Safety Reliability Performance of the Ahead ABM Programmable

Safety, Reliability & Performance of the Ahead (ABM) Programmable Fuze System NDIA 39 th Annual Gun & Ammunition Baltimore, MD Apr. 13 -16, 2004 Presented by: Allan Buckley Director Product Management Oerlikon Contraves Pyrotec AG CH-8050 Zurich / Switzerland www. mauseroerlikon. com allan. buckley@ocag. ch Folie 1 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Ahead (ABM) Fuze System

Ahead: The AIR BURST Technology for Medium Calibre Ammunition Folie 2 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Ahead (ABM) Fuze System

Ahead (ABM) Fuze System Ahead (ABM) for Air Defense and Vehicle Armament We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Application IFV: Programmer Target Payload Ejection ABM Projectile Vo Measurement Fire Control Unit Folie 3 ABM Electronics Fuze Programming P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland Payload: Subprojectile F 2 15087 DE

Ahead (ABM) Fuze System Ahead (ABM) KETF Projectile Concept Outline Time Power Supply (Setback Generator) Data Receiver Coil Folie 4 Payload We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Programmable Electronic Fuze Ejection Charge Subprojectiles Explosive Train (W-Alloy) (Squib, S&A, Deto) Electronic Timer Module (ETM) P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland F 2 15024 BB

Ahead (ABM) Fuze System We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Ahead (ABM) Fuze Module Ignition System / Squib Electronic Timer Module / ETM 40 F 9211 -11 Set-Back Generator Folie 5 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland F 2 15086 CE

Ahead (ABM) Fuze System Safety Criteria for Ahead (ABM) KETF Fuze MECHANICAL FUZES ABM AHEAD KETF FUZE Storage Ignition Energy Chemically Stored Ignition Energy Completely Inert Ignition Energy Chemically Stored We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Ignition Energy Mechanically Stored Axial Acceleration Safe Lock 1 Axial Acceleration Rotation Ignition Energy Electrically Stored Electr. Muzzle Safety (embedded) Safe Lock 2 Rotation Exterior Shock DETONATION DUD Interior Ignition Trigger DUD Folie 6 SELF-DESTRUCT P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland No Impact Sensor PROGR. : DETONATION / SD DUD F 2 16516 A 1

Ahead (ABM) Fuze System Ahead (ABM) KETF Fuze: Life Cycle Events - Summary Cartridge Percussion Propellant Electronics Energy Rotation Lock SAFE Rupture Disc Punched (Set-Back Generator) Capacitors Loaded Capacitors Totally Discharged Detonator In Armed Position SAFE No Ignition Axial Lock Electrical Energy Electronic Muzzle Safety Programming Window No Time Programming Possible (ECM Proof) Time Programming Programmed Payload Ejection 0< Folie 7 5 10 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland 50 Self-Destruct 10000 ms F 2 16516 A 5 We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Post Range Muzzle Area Operational Range Barrel 0 ms Muzzle 64 ms 8192 ms >10000 ms Storage No Ignition Energy Phases:

Ahead (ABM) Fuze System Ahead (ABM) System Function Reliability MIL Handbooks 217 F 2 & 338 Reliability GM Ground Mobile DORMANT Storage CL Cannon Launch Results of ABM System Ahead Reliability: In Theory > 97% In Practice > 97% F 2 16260 AA Folie 8 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Theoretical Reliability Prediction according:

Ahead (ABM) Fuze System 35 mm Ahead (ABM) HETF Programmable Payload Delivery Precise Time Space Payload Delivery up to 5000 rd/min! 10 th Rd: 300 m 1 st Rd: 1200 m We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. 10 Rds between 1200 m & 300 m every 100 m! M 1 15555 „String of Pearls“ at 550 rd/min of 35 mm Ahead-HETF Ammo Folie 9 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland F 2 15559 CC

Ahead (ABM) Fuze System Without Compensation M 1 15556 With Compensation M 1 15557 Burst of 7 Rounds 35 mm Ahead-HETF Ammo at 1. 6 km Range Folie 10 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland F 2 15561 CD We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Compensation of the Muzzle Velocity Variation

Ahead (ABM) Fuze System TM P-T 03. 02. 07 -189 -B 10_MVC 577 F Layout of the 162 Subprojectiles SP (1. 24 g each) Version: 27 SP x 5 Layers (1. 5 g) 27 SP x 6 Layers (Simulation after 500μs) Folie 11 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland Payload-Footprint on 1 x 1 m Al -Plate after Ejection of the 162 SP (4 ms after ignition ) F 1 16358 AB We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. 30 mm x 173 Ahead (ABM) KETF Subprojectile Payload: Layout & Footprint

Ahead (ABM) Fuze System 30 mm x 173 Ahead (ABM) KETF Subprojectile Dynamic Parameter Payload Ejection at 500 m Range (Cone of 12° Opening Angle) Velocity & Perforation (%) 85% 90% Projectile (162 SP) 100% Distance (m) 3 5 12 94% 12° Subprojectile. Density (#/m 2) 46 3. 5 m 2 (2. 1 m) 13. 9 m 2 (4. 2 m) 31. 3 m 2 (6. 3 m) 55. 4 m 2 Striking Area (8. 4 m) (Diameter) F 2 10138 CD Folie 12 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. 80%

