Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!linus!decvax!ittvax!dcdwest!sdcsvax!sdcrdcf!hplabs!sri-unix!UI.MJM%CU20D@COLUMBIA-20.ARPA From: UI.MJM%CU20D@COLUMBIA-20.ARPA Newsgroups: net.space Subject: Re: Hypersonic == 5x speed of sound Message-ID: <1552@sri-arpa.UUCP> Date: Tue, 3-Jul-84 10:34:52 EDT Article-I.D.: sri-arpa.1552 Posted: Tue Jul 3 10:34:52 1984 Date-Received: Sat, 14-Jul-84 13:41:31 EDT Lines: 11 From: Martin J Mahoney In-Reply-To: Message from "Ron " of Tue 3 Jul 84 12:42:06-EDT Is there any reason the 5x was chosen? Was it chosen because it is a nice number or are there any aerodynamic reasons which makes travelling faster than Mach 5 different than travelling faster than Mach 1 Martin Mahoney ------- -------