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And you're probably limited to fission or fusion power sources if you want enough power to achieve high enough thrust for crewed spaceflight with one of these d
by mhandley 6y ago
And you're probably limited to fission or fusion power sources if you want enough power to achieve high enough thrust for crewed spaceflight with one of these drives. Problem then is getting rid of the waste heat - you'll almost certainly be limited by radiator area.
- Retric 6y agoSolar panels provide a lot of powder for an Earth > Mars trip. You get ~1/2 the sunlight in Mars orbit but it’s still 24/7 365. So your ultra light ~40% efficient panels are averaging something like 350w/m2 * 520 days, which is worth hundreds of pounds of hydrogen + LOX.