provisional criteria for rapid inapacitatimf by fragments

7/24/2019 PROVISIONAL CRITERIA FOR RAPID INAPACITATIMf BY FRAGMENTS

1/23

UNCLASSIFIED

AD NUMBER

LIMITATION CHANGES

TO:

FROM:

AUTHORITY

THIS PAGE IS UNCLASSIFIED

AD111929

Approved for public release; distribution isunlimited.

Distribution: Further dissemination only asdirected by Ballistic Research Laboratory,ATTN: PAO/STINFO, Aberdeen Proving Ground, MD,NOV 1951, or higher DoD authority.

ARL per DTIC Form 55 dtd 24 Jul 2015


2/23

UNCLASSIFIED

.....................

.............................

............................................................

.............................

..............................................................................................................................................

..

.............................

............................................................

..............................

.................

................................................................................................................................................

.....................

....................

.......................................

...................

....................

...........

.......................................................................................................................................

..............................................................................................................................................................................

.............................

...

..

..

....

..

..

....

..

..

...........................

N.

**.'

.

.

...

.

.

..

.

.

.

..

.

.

..

.

..

..

.

.

.

.

.

..

.

...

.

..

..

.

...

..

.

.

..

...

.

..

..

.

...

..

.

.

..

..

.

..

..

..

...... ... ..........

U

....

...............

.. ...

........

..

....

..

..

...

..

...

....

.

...

..

....

....

..

.

..

....

..

.....

..

..

.....

...

..

.

...

.....

..

..........

...

.....

..

.......

..

...

.........

.

..........

...

..

...........

.

..

.....

..

...

.....

..

...

.....

..

...

.....

..

...

...... ........

AD-111

929

.............

....... .............. ........ ..................................................................

............

........................... ...

............... A.*-**

N

.G

E

S *

............ ....

..

.

.

... .

....

......

....

........

........................

...............

TO

UNCLASSIFIED

-------------------------------------------------------------------------------------------------------------------------------------------------

FROM

CONFIDENTIAL

..

.......

.......

...............

....

. .

......

..

.....

......

.......

..

...

.

........

..

...

.......

....

....

....

...

.......

...

..

......

...

...

.........

..

...........

.

...

...

....

.......

...

....

.

.

..

..

...

..

..

...

..

..

..

....

.

..

..

..

.

...

..

..

....

.

....

..

..

.

...

..

...

..

...

.....

...

......

.

...

......

...

..

...

..

.

.....

..

...

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

...........

.

.

.

.

.

.

...............

.

.

.

.

.

.......

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

........

.

.

.

.

..

...

.....

...

.....

..

..

...

...

..

.....

.

....

...

..

.....

..

.........

...

.........

..

....

.

...

..

..

.

..

....

.................

T-H

......

........

*"""%*'%%%%

''-

*

..

.

...........

....

...

.........

......

..

....

...

.

......

..

.....

..

...

.

..

...

...

..

.....

.

...

....

.

......

..

...

....

...

...

.....

...

.......................................

USABRL

Notice;

Oct

2, 1972

JAW

Document

Markings

THIS

PAGE

IS

UNCLASSIFIED


3/23

UNCLASSIFIED

....................................................................................................

. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . .

. . . . . . . . .. . . . . . . . . . . . . . . . ..

. . . . . . . . . . . .. . . . . . . . . . .. . .

. . .. . . .. . . . . . . . . . . .

.............................................

. . . . . . . . .. . . . .. . . . . . .

. . . . . . . . . .. . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . .. . .

. . . . . . . . .. . . . . . . . . . . . .. . . . .. . .

.

. . . . . . . . . . . . . . . . . . . . .. . . . . . .

. . . . . . . . . .. . . .

. . . . .. . . . . .. . . . . . .. . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

.........................................................

M

,

........

B

........................................

...............................................................................................................................................

...............................................................................................................................................

...............................................................................................................................................

...............................................................................................................................................

...............................................................................................................................................

...............................................................................................................................................

...............................................................................................................................................

.......................................

