Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!olivea!samsung!uunet!pilchuck!seahcx!phred!petej From: petej@phred.UUCP (Peter Jarvis) Newsgroups: sci.space.shuttle Subject: Re: New (!?!?!?!) Shuttle Computers Message-ID: <3361@phred.UUCP> Date: 21 Mar 91 14:03:46 GMT References: <1991Mar7.142311.10412@vaxa.strath.ac.uk> <6963@mace.cc.purdue.edu> <1991Mar11.201910.8476@casbah.acns.nwu.edu> <1991Mar12.003321.13988@zoo.toronto.edu> <3356@phred.UUCP> <1991Mar19.235853.6842@zoo.toronto.edu> Reply-To: petej@phred.UUCP (Peter Jarvis) Organization: <1991Mar19.235853.6842@zoo.toronto.edu>o Lines: 11 In article <1991Mar19.235853.6842@zoo.toronto.edu> henry@zoo.toronto.edu (Henry Spencer) writes: > >..... but there's hardly any >fundamentally new technology in the IUS. It's a very ordinary two-stage >solid rocket. Well what would you have designers put into a solid rocket booster besides stronger, lighter (composites) casings and new electronics? Those items are not trivial. The fuel? They've probably optimized solid rocket propellant to burn the way they like it. What else are you looking for in a solid rocket motor? -- P.J.