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Re: starship-design: Re: Re: Fwd: Re: starship design

>KellySt@aol.com writes:
 >> You have a lot of numbers, but I don't know where you
>> got them from.  How does a 20,000 pound engine with
>> shielding give 600,000 pounds of sustained 
 >> thrust?  Where do you get those weight numbers from?

> Uh, Kelly, an engine can produce more thrust than its weight.

Yeah, but a 30 - 1 thrust to weight ratio is pretty good, and this is a 
anti-mater to pion drive.  Optimistic.