Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!emory!att!cbnews!cbnews!military From: elec140@csc.canterbury.ac.nz Newsgroups: sci.military Subject: Re: Scramjets Message-ID: <1990Dec4.003144.11017@cbnews.att.com> Date: 4 Dec 90 00:31:44 GMT References: <1990Nov20.021943.27530@cbnews.att.com> <1990Nov21.222203.20991@cbnews.att.com> <1990Nov27.045102.3975@cbnews.att.com> <1990Dec3.050627.2654@cbnews.att.com> Sender: military@cbnews.att.com (William B. Thacker) Organization: University of Canterbury, Christchurch, New Zealand Lines: 26 Approved: military@att.att.com From: elec140@csc.canterbury.ac.nz In article <1990Dec3.050627.2654@cbnews.att.com>, henry@zoo.toronto.edu (Henry Spencer) writes: > From: henry@zoo.toronto.edu (Henry Spencer) >>From: beede@sctc.com (Mike Beede) >>No need for supersonic speed -- a ramjet can work fine at much lower >>speeds... > > Work, yes. Fine, no. :-) Subsonic ramjets can be built, but their > performance is terrible. For practical purposes, ramjets are of little > interest until speed is at least transonic, and preferably highly > supersonic. If this is true, then where is the distinction between a ramjet and a scramjet? Is it to do with an external combustion chamber, or is this only one implementation of a scramjet? ********************************************************* Chris Kaiser Postgrad - Elec Eng Dept Canterbury University Christchurch, NEW ZEALAND E.MAIL: c.kaiser@elec.canterbury.ac.nz ********************************************************* Brought to you by Super Global Mega Corp .com