Technical Report ARMET-TR-09049 - Fuze M-228

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AD AD-E403 290 Technical Report ARMET-TR-09049 M228 FUZE IGNITER PRESSURE MEASUREMENT PART1 Eugene Homentowski Neha Mehta Gartung Cheng Emily Cordaro July 2010 U.S. ARMY ARMAMENT RESEARCH, DEVELOPMENT AND ENGINEERING CENTER Munitions Engineering Technology Center Picatinny Arsenal, New Jersey Approved for public release; distribution is unlimited. 20100820114 The views, opinions, and/or findings contained in this report are those of the author(s) and should not be construed as an officia
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  AD   AD-E403   290   Technical   Report ARMET-TR-09049   M228   FUZE   IGNITER   PRESSURE   MEASUREMENT   PART1   Eugene   Homentowski   Neha   Mehta   Gartung   Cheng   Emily   Cordaro   July   2010   U.S.   ARMY   ARMAMENT   RESEARCH,   DEVELOPMENT   AND   ENGINEERING   CENTER   Munitions   Engineering   Technology   Center   Picatinny   Arsenal,   New   Jersey   Approved   for   public   release;   distribution   is   unlimited.   20100820114    The   views,   opinions,   and/or   findings   contained   in   this   report   are   those   of   the   author(s)   and   should   not   be   construed   as   an   official   Department   of   the   Army   position,   policy,   or   decision,   unless   so   designated   by   other   documentation.   The   citation   in   this   report   of   the   names   of   commercial   firms   or   commercially   available   products   or   services   does   not   constitute   official   endorsement   by   or   approval   of   the   U.S.   Government.   Destroy   this   report   when   no   longer   needed   by   any   method   that will   prevent   disclosure   of   its   contents   or   reconstruction   of   the   document.   o   not   return   to   the   srcinator.    REPORT   DOCUMENTATION   PAGE   Form   Approved   OMBNo.   0704-01-0188   The   public   reporting   burden   for   this   collection   of   information   is   estimated   to   average   hour   per   response,   ncluding   the   time   for   reviewing   instructions,   searching   existing   data   sources,   gathering   and   maintaining   he   data   needed,   and   ompleting   and   eviewing   he   collection   of   information   end   omments   egarding   his   burden   estimate   or   any   other   aspect   of   this   collection   of   information,   including   suggestions   for   reducing   the   burden   to   Department   of   Defense,   Washington   Headquarters   Services   Directorate   for   Information   Operations   and   Reports   (0704-0188),   1215   Jefferson   Davis   Highway,   Suite   204,   Arlington,   VA   22202-4302.   espondents   should   be   aware   that   notwithstanding   any   other   provision   of   law,   no   person   shall   be   subject   to   any   penalty   for   failing   to   comply   with   a   collection   of   information   if   it   does   not   display   a   currently   valid   OMB   control   number.   PLEASE   DO   NOT   RETURN   YOUR   FORM   TO   THE   ABOVE   ADDRESS.   1.   REPORT   DATE   (DD-MM-YYYY)   July   2010   2.   REPORT   TYPE   3.   DATES   COVERED   (From-   To)   June   to   September   2008   4.   TITLE   AND   SUBTITLE   M213   FUZE   IGNITER   PRESSURE   MEASUREMENT,   PART   1   5a.   CONTRACT   NUMBER   5b.   GRANT   NUMBER   5c.   PROGRAM   ELEMENT   NUMBER   6.   AUTHORS   Eugune   Homentowski,   Neha   Mehta,   Gartung   Cheng,   and   Emily   Cordaro   5d.   PROJECT   NUMBER   5e.   TASK   NUMBER   5f.   WORK   UNIT   NUMBER   7.   PERFORMING   ORGANIZATION   NAME(S)   AND   ADDRESS(ES)   U.S.   Army   ARDEC,   METC   Energetics,   Warheads   &   Manufacturing   Technology   Directorate   (RDAR-MEE-W)   Picatinny   Arsenal,   NJ   07806-5000   8.   PERFORMING   ORGANIZATION   REPORT   NUMBER   9.   SPONSORING/MONITORING   AGENCY   NAME(S)   AND   ADDRESS(ES)   U.S.   Army   ARDEC,   ESIC   Knowledge   &   Process   Management   (RDAR-EIK)   Picatinny   Arsenal,   NJ   7806-5000   10.   SPONSOR/MONITOR'S   ACRONYM(S)   11.   SPONSOR/MONITOR'S   REPORT   NUMBER(S)   Technical   Report   ARMET-TR-09049   12.   DISTRIBUTION/AVAILABILITY   STATEMENT   Approved   for   public   release;   distribution   is   unlimited.   13.   SUPPLEMENTARY   NOTES   14.   ABSTRACT   The   M67   hand   grenade   is   a   traditional   pull-pin   grenade,   widely   used   by   the   U.S.   Army   and   Marine   Corps.   Pulling   the   pin   in   the   grenade's   fuze   (the   M213)   releases   the   spoon   and   the   hammer,   which   hits   the   primer   at   the   top   of   the   fuze   body   initiating   the   delay   firing   train   (C70   det).   This   fuze   train   is   simple   and   has   functioned   well   and   reliably   in   grenades   for   decades.   nfortunately,   it   also   has   major   safety   issues.   ny   unwanted   stimulus   that   causes   the   primer   to   function,   like   fire,   initiates   the   entire  fuze  train.   he   large   quantities   of   primary   explosive   in the detonator can   also   be   detonated   by   external   stimulus   with   enough   energy   to   function   the   entire   grenade.   his   report   describes   the   tests   that   were   conducted   to   measure   the   pressure   generated   when   the   primer   was   ignited   by   removing   the   pin   and   allowing   the   striker   to   impact   the   primer.   This   was   done   with   training   round   fuze,   M228,   which   has   same   primer   and   delay   element.   15.   SUBJECT   TERMS   M67   grenade   228   and   M213   fuze   Pressure   16.   SECURITY   CLASSIFICATION   OF:   a.   REPORT   u   b.   ABSTRACT   u   c.   THIS   PAGE   u   17.   IMITATION   OF   ABSTRACT   SAR   18.   NUMBER   OF   PAGES   23   19a.   NAME   OF   RESPONSIBLE   PERSON   Neha   Mehta   19b.   TELEPHONE   NUMBER   (Include   area   code)   (973)   724-2912   Standard   Form   298   (Rev.   8/98)   Prescribed   by   ANSI   Std.   Z39.18    ACKNOWLEDGMENTS   U.S.   Army   Armament   Research,   Development   and   Engineering   Center,   Picatinny   Arsenal,   New   Jersey   personnel   who   were   involved   in   making   the   pressure   measurements   were   from   the   Explosives   Development   Branch   and   Warheads   Branch   of   the   Munitions   Engineering   Technology   Center.   Engineers   from   PCB   who   were   consulted   were   Rick   Bovenkerk   and   Tom   Glenn.  
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