Re: It's In-Line (Shuttle Derived)
- From: "Ed Kyle" <edkyle99@xxxxxxxxxxx>
- Date: 24 Jun 2005 20:02:26 -0700
Henry Spencer wrote:
> In article <1119643422.536838.208690@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
> Ed Kyle <edkyle99@xxxxxxxxxxx> wrote:
> >I think it is a sound opinion, considering that
> >the Mars reference missions call for 200 to 800 tonnes
> >of payload to low earth orbit for each Mars mission...
>
> That puts a big priority on being able to launch it *cheaply*, since
> there's so much of it.
>
> When somebody needs 200 tons of machinery installed in a new factory, they
> do not start looking for a 200-ton truck.
That's because trucks are reusable. If each
truck could only make one trip before its
destruction, buyers would find themselves
wanting fewer, bigger trucks because that
would be the cheapest solution.
- Ed Kyle
.
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