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Re: starship-design: Re: Re: Fwd: Re: starship design
KellySt@aol.com writes:
> >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.
>
> Kelly
Rocket engines that have thrust well in excess of their weight
already exist. Otherwise we wouldn't be able to get rockets off
the ground. I don't see why you consider a 30::1 thrust::weight
ratio for an antimatter rocket optimistic considering the fuel
involved. Think about it.