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Old November 17 2012, 10:25 PM   #363
Rear Admiral
Re: Envisioning the world of 2100

gturner wrote: View Post
pressure fed engines are even lighter than pump driven engines.
Something like Sea Dragon, but smaller doesn't need a gantry or carrier aircraft, and can pop out of the water like a cork. But Musk was forced off the coast due to range safety, and he probably has had a belly full of at-sea logistics.
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