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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
7/24/2019 PROVISIONAL CRITERIA FOR RAPID INAPACITATIMf BY FRAGMENTS
2/23
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USABRL
Notice;
Oct
2, 1972
JAW
Document
Markings
THIS
PAGE
IS
UNCLASSIFIED
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TO
DISTRIBUTION
STAT
NT - F
Distribution
Controlled. All requests to
Army Ballistic
Research
Lab, Attn: Public Affairs
Office/STINFO, Aberdeen
Proving Ground,
M
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DoDD 5230.24,
Para
f.3.b.;
Nov 9, 1999
THIS PAG U'.7
IS
UNCLASSIFIED
7/24/2019 PROVISIONAL CRITERIA FOR RAPID INAPACITATIMf BY FRAGMENTS
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
7/24/2019 PROVISIONAL CRITERIA FOR RAPID INAPACITATIMf BY FRAGMENTS
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~
7/24/2019 PROVISIONAL CRITERIA FOR RAPID INAPACITATIMf BY FRAGMENTS
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."
7/24/2019 PROVISIONAL CRITERIA FOR RAPID INAPACITATIMf BY FRAGMENTS
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 -
7/24/2019 PROVISIONAL CRITERIA FOR RAPID INAPACITATIMf BY FRAGMENTS
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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
.
.