Linked Questions

5
votes
4answers
1k views

Is non-evacuated tube maglev launch possible? [duplicate]

I heard about evacuated tube transportation technology and it's application to launch cargo or even shuttles to space. Example of such project would be StarTram. The fact that acceleration phase to ...
6
votes
1answer
3k views

Is it possible to literally shoot something into space? [duplicate]

Regular spaceship missions are effective but also incredibly expensive. The most discussed alternative of them would be the space elevator, but with our current technology, it isn't possible to ...
0
votes
1answer
127 views

Why aren't rockets launched by a ground explosion through a gun barrel? [duplicate]

I'm watching this clip of a Russian anti-sat or anti-ICBM rocket launched from a silo and of course note that its early acceleration is much higher than for large spacecraft launchers. Why isn't cargo ...
0
votes
0answers
131 views

What factors prohibit building a space cannon to launch raw materials? [duplicate]

I am envisioning a magnetic cannon to launch materials directly from Earth's surface to geosynchronous equatorial orbit. The parameters I have in mind are a near vacuum launch tube, about 10 km in ...
-1
votes
1answer
110 views

Magnetic Launcher for a Spacecraft [duplicate]

Is it possible to launch a spacecraft into space with a magnetic accelerator? If so, what materials would it require?
0
votes
0answers
52 views

American Railgun and rocket [duplicate]

So I've seen the railgun before, and it suddenly come up in my mind: can we accelerate a space shuttle/rocket to a high speed,before turning on the engines?Will it save fuel of destroy electronics?
59
votes
4answers
7k views

Can gunpowder get you to the moon?

In 'From the Earth to the Moon' (1873) by Jules Verne, A huge cannon is used to send a spaceship to the moon. A lively discussion in chapter IX leads to using 400,000 pounds of fulminating cotton to ...
16
votes
5answers
20k views

Can magnets be used to launch spacecraft?

I assume there is some reason we don't use magnets to launch off Earth. Are they not strong enough? Isn't magnetic force technically stronger than gravity?? Would either of these work: A tube tunnel ...
30
votes
3answers
5k views

What is the total mass sent into orbit over all history?

I would like to find a good estimate of the sum total amount of payload that humans have put into space, that is, over all years, all space programs, and all types of payload that reached orbit. ...
5
votes
7answers
721 views

Vacuum launch, essentially free after system built

Outside Earths atmosphere is the vacuum of space and its immense power. If a cylindrical tube of sufficient strength and size were built tall enough to reach the edge of atmosphere would it not be ...
11
votes
3answers
2k views

What would make a rocket sled launch feasible?

Wikipedia introduces the idea of a Rocket Sled Launch (also catapult launch, ramped launch, etc) as follows: With this concept the launch vehicle is supported by an eastward pointing rail or maglev ...
5
votes
2answers
1k views

Could an Earth volcano impart escape velocity on lightweight matter?

When a big volcano erupts like Krakatoa or Mt St Helens does it send steam, smoke, dust, rocks high enough and fast enough to escape Earth? Could any lightweight matter from a volcano actually get ...
13
votes
3answers
618 views

Is there any research going on launching into orbit with “space guns”? Why (not)?

Many have said that rocket launches are an outdated and inefficient technology and have predicted that other technologies will take over, yet to date, it's still the only thing we have to launch into ...
2
votes
3answers
540 views

Could pull from a space elevator be used to assist a rocket launch?

Well, more specifically, using a counterweight like you'd find in a non-space elevator to give the rocket a little acceleration before firing up and spending all that fuel-to-lift-the-fuel-to-lift-the-...
-5
votes
1answer
159 views

would launching from a vacuum tunnel in a mountain from a 45 degree angle be the best way to launch a space shuttle [duplicate]

I have a answer from the last question that I asked (yes the rail-gun one) and was wondering if it could possible work (My spelling is shit by the way ) sorry about not saying this there is mettle ...