New French IM GP Bombs Development update · New French IM GP Bombs Development update Laurent Delrieu (DGA), Sébastien Régnaut (SAMP), ... CBEMS 250 Type III for SR General Purpose

New French IM GP Bombs

Development update

Laurent Delrieu (DGA), Sébastien Régnaut (SAMP),

Bruno Nouguez (Eurenco)

DGA 16/05/2012 Diapositive N°2 / 22

New French IM GP Bombs

Background

Objectives

Technology Demonstrator Program

Way Ahead

DGA 16/05/2012 Diapositive N°3 / 22

Background

500 lb bombs in French Forces

Mk 82

BLU 111

CBEMS 250

DGA 16/05/2012 Diapositive N°4 / 22

Background : Mk 82

Use

General Purpose Bomb

Armée de l’air

Description

Similar to US BLU-111/B

PBXN-109 iRDX

Manufacturer

SAMP

Eurenco

IM Signature (MSIAC) FCO SCO BI FI SR

IV/V IV/V V V I

DGA 16/05/2012 Diapositive N°5 / 22

Background : BLU 111

Use General Purpose Bomb

Marine Nationale

Description Similar to US BLU-111A/B

Thick Thermal Coating (FM26)

PBXN-109 iRDX

Manufacturer SAMP

Eurenco

IM Signature (MSIAC) FCO SCO BI FI SR

IV/V IV/V V V I

DGA 16/05/2012 Diapositive N°6 / 22

Background : CBEMS 250

Use General purpose but with high penetration capabilities

Marine Nationale

Description B2214B (EIDS)

Intumescent coating

Venting systems

Logistic palette

Manufacturer MBDA

Eurenco

IM Signature FCO SCO BI FI SR

V V V V III

DGA 16/05/2012 Diapositive N°7 / 22

Objectives for new GP bombs TDP

Insensitive

≥ CBEMS 250

Type III for SR

General Purpose

≥ Mk-82 Lethality

Bomb

Mk-82 shape

Low collateral Damage

Lower risk distances

compared to Mk 82

Insensitive

Low Collateral Damage

Bomb (ILCD-B)

Insensitive

General Purpose

Bomb (IM-B)

General Purpose

Bomb (GP-B)

DGA 16/05/2012 Diapositive N°8 / 22

Objectives : Insensitive

Sympathetic Reaction

No propagation of detonation

Reaction ≥ Type III

Fast Cook Off

No reaction for several minutes

Reaction limited to combustion

Heavy Fragment Impact

No explosion when subjected to an impact of an

Heavy Fragment

DGA 16/05/2012 Diapositive N°9 / 22

Objectives : Bomb

Compatibility with different interfaces

Mk-82 outline : no thick thermal protection

Fuzes : FBM21, FMU-139, FMU-143

Ejectors : TG480, …

Kits : AASM, Paveway

DGA 16/05/2012 Diapositive N°10 / 22

TDP : Team

Contracting French MoD

DGA UM RAF

DGA Technical direction

CEA Gramat Expertise

Forces

EMA : CNC

Armée de l’air

Marine Nationale

Industry

SAMP

Eurenco

CEA

DGA 16/05/2012 Diapositive N°11 / 22

TDP : Major Parts

Embedded booster

Venting

Explosive

Thin Thermal protection

Liner

DGA 16/05/2012 Diapositive N°12 / 22

TDP : Venting

Prevent violent reaction for Sympathetic Reaction

Slow Cook Off

Light / Heavy Fragment Impact

No reduction of reaction time for Fast Cook Off

Principle Safety cut-out

Pressure breaking

Withstand environment

DGA 16/05/2012 Diapositive N°13 / 22

TDP : Thermal Protection

Test on intumescent coating with ENSCL (France) Evaluation of thermal coating, common and “home-made”

intumescent coating

Coated steel sample

FAST COOK OFF (GAS OVEN)

TEMPERATURE INCREASE AND FLUX

COMPLIANT WITH STANAG 4240

INDIRECT FIRE (RADIATOR)

DGA 16/05/2012 Diapositive N°14 / 22

TDP : Thermal Protection

Common intumescent coating (layer < 1 mm) Less efficient than FM26 (15% less)

Thin layer

No burning

European supply

“Home-made” intumescent coating (layer < 1 mm) As efficient as FM26

Thin layer

No burning

European supply

DGA 16/05/2012 Diapositive N°15 / 22

TDP : Explosives

GP-B IM-B ILCD-B

Main Filling B2258B B2268A B2274A

Main Ingredients RDX/AP/Al/HTPB RDX/NTO/Al/HTPB RDX/Al/HTPB

Embedded

Booster / B2273A B2273A

Main Ingredients / HMX/HTPB HMX/HTPB

DGA 16/05/2012 Diapositive N°16 / 22

TDP : Liner and Booster

Overall view

- Velocity screen plates

-Water bottle « frag catcher »

- Overpressure measurement

Post test view

Boostering reliability

Fragment shapes and velocities identification

LDTU

Large Diameter

Testing Unit

DGA 16/05/2012 Diapositive N°17 / 22

TDP : Liner and Booster

Liners on production line

DGA 16/05/2012 Diapositive N°18 / 22

TDP : Sympathetic Reaction

Trials of IM-B

4 live IM-Bombs

Before test After test (and reconstruction)

REACTION TYPE III

DGA 16/05/2012 Diapositive N°19 / 22

TDP : Arena tests

IM-B (04/2012)

&

ILCD-B (05/2012)

DGA 16/05/2012 Diapositive N°20 / 22

TDP : Delivery of demonstrators to DGA

ILCD-B

IM-B before loading

DGA 16/05/2012 Diapositive N°21 / 22

Way Ahead

IM test on IM-B

Fast Cook Off

Slow Cook Off

Heavy Fragment Impact

Arena test for ILCD-B

DGA 16/05/2012 Diapositive N°22 / 22

DGA institutional site: www.defense.gouv.fr/dga

Industry portal: www.ixarm.com

DIRECTION GÉNÉRALE DE L’ARMEMENT

7, rue des Mathurins - 92221 Bagneux Cedex - France

Tél. : +33 (0)1 46 19 50 00 - Fax : +33 (0)1 46 19 50 01

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