Re: How to Cool a Planet (far fetched ideas)

On 30 Jun 2006 09:19:43 -0700, in a place far, far away,
ianparker2@xxxxxxxxx made the phosphor on my monitor glow in such a
way as to indicate that:


Rand Simberg wrote:

We have had discussions on various types of lauch technology. NASA BTW
has now decidedc to replace the Shuttle with expendible rockets.

Yes, a foolish decision (not replacing the Shuttle but replacing it
with expendables).

I think the long and short of it is :-

1) The Shuttle costs twice as much per kg as expendibles.

Which says nothing about the cost of space transports in general.

2) A new development would be expensive, and the money dsimply is not
there.

Money seems to be there to build a huge, and operationally
unaffordable heavy lifter.
.

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