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Re: MARS HYBRID DESIGN II (First Draft)
>Here it is: the detailed design I promised (as detailed as I can make it at
>the moment anyway). But first: does the "interstellar drive group"
>selection that I now see on my address book now account for everyone in
>discussion team? Okay, on with the show.
>This "kgstar <firstname.lastname@example.org>" address is just Kelly at his work.
>You missed "email@example.com"
>Why didn't you just copy the list I sent you a while ago?
I'll use that list from now on when I'm just composing mail. Thanks for the
>MARS HYBRID DESIGN II (Kevin already submitted the first this morning)
>Total mission time: 50+ years
>Seems quite long, can it also be done in a shorter time?
Only if the doplar shift on the mirror redirecting the maser beam to Asimov
doesn't concern you. Frankly I don't yet have a good concept as to what
kind of trouble this doplar shift would give us as our reflecting mirror
An added note is that some may be concerned about aiming the reflector.
This shouldn't be a real problem if we are using those waveguide gyros that
Kevin has assumed.
>PHASE 1: LAUNCH OF PATHFINDERS
> At least one heavy pathfider vessel will be sent before the Asimov
>using maser sail to reach a terminal velocity of 1/3c. Pathfinder carries
>several thousand, heavy duty, heavy weight, individually targetable,
>disassembled mirror arrays that will be deployed roughly 30 years later
>TC (see reflectors in an upcoming posting). These arrays (probably making
>an effective 1000 km+ wide reflector) will reflect maser energy back to the
>Asimov for the deceleration phase. The Pathfinder may or may not have a
>crew depending on the level of automation available at the time of launch.
> Also, it may or may not carry emergency supplies for the Asimov should
>choose to match speed and dock during the deceleration phase.
>How are you going to stop this pathfinder, or are the mirrors moving
>TC with v=1/3c ?
The mirrors are disposable (a pity) and yes they are headed toward TC
>And in advance to your next letter, do the mirrors focus the maser-beam or
>do the reflect it "straight" back?
Hopefully we can construct them to do both.