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Effectiveness Study of 40 x 53mm Air-Bursting Ammunition
Nick Rogers, BEng, AMIMechE
System Design Evaluation LtdOak Park
Hunsdon, WareHertfordshire
SG12 8QPTel: +44(0)1279 842203
Email: [email protected]
Fuse Location & Fragment Distribution
NOSE FUSE BASE FUSE
Fragments Expelled Rearwards Fragments Expelled to Front
Burst Pattern
Burst Pattern
Incapacitation Contours
Incapacitation Contours
Incapacitation Contours
Scenario 1
Target in Cover Behind Building
Scenario 1
Scenario 1
Target Target
Line of fire Line of fire
NOSE FUSE BASE FUSE
Airburst – Before Target
Line of fire Line of fire
Target is Target isMISSEDMISSED
NOSE FUSE BASE FUSE
Airburst – Before Target
Line of fire Line of fire
MISSEDMISSEDTarget is Target is
NOSE FUSE BASE FUSE
Airburst – Before Target
Line of fire Line of fire
HITMISSEDTarget is Target is
NOSE FUSE BASE FUSE
Airburst – in Line With Target
Line of fire Line of fire
HIT HITTarget is Target is
NOSE FUSE BASE FUSE
Airburst – Past Target
Line of fire Line of fire
HIT HITTarget is Target is
NOSE FUSE BASE FUSE
Airburst – Past Target
Line of fire Line of fire
MISSEDHITTarget is Target is
NOSE FUSE BASE FUSE
Airburst – Past Target
Line of fire Line of fire
MISSEDHITTarget is Target is
NOSE FUSE BASE FUSE
Airburst – Past Target
Line of fire Line of fire
MISSEDHITTarget is Target is
NOSE FUSE BASE FUSE
Airburst – Past Target
Line of fire Line of fire
MISSEDHITTarget is Target is
NOSE FUSE BASE FUSE
Airburst – Past Target
Line of fire Line of fire
MISSEDHITTarget is Target is
NOSE FUSE BASE FUSE
Airburst – Past Target
HIT
Line of fire Line of fire
MISSEDTarget is Target is
NOSE FUSE BASE FUSE
Airburst – Past Target
Line of fire Line of fire
MISSEDMISSEDTarget is Target is
NOSE FUSE BASE FUSE
Range Error Margin
Line of fire Line of fire
Larger allowable rangeerror with nose fuse
NOSE FUSE BASE FUSE
Scenario 2
Line of fire Line of fire
NOSE FUSE BASE FUSE
Airburst – Before Target
Line of fire Line of fire
NOSE FUSE BASE FUSE
Airburst – Before Target
Line of fire Line of fire
NOSE FUSE BASE FUSE
Airburst – Before Target
Line of fire Line of fire
NOSE FUSE BASE FUSE
Airburst – Before Target
Line of fire Line of fire
NOSE FUSE BASE FUSE
Airburst – Above Target
Line of fire Line of fire
NOSE FUSE BASE FUSE
Airburst – Past Target
Line of fire Line of fire
NOSE FUSE BASE FUSE
Airburst – Past Target
Line of fire Line of fire
NOSE FUSE BASE FUSE
String of Pearls
Line of fire Line of fire
NOSE FUSE BASE FUSE
Larger allowance for azimuth
errors (crosswind)
Azimuth errors are difficult to compensate for in fire control system
Point Detonation
Angle ofDescent
Angle of Descent
NOSE FUSE BASE FUSE
Point Detonation
BASE FUSENOSE FUSEAngle ofDescent
Angle of Descent
Larger lethal area with nose fuse in PD mode
Fragment Type
Trade off between Fragment material and quantity
100% PROTECTED MAN
Range From Point of Burst
Pro
babi
lity
of
Inca
paci
tati
on
400 Tungsten Fragments
1450 Steel Fragments
Fragment Type
Range From Point of Burst
Pro
babi
lity
of
Inca
paci
tati
on
400 Tungsten Fragments
1450 Steel Fragments
Trade off between Fragment material and quantity
UNPROTECTED MAN
