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- Path: sparky!uunet!wupost!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!emory!wa4mei!ke4zv!gary
- From: gary@ke4zv.uucp (Gary Coffman)
- Newsgroups: sci.space
- Subject: Re: Antimatter (was propulsion questions)
- Message-ID: <1992Jul26.075259.15959@ke4zv.uucp>
- Date: 26 Jul 92 07:52:59 GMT
- References: <711790218snx@osea.demon.co.uk> <LNweoB1w164w@sys6626.bison.mb.ca> <BrwF7B.FMJ@watdragon.waterloo.edu> <mikew.712022819@kpc.com>
- Reply-To: gary@ke4zv.UUCP (Gary Coffman)
- Organization: Gannett Technologies Group
- Lines: 14
-
- In article <mikew.712022819@kpc.com> mikew@kpc.com writes:
- >jdnicoll@watyew.uwaterloo.ca (James Davis Nicoll) writes:
- >> Given that one can mix the antimatter-reaction mass ratio to get
- >>the Vexhaust one wants, the dangers of standing in the vicinity of the
- >>exhaust of an antimatter powered ship could be *identical* to that of
- >>standing inthe vicinity of a conventional ship.
- >Actually there is one piece of information missing here. In a conventional
- >rocket most of the exhaust is being used to push more fuel closer to orbit.
- >In an antimatter rocket, you have a much higher payload/fuel ratio, so for
- >the same payload, there will be much less exhaust.
-
- But lots more gammas. Not a happy thought for the launch pad.
-
- Gary
-