AD-111 929

...............................................................................................................................................

................................................................................................................................................

...............................................................................................................................................

..........................................

.......................

................ ........

...........................................

..................................... .........................................

..................

W

,* -M

........................ ......................................................

..

.........

....................

........................... ......

....................

....................

................................

...............................................................................................................................................

.................

........................................

....................

...........*.......

........................................

....

...............................................................................................................................................

.....

.......................................

....................

....................

....*..................................

................

...............................................................................................................................................

TO

DISTRIBUTION

STAT

NT - F

Distribution

Controlled. All requests to

Army Ballistic

Research

Lab, Attn: Public Affairs

Office/STINFO, Aberdeen

Proving Ground,

M

LIMITATION CODE: 5

-------------------------------------------------------------------------------------------------------------------------------------------------

FROM

No

Prior DoD

Distr

Scty

Cntrl

StImt Assgn'd

................................................................................................................................. .........

............................................................... . ............................................................

...............................................................................................................................................................

.............................................................. . ........................................................-

.......................................

.................

.......................................

.............................

......... ...

.....................................................

...........................................

...

.........

.................

........

........

..

.

....

..................

.........

........

..................

.........

.........

..........

.......................

.............

.............

.........................

.............

....

...................................................................

..

..............................

..............................

............. .

...................

..........................................

DoDD 5230.24,

Para

f.3.b.;

Nov 9, 1999

THIS PAG U'.7

IS

UNCLASSIFIED


4/23

N .

/

"aI-btic

Rtsearchi

laboratoibWsJ

-TECHNICAL

NOTE

NO.

1

i

November.,qz%

Best

Available

Copy

TMe fallistic

flsewrh

Labontories

Technical

Note Is

designed

forusewith-

in

the

laboratories

or for

issuing

available

Informato,

vhen

the

occasion

demands

speed.

The contents of this

paper are

of

the

nature of

advance information

and may

be ezsddor

ofterwise

revised.

56AA

5663

e -. A

S D H PR VN GR UN-

RY A


5/23

B3A

LLIS

TI

C-

RESS

ARC

L

AB3 RA

OR

I MS

.1

~2CHR=A

HMT

No.

556

* November

195i

PRO SINALCMIT=A

FOR RtAPID

INAPACITATIMf

BY

FRaI3u1lailS

Tbeoftze K.l

Sterne

P

oject No.

T83-.0112A

6f

the

Rasearcib

arA

*Development.

Di-Fision,

Cxrdancs

CCI-p

A

B

ER

0E

Z

P

R

0V

I NG

aR0U

N

D,

N.

A

w D

NOA1

1953

56AA1756563.

ONC1ASSD~


6/23

long

PMMON- CMTA

FOR

I

LAP=ATICHByW

From

eiaerlmertal

data

obtained by

'the

BLiOPhysios Branch,

Medical

laboratories,

Armay

Cbezuical

Center,

Efgewaod,

Maryland

thie

probabilties

we

Inferred

that hits on

perso=9ae

byfaietso Mnw

ass,

eoiy

and shape

will inczpacitate.

The

excperimaents

were conduceted

against

live goats, and

the r'esults

ver

assessed by medical officer,

personnel.

The

results

an

classified

according

to three-

levels

of

incapgaitation:,

incApAcitation

within

5.seconds,,

Incapacitation

within

5 minatesl,

and

fatal'or severe wounding.

-The

inferied

probabilities,

bae npro-

ocaiml? and raidly

interprveted

experimental

results,,

are

exhibited

as

functions

of

mv/A

where

a

Is

the

fragment,

mass

h striking

velocity's,

And A

the average

presented

az'da of

the

fragment.

he

Pobabiity

rsults,

xbich

are subject

to

revision

sol

h

basic

data be reinterpreted,

are being

currently

employed

by the

W"s~aRsarhLboaoie

nthe

design

of

improved

hand

1

grn."


