SLIDE 1
SCOPE
- Why T
his
- Ba c kg ro und
- Curre nt T
e st - DMSP
- Pro b le m
- Histo ry – 6000 ro unds
- Pro po sa l
- Old vs Ne w – Ro und / T
e st De sig n
- Summa ry
- Re c o mme nda tio ns
DOI NG MORE WI T H L E SS: I MPROVE D CONF I DE NCE L E - - PowerPoint PPT Presentation
DOI NG MORE WI T H L E SS: I MPROVE D CONF I DE NCE L E - - PowerPoint PPT Presentation
DOI NG MORE WI T H L E SS: I MPROVE D CONF I DE NCE L E VE L S VI A RE DE SI GNE D AMMUNI T I ON QUAL I F I CAT I ON T E ST I NG A me tho d to impro ve sma ll a rms a mmunitio n q ua lific a tio n fo r use in
SLIDE 2
SLIDE 3
WHY T HI S
- ADF
de sire to I I S ne w a mmunitio n
- I
wa nte d to unde rsta nd the te st re g ime
- T
e sts a ppe a re d unne c e ssa rily re pe titive
- Oppo rtunity to study it – a nd a pply so und
princ iple s to re de sig n the te st
- Dr K
e ith Jo ine r’ s Adva nc e d T e st a nd E va lua tio n Co urse
SLIDE 4
BACK GROUND
- Po lic y: ADFDMSP-1QMS (E
NG) 12-8-031 Safe ty and suitab ility fo r Australian se rvic e (S3) asse ssme nt fo r small arms we apo n syste ms
- Pre do mina te ly b a se d o ff two sta nda rds:
- NAT
O ST ANAG 4608 Ammunitio n b e lo w 12.7mm Cal De sig n Safe ty Re q uire me nts
and Safe ty and Suitab ly fo r Se rvic e
- NAT
O AC / 225 D/ 14 E
valuatio n Pro c e dure s fo r F uture NAT O Small Arms We apo ns Syste ms, 6 Jul 01
- E
ndsta te
- “Ob tain Suffic ie nt OQE
to suppo rt T e c hnic al Ce rtific atio n o f syste m (we apo n and ammunitio n)”
- T
he syste m is the re fo re sa fe to c o nduc t ma nne d firing , use r tria ls o r intro duc e ne w a mmunitio n or we a po ns into se rvic e .
SLIDE 5
CURRE NT T E ST : DMSP
- Outline s the fo ur diffe re nt te sts:
- Ma nne d firing c le a ra nc e
- Use r T
ria l
- Pro visio na l De sig n Autho rity / T
C with Co nc )
- F
ull De sig n Autho rity / T e c h Ce rt)
- Amb ig uo us a nd c o ntra dic to ry in pa rts
- 6000 ro und “e ndura nc e ” re q uire me nt
*T a ke n fro m DSMP, T a b le 2
SLIDE 6
CURRE NT T E ST : ROUND COUNT
- One Ammunitio n T
ype
- Minimum 18 260 r
- unds
re q uire d (3 we a po ns)
- With Suppre ssor – ne w
Ste yr
- 36000 ro unds
- 1200 ma g a zine s
- ~5h to lo a d (2 ro unds /
se c o nd)
- 12000 r
- unds pe r
we a po n – inc re dib le use a g e
20 240 1320 6000 3960 18000 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 T e c hnic a l Ma nne d F iring Use r T ria l Ma nne d F iring Ad vic e (One T e mpe ra ture ) S3 fo r Pro visio na l De sig n Ac c e p ta nc e S3 fo r full De sig n Ac c e p ta nc e
NUMBE R OF ROUNDS
A m o unt o f ro und s re q uire d IA W DMSP fo r e a c h sta g e
One we a po n T hre e We a po ns
SLIDE 7
PROBL E M
- T
e st Pa ra me te rs:
- E
xte rna l Ba llistic s
- E
ndura nc e
- T
e mpe ra ture a sse ssme nt
- F
unc tio n a nd Ca sua lty
- 6000 ro unds fire d o ve r fo ur disc re te
te mpe ra ture ra ng e s
- -46 OC
- -6 OC
- +21 OC
- +71 OC
- T
e st Outputs:
- Muzzle Ve lo c ity
- Ac c ura c y (Gro up)
- MPI
shift
- E
je c tio n Pa tte rn
- We a po n / Ammunitio n fa ilure s
1050 1050 1050 1800 1050 1000 2000 3000 4000 5000 6000 7000
Bre a kd o wn o f the 6000 Ro und s
T e mp .-46 oC T e mp .-6 oC T e mp 21 oC T e mp 21 oC T e mp 71 oC
SLIDE 8
HI ST ORY - 6000 ROUNDS
Quirk o f histo ry whic h ha s b e e n a pplie d to a mmunitio n q ua lific a tio n te sting Pro duc tio n T e sting , L
- t a c c e pta nc e , Se rvic e a b ility Re g ime s
T e sts a re We a pon F
- c use d
1987 M4A1 Mil Spe c MIL
- C- 70599
1995 Ar my(AUST ) 6443 Austr alian Ste yr F 88 2007 US T OP 3- 2- 045 Small Ar ms – Hand and Shoulde r We apons 2001 NAT O D/ 14
Pro duc tio n L
- t
Ac c e ptanc e 5 in e ve ry 500 we apo ns Pro duc tio n L
