or share, or use in the US?

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Be Safe
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27 votes
1 answer
6k views

Why are Falcon 9 main engines throttled down and up shortly after launch?

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Ian Kemp
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7 votes
3 answers
3k views

Could a spacecraft take off from Earth using nuclear thermal rockets?

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Dan
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14 votes
4 answers
2k views

How does Spinlaunch manage the counterweight right after launch?

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uhoh
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16 votes
2 answers
2k views

Amateur satellite launch

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WilliamCornettPMP
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11 votes
3 answers
3k views

GSLV MK2 vs Falcon 9 - Reasons for Huge performance difference

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Russell Borogove
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