minus-squareJonC@programming.devtoTechnology@lemmy.world•A Stunning Fusion Rocket Could Cut Interplanetary Travel in Half—and We'll Try It in Just 2 YearslinkfedilinkEnglisharrow-up4arrow-down1·edit-219 days agoShip 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! linkfedilink
minus-squareJonC@programming.devtoThe Far Side@sh.itjust.works•6 October 2024linkfedilinkEnglisharrow-up1·6 months agoDarrell was educated here linkfedilink
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!