Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!wuarchive!gem.mps.ohio-state.edu!tut.cis.ohio-state.edu!att!cbnews!military From: gwh%typhoon.Berkeley.EDU@ucbvax.Berkeley.EDU (George William Herbert) Newsgroups: sci.military Subject: Re: Caseless ammo Message-ID: <10661@cbnews.ATT.COM> Date: 27 Oct 89 03:29:10 GMT Sender: military@cbnews.ATT.COM Organization: ucb Lines: 43 Approved: military@att.att.com From: gwh%typhoon.Berkeley.EDU@ucbvax.Berkeley.EDU (George William Herbert) In article <10572@cbnews.ATT.COM> amoss%BATATA.BITNET@CUNYVM.CUNY.EDU (Amos Shapira) writes: > The caseless 4.7mm round for the (still experimental) H&K G-11 AR. There >is a multitude of round types. > > The round itself looks like this (very rough): > > :-----------: > : ----\ > : ----/ > :-----------: > > :--powder---:projectile: > > > The powder block is really boxlike, albeit with rounded corners. I read >an article about it quite some time ago (1.5 years?), and the rifle was >deemed excellent. Any comments? Minor innacuracy. That was the _old_ G11 ammo. the new stuff looks like (drum roll please...) --------------------------| | _______________| |* |/----_____ |* |\____----- |* ---------------| |__________________________| ^primer ^bullet^ [propellant completely surrounds the projectile.] This was done to help counter the cook-off tendencies... or indirectly. They had to derate the propellant to prevent cookoff, needed more, and moved the boundary forward... **************************************** George William Herbert UCB Naval Architecture Dpt. (my god, even on schedule!) maniac@garnet.berkeley.edu gwh@ocf.berkeley.edu ----------------------------------------