- t
Ac c e ptanc e 1 in e ve ry 7500 QA pro g ram “de te rmine the func tio ning and e nduranc e pe rfo rmanc e o f the we apo n b e havio ur and se rvic e ab ility o f all parts” “de te rmine the func tio nal life o f the we apo n and its c o mpo ne nt parts. …data he lps e stab lish lo g istic al re q uire me nts fo r parts sto c kag e and re plac e me nt sc he dule s…”
SLIDE 9
ANAL OGY
F ue l is the ‘ a mmunitio n’ fo r the c a r (We a po n) Ca r ne e ds to drive lo ng dista nc e (6000km) witho ut fa lling a pa rt Qua lity o f c a r b e ing te ste d, no t fue l Yo u do n’ t drive lo ng dista nc e a s a te st e a c h time yo u c ha ng e fue l pro vide rs…
SLIDE 10
PROPOSAL : AMMUNI T I ON S3 RE I MAGI NE D
DOE inspire d mo de l o f the a mmunitio n q ua lific a tio n syste m
- Assumptio ns:
- OE
M ha s q ua lifie d ro und
- Ro und ha s unde rg o ne
c e rtific a tio n/ c o mplia nc e a c tivitie s
- I
n pro duc tio n / use with o the r use rs
Y4 – E je c tio n pa tte rn re duc e d in sc o pe a s de e me d q ua lita tive me a sure
SLIDE 11
PROPOSAL : I MPROVI NG ST AT I ST I CAL CONF I DE NCE
- Use d Pro je c tile Ve lo c ity a s the b a sis
- Ve lo c ity is dire c tly re la te d to g ro up size , a nd the re fo re MPI
- shift. Slo we r ve lo c itie s me a n the
pro je c tile dro ps q uic ke r (a nd vic e ve rsa )
- Sta nda rd De via tio n o f 6m/ s wa s use d a s re pre se nta tive o f ma ss pro duc e d fa c to ry
a mmunitio n
- One sa mple e q ua te s to five ro unds
SLIDE 12
PROPOSAL : DOE I NSPI RE D RE SUL T
SLIDE 13
OL D VS NE W ROUND COUNT COMPARI SON
- 92% re duc tion in
ro unds / te sting
- Re duc e d
- L
a b o ur
- L
a b o ra to ry time
- F
unding
- Wa ste
- Sa ving s c a n b e
re inve ste d in o the r a re a s
20 240 3960 18000 20 220 1140 1380
2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 T e c hnic a l Ma nne d F iring Use r T ria l Ma nne d F iring Advic e (One T e mpe ra ture ) S3 fo r Pro visio na l De sig n Ac c e pta nc e S3 fo r full De sig n Ac c e pta nc e
Curre nt vs Propose d Ammunition Usa g e
Curre nt DMSP Pro po se d DOE Mo d e l
SLIDE 14
OL D VE RSE S NE W T E ST COMPARI SON
- Gre e n = simila r
- Ora ng e = mo difie d
- Re d = re mo ve d
- Mo re stre a mline d
- 18260 vs 1400
Ro unds
SLIDE 15
SUMMARY
- Pro po se d T
e st re g ime de mo nstra te s tha t te st da ta q ua lity is no t c o mpro mise d a nd a mo re info rme d a ppro a c h c a n b e ta ke n fo r full te c hnic a l c e rtific a tio n
- T
he re se a rc h fo und the 6000-ro und pe r we a po n re q uire me nt pro b a b ly de rive d fro m we a po n q ua lific a tio n sta nda rds ra the r tha n a mmunitio n q ua lific a tio n sta nda rds.
- T
he re se a rc h ha s pro po se s a first-princ iple d a nd sta tistic a lly rig o ro us ra tio na le fo r suc h S3 te sting b a se d o n wha t the S3 o utput re spo nse s sho uld b e a nd the use o f U.S. Do D de sig n-o f-e xpe rime nt te c hniq ue s.
- T
he histo ric a l c o nte xt c o mb ine d with the a na lysis a tte mpts to sho w tha t e ndura nc e te sting sho uld b e b y e xc e ptio n o nly.
SLIDE 16
RE COMME NDAT I ONS
- ADF
ha s a n o ppo rtunity to re visit the c urre nt sma ll a rms a mmunitio n S3 te sting pro c e dure (DMSP, 2015) to :
- re mo ve the ide ntifie d a mb ig uitie s a nd inc o nsiste nc ie s
- impro ve its a pplic a b ility,
- re mo ve the de fa ult e ndura nc e re q uire me nt
- spe c ify sta tistic a lly g uide d te sting within re q uire d c o nfide nc e limits to pro vide a mo re
info rme d o utc o me so a s to a c hie ve a signific ant r
e duc tion in te st time and r e sour c e s
- se e k US AT
E C DOE disc ussio n to c o nfirm o ur a ppro a c h
SLIDE 17