Path: utzoo!attcan!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!sdd.hp.com!spool2.mu.edu!news.cs.indiana.edu!att!cbnews!cbnews!military From: huntzing@PICA.ARMY.MIL (CCL-S) Newsgroups: sci.military Subject: Ballistic Missile - how fast? Message-ID: <1990Dec20.015234.27883@cbnews.att.com> Date: 20 Dec 90 01:52:34 GMT Sender: military@cbnews.att.com (William B. Thacker) Organization: AT&T Bell Laboratories Lines: 11 Approved: military@att.att.com From: "Hugh A. Huntzinger" (CCL-S) Bertil Jonell asks: }Does anyone know how fast the warhead of a ballistic missile travel during }final phase? GE does reentry simulation in a little known wind tunnel in south 'Philly; I always botch up the name...Hyperaeroballistic Chamber? At low pressures (millibars), they run around Mach 2 - 3 @ circa 5,000 F. Calculate the Mach number at this temperature to translate it to miles/second.