Questions tagged [fusion]
The fusion tag has no summary.
8 questions
5votes
3answers
222views
${}^{3}$He based fusion propulsion, linear magnetic confinement with MeV protons out one end; new or old idea, and what are major challenges/concerns?
CNN's April 3, 2025 Nuclear-powered rocket concept could cut journey time to Mars in half describes a commercial effort to build a form of nuclear space propulsion based on fusion of very light ...
- 153k
17votes
4answers
4kviews
Would a torchship be legal?
The United Nations Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies explicitly states that States shall ...
- 3,376
3votes
2answers
210views
Can I move Hyperion to Mars with fusion rockets?
I'm working on a SciFi story set roughly in 2100 that takes place both on the moon and Mars. One plot point hinges on terraforming Mars, the biggest stumbling block being its lack of water and ...
3votes
1answer
430views
How long would it take to travel from the moon to the asteroid belt/Jupiter with fusion powered space travel?
I am writing a science fiction story that involves fusion powered space travel, but not constant acceleration like in the Expanse. Instead, the manned spacecraft accelerates at the beginning of the ...
- 31
1vote
0answers
67views
Use local acceleration and angular velocity to calculate rotation matrix
Can I ask if there are any python packages that can fuse local acceleration and angular velocity and get rotation matrix? Thank you!
6votes
4answers
661views
What is the most promising fusion technology for rocket propulsion?
Given current fusion technology (barely above q=1 as of the 12/12/22), is a fusion plasma torch rocket engine viable? I'm asking in terms of basic science, not engineering, as I know this would ...
- 1,195
2votes
2answers
574views
how does the direct fusion drive generate electric power?
According to its Wikipedia page, about 30% of the power "generated" by the DFD reactor can be used for electrical power. But wouldn't that make it have net positive energy? Since we are ...
- 6,350
2votes
1answer
323views
Potential Fusion Drive system calculation issue
I will start off by saying that this is an entirely hypothetical drive system with plenty of handwaving and optimistic physics. My question I think is fairly simple and may just be something that ...
- 173
