Wound Ballist"Ics Review
Total Page:16
File Type:pdf, Size:1020Kb
$20.00 International Wound Ballistics Association WOUND BALLIST"ICS REVIEW JOURNAL OF THE INTERNATIONAL WOUND BALLISTICS ASSOCIATION Number 1 Buckshot, The Number 1 Choice -Gus Cotey, Jr. Technical Comment On Buckshot Loads -Duncan MacPherson More Information On The Matchking Bullet -Ernie J. Tobin RifleAm munition Performance Through Barriers -Lt. Stephen C. Robertson Windshield GlassPenetration -Duncan MacPherson -Lt. Ed Fincel Clinicians'Inadequate Description of Gunshot Wounds Obstruct Justice -Martin L. Fackler, MD VOLUME 2 1996 NUMBER 4 INFORMATION FOR AUTHO RS The Wound Ballistics Review welcomes manuscripts, articles, short notes and letters to the editor that contribute to the science of wound ballistics. Publication preference will lean strongly toward pertinent papers with clear practical applications. We invite cogent reviews of articles, books, news items, etc. Our WOUND BALLISTICS REVIEW goal is to commend good documentation as well as to point out the errors in the wound ballistics literature. The Wound Ballistics Review especially requests our readers' help in submitting short reviews which JOURNAL OF THE INTERNATIONAL WOUND BALLISTICS ASSOCL� TION correct errors noted in the literature. The review of all manuscripts reporting original work will be open; the names of reviewers will be given to VOLUME 2 1996 NUMBER 4 authors of rejected papers and will be made available upon request to anyone. Articles are accepted only for exclusive publication in IWBA, and when published, the articles and TABLE OF CONTENTS illustrations become the property of IWBA. ... ... ... ... ....... .. ........... ..... .. .. ...... ...... ... ........ Member Questions & Comments . 3 . ... .. .. .. .. ... .. .. ... .. .. ... ... .. .. .... .. .. .... ... .... 6 Letters to tile Editor . .. If submitting a letter or review which refutes or points out errors in another work, please provide the .. ....... ... ...... .... .. ..... ... 10 ... ....................... Number 1 Buckshot, Tile Number 1 Clwice . address of the source (please include a copy of the article reviewed-these will be returned if requested). -Gus Cotey, Jr. In submitting original work, the manuscript and one copy are required; one set of high quality illustrations .. .. .. ... .. ............ ................................ .......... 19 is required; black and white is preferred. Author's name must be clearly identified on the title page with Technical Comment On Buckshot Loads . .. addresses and telephone number. Manuscript must be double-spaced with ample margins (at least one inch - Duncan MacPherson on all sides) on standard (8 1/2" x 11 ") paper. NOTE: THE PREFERRED MANUSCRIPT FORM IS THE 3 112" (1.44 Meg or 720K) PC FLOPPY DISK WITH THE FILE AND A COPY. Most HARD . .... ..... ... 22 . ..... ...... ... .. .. .. Bullet .. .. .. major PC word processing files are acceptable but WordPerfect or Microsoft Word are preferred. (Please More Information On Tile Matcllking .. convert files to WordPerfect 5.1 or 6.0, or to Word for Windows 3.0--7.0.) PLEASE DO NOT - Emie J. Tobin PROVIDE COMPUTER TEXT WITH SPECIAL FONTS OR LAYOUTS: PLAIN: SIMPLE TEXT WITHOUT GRAPHICS OR MERGE FIELDS. Any graphs, tables, charts, etc. should be supplied as . .... ... .. .. ... ... Rifle Ammunition Performance Tllrougll Barriers ...... ... ... ... .. ... 25 separate files and/or with a clean, high quality paper copy. Legends for all illustrations should be listed in -Lt. Stephen C. Robettson order, double-spaced. An abstract of 150 words or less should precede the text. appear at . ... and cited ........ ... text of . order .. ...... ... the . ............... within in the the conclusion ..... References are to be numbered sequentially Windshield Glass Penetration....... .. ........................... 35 be given in books, cited as references. the article. Page numbers must - Duncan MacPherson EXAMPLES: -Lt. Ed Fincel 1. Book: Broad W, Wade N, Betrayers of the Truth. New York, .. ........... Simon & Schuster, 1982, p 192 Clinicians' Inadequate Descriptions of Gunshot Wounds Obstruct Justice. .. ....... 40 - Mattin L. Fackler. MD 2. Article in periodical: Fackler ML, Surinchak JS, Malinowski JA, et al. Bullet fr agmentation: A major cause of tissue disruption. J Trauma 1984;24:263-266. .. .... .............. ........ .. ... ... ........... .. ... ..... .. .. ..... .... ... .. .. Book Review... ...... ... ... 