At 06:58 PM 8/12/02 -0400, [EMAIL PROTECTED] wrote:
>The design issue will be whether its easier to retract/remove the
>spike, turn the seats around, and come in nose first .. OR .. find some
>lightweight way to make the nozzles flush with the bottom.
Variable geometry is always a losing proposition in terms of
simplicity, maintenance, cost, weight, and failure modes. There's no
contest at all between fixed and variable geometry in terms of the factors
that matter for building workable, economical space launch vehicles.
-p
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