Questions tagged [propulsion]

For questions about the process of moving an object forward by applying force, especially in the context of moving flying vehicles or spacecraft by applying thrust.

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5
votes
4answers
373 views

Fusion- or antimatter-powered propulsion: Which one will we likely develop first?

In terms of scientific and engineering challenges, which one is closer to fruition? Specifically I am looking for the feasibility of using one of these systems for space-only travel between the orbits ...
2
votes
2answers
47 views

Plausibility and possible applications of an antimatter-catalyzed nuclear pulse propulsion system? [closed]

How far are we today from using the technique of using microgram quantities of antimatter (say, antihydrogen) to catalyze a reaction in a sub-critical mass of fissile material for the purpose of ...
7
votes
1answer
782 views

Usability of fusion scoops in deep space?

How effective would it be to use fusion scoops as an actually effective method of interstellar travel? How quickly could you generate thrust? How much fuel would such a thing need, and would it work ...