Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uflorida!ukma!rutgers!att!cbnews!military@att.att.com From: military@att.att.com (Bill Thacker) Newsgroups: sci.military Subject: "Subject" equation Message-ID: <6099@cbnews.ATT.COM> Date: 1 May 89 03:01:39 GMT Sender: military@cbnews.ATT.COM Lines: 24 Approved: military@att.att.com From: military@att.att.com (Bill Thacker) I seem to recall having some people from the Ballistic Research Lab reading this group, so I'm sure someone out there can answer this one... Does anyone have what I believe is called the Subject Equation ? The formula allows one to calculate the effective thickness of sloped armor; that is, given a 50mm plate sloped 50 degrees from vertical, it's effective thickness might be 85mm or so. Blitzkrieg (tanks in advance) - - - - - - - - - - - - - - - - - - - - - - - Bill Thacker moderator, sci.military military@att.att.com (614) 860-5294 "War is a matter of vital importance to the State; the province of life or death; the road to survival or ruin. It is mandatory that it be thoroughly studied." - Sun Tzu