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- Newsgroups: sci.space
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!rpi!newsserver.pixel.kodak.com!ekcolor!dj
- From: dj@ekcolor.ssd.kodak.com (Dave Jones)
- Subject: Re: *** BUSSARD RAMSCOOP ***
- Message-ID: <1993Jan8.144819.1031@pixel.kodak.com>
- Sender: news@pixel.kodak.com
- Organization: Morituri Te Salutent, Inc.
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- References: <C0IIG5.J1I.1@cs.cmu.edu>
- Distribution: sci
- Date: Fri, 8 Jan 93 14:48:19 GMT
- Lines: 20
-
- ganderson@nebula.decnet.lockheed.com wrote:
- > Henry Spencer's ramscope talk sparked a question in my small mind. How can
- > we talk about the performance of antimatter propulsion without knowing
- > the mass fuel ratio? How much hardware does it take to contain a "tank" of
- > antimatter (magnetic fields, etc.)? Does anyone have the input required
- > for insertion into the rocket equation???
- >
- You're just using the antimatter to heat hydrogen, so the rocket's
- efficiency is of the same order as the Nerva nuclear design: Isp = 850-1500
- or so, depending on how well it can be engineered.
-
- Robert Forward claims that the storage requirements of anti-H2 are modest
- if you use low enough temperatures and store it in solid form. Annihilation
- only occurs at the surface of the solid and can be controlled.
-
- I think we already had this discussion......
-
- --
- ||------------------------------------------------------------------------
- ||Dave Jones (dj@ekcolor.ssd.kodak.com)|Eastman Kodak Co. Rochester, NY |
-