44 Vol 2, No. 4 1 WOUND BALLIST ICS REVIEW JOllRNAL OF THE INTERl\'ATIONAL \\'OllND BALLISTICS ASSOCIATIOl' .101JRNAL OF THE INTERNATIONAL WOUNDBALLISTICS ASSOCIATION IWBA ORGANIZATION MEMBER QUESTIONS The InternationalWound Ballistics Association(IWBA) is an IRS 501(c)(3) non-profit scientific,educational, and publicbenefit California corporation with Federal10#94- 3136817. One of the purposes of the IWBA is to provide 10 years ago. The principle problem was precisely The IWBA is devotedto the medicaland technical studyof wound ballistics, including the one you mention; in the presence of heavy evaluation of literature in the field as well as encouraging and promoting new work. information to the members. Questions sent in by members that are of general interest will be answered clothing or other barriers these early JHP bullet The WOUND BALLISTICSREVIEW is the Journal of the IWBA. in the Wound Ballistics Review in a format like this. designs often just plugged up and expansion was Members are encouraged to submit any questions inadequate at best (more detail on this history is that they may have or any comments they wish to given in Chapter 3 of Bullet Penetration). Solutions Board of Directors make to the IWBA office address. to this problem have been aggressively pursued by all the major US ammunition manufacturers over the Lucien Haag Alexander Jason Martin L Fackler, MD C. last decade. The best solution to this JHP handgun Wound Ballistics Consultant Criminalist Ballistics Consultant cartridge design problem is not a lighter bullet or Questions & Answers Gainseville, FL Carefree, AZ Pinole, CA supersonic velocities (both of which incur other problems), but in more sophistic:ated mechanical Torrey D. Johnson Peter G. Kokalis Douglas Lindsey, MD, DrPH designs for the JHP bullets that provide robust QUESTION: I am a Senior Constable of Police expansion (i.e., do not require special conditions for Criminalist Firearms Consultant Professor of Surgery, Emeritus stationed at the Operational Safety and Tactics good expansion). The key to this is to have a bullet Las Vegas NV Phoenix, AZ Cortaro, AZ Training Unit (OSTTU formally FOSTU) and am design that is. not critically dependent on having the currently involved in a review of police service equivalent of fluid pressure conditions to initiate Duncan MacPherson Eugene Wolberg ammunition. As with all such inquiries the usual expansion. The explanation of bullet expansion "Supersonic vs Subsonic" arguments are being EngineeringConsultant Criminalist given in Chapter 7 of Bullet Penetration shows why thrown around with little regard to scientific El Segundo, CA San Diego, CA a slightly subsonic bullet has plenty of capability for evidence. Our current situation is that we use 147gr expansion if the hollow point design permits JHP ammunition in our .38spl revolvers and there adequate utilization of the dynamic forces available. are certain sections of the Department that think that Great progress in design of JHP handgun bullets this round, whilst being most effective in terms of has been made in the last few years, and the best Allmatters related to membershipshould bedirected to: "Stopping Power" does tend to over-penetrate. The designs of most major US ammunition IWBA, Box 701, El Segundo, CA 90245-701; the officetelephone is (310) 640-6065. PO argument being put forward is that when these manufacturers perform very well against heavy rounds encounter clothing, that the clothing forms a clothing. Note that most of these manufacturers are plug which prevents the projectile from expand�ng still making ammunition with inferior bullet designs efficiently, once it enters the body, hence allowmg (especially in high velocity loads) for the unsophisti WOUND BALLISTICS REVIEW over penetration. They further claim that this is not a cated user market. problem when using lighter weight i.e. 110gr hollow Journal of the International Wound Ballistics Association The RCMP recently undertook a very point ammunition as its supersonic velocity negates detailed study of both 9mm and 1Omm ammunition ISSN 1055-0305 ©Copyright 1995, IWBA. All Rights Reserved the problem. to serve as a guide to selection of RCMP issue My question is what effect (if any) does ammunition. The study report results are given in clothing play in relation to the expansion of a JHP Editor-in-Chief: Martin L. Fackler some detail in V2, #3 of the Wound Ballistics Production Manager: Duncan MacPherson projectile at sub-sonic velocities, specifically if a Review. On page 21 there are photographs of 147 "plug" of clothing were to be forced into the hollow grain 9mm JHP bullets from four different Design & Production -Townsend Document & Design point prior to its entering the body? manufacturers fired through heavy clothing into A.J. Rowlands ballistic gelatin; all have good expansion that is S/Const. 25943, B.Sc., Australia similar to the expansion in bare gelatin (shown on The WOUNDBALLISTICS REVIEWis issuedtwice a year. Subscriptio� areincluded with page 20). The data summary on page 19 shows membership, but are available withoutmembership. Du��are $40 for four 1ssues of the IWB� that