[ExI] Written for another list

[J.R. Jones]

On Jul 31, 2012 3:28 PM, "Keith Henson" <hkeithhenson at gmail.com> wrote:
>
> On Tue, Jul 31, 2012 at 5:00 AM,   "Henrique Moraes Machado"
> <cetico.iconoclasta at gmail.com> wrote:
> > And what about that maglev launcher system that people have been talking
> > recently. Better or worse (if it ever get built)?
>
> A long time ago (before the net) I ran through the engineering
> numbers.  At this remove all I remember of that effort was that it
> really didn't look good at all.  It was barely possible on the moon.
>
> I have been ask this so many times that I should either look up a
> place where it is refuted or write one myself.  As I recall, at
> constant acceleration it takes too much power near the end, at
> constant power it gets too long.
>

We need space elevators, plain n simple*.
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