7/23

It ia l ueoreodthe

anth'isiaatio

and

willing cooper...

tioni of

Dr. -5gsA

and Uis

co-workers

at

Ragewcods

in

sipporting

the dessign

studiesg

of

thej

Sa~lstc

Research

laboratories,

by their cheerful

and

energetic

maiem of

the

wound

ballistic

OXPerMents.

- The

athr

bears

entire

rscibilitV

for

the Woly~dxg

disaussion

wbich

It is

hoped will

not deprive

Dr. Herget

ot

the

opportanity

of

re-

Interpretirg

his

eserimental

rwe

tss

or of publiahing

any better

analyue

afthem thatoam

todevisede

WDTA

Three

type of fragment

sources,

prepared

and

supplied

by the,

Ballistic

Research Laboratories,

zaret used

in

-the

experiments,..

All

the

fApmt&

wore

of Steel, in

the

shae or

rectangular

prleeies

Th. first

source

onsisted

-or

a

spbore

of

high

explosi1e

'0ti.

0.11 groins.

-am~ initial-

dimsenmS1~

of all

the -fragments

Were

0.1

x 0.1

z

-4-incbee.

Tkie

total

nubrof

fragments

was

nearly

2000,

the

ratio

o.explosive

charge

tott lweight

wsbu0,9

adtetotal

w if

thesorcewa

abut12ounces.

Recovered

fragi

nt were

foundtohv

*lost,

-as

a~ 1e,i

ae

of: their

s

owges

ad

corners with

the'result'

i

that their

masses

were less

than

the original

masses.

Nalf

the mass

of

the recovered

fragment

9

was

In the

forma

of

.frzgments

more

iassive

'thwn

0.60

grains,

which is here

called

the

"mediano

fragment

mass.

The intial

** t

fr~mentVelocity

was

7Wrx~at1Oftsc

The

second twof,

sourmconsisted

ofa siare

of

pentolite

-

swounded

by

premforaed

fragments

whose

initial

ftmensions

wr

-0.1

x.0.1

x

0.13? Inches,

whose

initial

masses

were

rl 4

am and

of

which

there

were

approx:mat817

1100. The

median

mas

of recovered

Ir"aIents

was 2.1

grains;

the

rztio

of explosive

charge

to

total weight

was about

Q.4~7,

=nd

the

total

ueight was

about

12.2 ounoes.

The

Initial

fragment

velocity

was

approxLmately

5300

ftfuec.

The

third-t7oe

of fragment

source

was a

sphere of pentolite

su~'rded

approxtmI7itl,

-A tho

total weight

was

near 7 14&.5 ounces.Th

nta

Urgmrtelocity

uas

epro el

4L9W

f t/seC.

A

fourth sz-arce

of fra~nzent3,

a

standardl~

11 hand granndre,

vas

also

u.med but since

the

frg'int~s

were

of tuncertain

--ass

and

erIdnZ .7aocity,

Via related

ex~rimntal

data

t4_21

not

b3

disvussed or

c~~~4im

this

Maort.

The

p.y~c

daare-

tigtte

f zXg;eit sourc=a

have

b ;i

Urriahcd

to h3ouho

Xr

lc ad '-r

D-Aof haBaM~la

esa~c~

Laortoia -


8/23

JS

IFirings

against. the goats were

at distances

of

5 10, 15 and 60

feet.

At

the last

divtance, so

fev bits were obtained

that the reautirg

data will not

be employed

in

this

report,. None

of tha few

hits at

60

-

~

~ ~ ~

-.casdeneeouds.

In

each

experiment,

four

goats

were

at

a

fimad

distane,

either

5, 10,

or

15

feet,.from

the

fragiment

source.

No

4uliment

with the

2.1

grain

fragment-s

was conducted

at 5

feet; some~

of

tM

other

e~eriments Involving

foir

goat~s were

repeated

with

the result

that

the

seriass

of

experLaents

invol-ed eight goats under'certain

con-

ditions

of

distance

and

fragment source

and

4 goats under

the

other

con-

Three

categories of incapacitation

or wounding have

been employed,

I

.

.

provisional criteria for rapid inapacitatimf by fragments

Documents