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A Stunning Fusion Rocket Could Cut Interplanetary Travel in Half—and We'll Try It in Just 2 Years
(www.popularmechanics.com)
this post was submitted on 31 Mar 2025
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are these calculations correct?
https://www.desmos.com/calculator/4d7lq5iazh
collapsed inline media
Ship gets lighter as more fuel is destroyed. Ship gets heavier as it gets closer to light speed.
At 90% of light speed, the ship’s mass would be around 2.3x its rest mass.
I haven’t looked at your calculations in detail, but you seem to be missing that important point!