Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!uwm.edu!csd4.csd.uwm.edu!markh From: markh@csd4.csd.uwm.edu (Mark William Hopkins) Newsgroups: sci.space.shuttle Subject: Re: Propellant velocity Message-ID: <12430@uwm.edu> Date: 25 May 91 04:54:45 GMT References: <12344@uwm.edu> <1991May22.164754.22298@zoo.toronto.edu> Sender: news@uwm.edu Organization: University of Wisconsin - Milwaukee Lines: 11 In article <1991May22.164754.22298@zoo.toronto.edu> henry@zoo.toronto.edu (Henry Spencer) writes: >> What does the latest research on this issue have to say? > >What latest research? There is only the barest dribble of research, >and no development of flight-worthy hardware to speak of. Personally, I was expecting to hear an answer like: "the USAF is currently conducting research with fission-based propulsion with expellant velocities as high as 1000 KILOMETERS per second." No development? Say it ain't so.