effectiveness study of 40 x 53mm air-bursting ammunition nick rogers, beng, amimeche system design...

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: Nick@SystemDesignEvaluation.co.uk

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