4 ms·
The Space Shuttle is not LEO on the cheap. The Sea Dragon does a lot better (as low as $8.90/lb, in 1963 dollars). http://www.dunnspace.com/leo_on_the_cheap.ht
by gravitycop 18y ago
The Space Shuttle is not LEO on the cheap. The Sea Dragon does a lot better (as low as $8.90/lb, in 1963 dollars).
http://www.dunnspace.com/leo_on_the_cheap.htm http://www.dunnspace.com/leo_on_the_cheap.htm
http://neverworld.net/truax http://neverworld.net/truax
http://neverworld.net/truax/Sea_Dragon_Concept_Volume_1.pdf http://neverworld.net/truax/Sea_Dragon_Concept_Volume_1.pdf
http://neverworld.net/truax/Sea_Dragon_Concept_Volume_3.pdf http://neverworld.net/truax/Sea_Dragon_Concept_Volume_3.pdf