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Questions tagged [mass-driver]

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5
votes
4answers
166 views

Feasibility of a small mass driver?

When talking about non-rocket space launch, (specifically, launching things from earth into space) one idea that comes up often- and then gets quickly dismissed- is the idea of a Mass Driver- a rail ...
5
votes
2answers
616 views

What size payloads could we feasibly launch from the moon with a mass driver?

I've been wondering how large a payload could be launched & if it's viable to launch those payloads directly to the earth for splashdown & collection. Obviously the payload would need to be ...
2
votes
1answer
229 views

Does the combination of electromagnetics and scramjets offer a viable potential for horizontal-launch?

Most horizontal-launch systems envisioned in the past, that used electromagnetics as a launch-assist, were subsonic. In order to conserve fuel during launch and to keep engine-weight to a minimal a ...
16
votes
1answer
999 views

Is a railgun up Olympus Mons possible?

I know earth's atmosphere is a show stopper for rail gun launch to orbit from Earth's surface. The vacuum of the moon is often cited by lunar enthusiasts who point out lunar mass drivers could ...
3
votes
0answers
188 views

Would a mass driver that uses a cushion of air to suspend its capsule be more efficient?

The Hyperloop is like a mass driver - magnetically accelerate a capsule in an evacuated tube. But it uses air bearings and linear induction motors, unlike other designs. Considering SpaceX's CEO Elon ...