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Re: RE: starship-design: Timothy's beamed power paper
> From: KellySt@aol.com
>
> [...]
> Note this assumes you can economically replace the plasma mirror mass. If
> you lose to much mass, you wouldn't be able to carry enough to sustain the
> mirror durring the deceleration phase.
>
> Oh, note that the mirror plasma will get hot! Probably enough to explode
> outward in all directions. This blast presure might be tapable to provide a
> bit of rocket thrust. My gut feel is that woldn't work thou.
>
Of course you can use such heated plasma as a rocked exhaust,
why not?
>[...]
> Since the sail can be any size you want. I scaled it to about 400 times the
> dry weight of the ship. That would let it decelerate from about 40%-43%(?)
> of light speed. Giving you a quick trip. For the ride back you mine more
> lithium-6. Burn it all accelerating back toward Sol. They deploy a
> compartivly tiny drag sail to decelerate you down into Sol (assuming
> someone will turn on the beam again).
>
And assuming you will be able to find the beam in the vastness of space...
-- Zenon
PS. Kelly, what happened to your charming spelling?
I'm rely worrid about yor helth or somthing... ;-)) -- Z