Ahead (ABM) Fuze System Subprojectile (SP): 1. 24 g # SP per Round: 162 Target Plate: Mild Steel Range of Subprojectiles [m] Folie 13 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Mild Steel Plate Thickness Penetrated [mm] 30 mm x 173 Ahead (ABM) KETF Subprojectile Penetration Capability

Ahead (ABM) Fuze System 30 mm x 173 Ahead (ABM) KETF: 3 Rd Burst Effectiveness against ATGW-Bunker at 1 km We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Notice: ATGW: Anti-Tank Guided Weapon Results: Numerous Full Perforations / 100% Damage (Demo: Dec. 1999) Folie 14 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland F 2 16156 BB

Ahead (ABM) Fuze System Target Field Target: Squad of 7 (Field: 2 x 38 m) We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. 30 mm x 173 Ahead (ABM) KETF: 5 Round Burst against Squad of 7 - Target The video shows a 5 round burst fired to the target field (firing rate: 200 rd/min). Distance between rounds: 9 m Multiple perforations in each of the 7 target plates (2 mm Fe): M 1 16501 A 8 Folie 15 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland 13 Perforations/m 2 on Average. F 1 16501 A 84

Ahead (ABM) Fuze System We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. 30 mm x 173 Ahead (ABM) KETF against Urban Target (Unprogrammed Fuze) Target: 20 cm Concrete Wall with double Steel-Structure Reinforced Range: 500 m Results: Target Fully Penetrated Folie 16 M 1 15962 BA P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland F 2 15562 BB

Ahead (ABM) Fuze System 35 mm x 228 Ahead (ABM) KETF & HETF against ATGW-Bunker Folie 17 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. 3 Rd Burst against an ATGW Bunker at 1500 m HETF (Blast Fragmentation) Lethality of a KETF (Subprojectiles) Pk-Value F 2 15256 BA

Ahead (ABM) Fuze System Ahead (ABM) KETF: Ahead Technology Main Safety Features • Full Gun Unload Safety • Safe & Arm: Mechanical & Electronic • Time Programming of less than 64 ms not accepted (Default: Self Destruct ) • Each Bit programmed with Double Pulse • Completeness Check on 12 Bit Message (if negative: Self Destruct On!) • If no fuze programming required or possible: automatically Self Destruct On • No Impact Sensor in Fuze: firing through bushes & tree branches w/o burst • Total HE content less than 0. 6 g for 30 mm F 2 15037 CE Folie 18 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. • Power Supply: Set Back Generator (Activation over 28‘ 000 g); i. e no Battery

Ahead (ABM) Fuze System One Ahead (ABM) Fuze System Two Different Warhead Configurations 35 mm x 228 Subprojectile Warhead KETF (Kinetic Energy Time Fuze) Fuze Blast Fragmentation Warhead HETF (High Explosive Time Fuze) Scale: Folie 19 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland 40 mm x 53 F 2 16124 BC We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. 30 mm x 173

Ahead (ABM) Fuze System Conventional HE Round (PD-Fuze) Folie 20 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Ahead (ABM) HETF Basic Concept for 40 mm x 53 Automatic Grenade Launcher AGL Optimum for Air Burst Munition F 2 15015 BA

Ahead (ABM) Fuze System Remarks: No fragments are flying backwards! Firing Rate up to 570 rd/min (AGL-ST-Kinetics) Folie 21 6008 M 1 16117 BA P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland F 2 15254 BB We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. 40 mm x 53 Ahead (ABM) HETF Firing Trials at 200 m & 1000 m Range

Ahead (ABM) Fuze System • 1973 • 1992 • 1996 • 1999 • 2000 • End 2003 Folie 22 8 bit - transmission demonstrated on a 20 mm shell at muzzle exit (1 st “Ahead-like” programming) 35 mm Ahead - Ammunition: technical presentation to international ammo experts /OCP- Test Center NATO qualification of the Ahead system (Canada) Demonstration of ABM 30 mm x 173 prototype Demonstration of ABM 40 mm x 53 prototype for AGL - 35 mm Ahead ABM Systems fielded in 8 countries. In evaluation / procurement in several others. - 30 mm x 173/170 & 40 mm x 53 ABM in evaluation in several countries. P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland F 2 16310 BC We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Ahead (ABM) System Milestones

Ahead (ABM) Fuze System 35 mm Ahead (ABM) KETF Detonation in Ammo Box We reserve all rights in connection with this document. Data, descriptions and graphics have only an information value. Modifications are reserved. Ejection Charge (0. 9 g HE) of One Round Detonated Result: no damage occurs to the other packed rounds and therefore no sympathetic detonation possible Folie 23 P 2 16512 AA, P-VP/FD/41, © 2004 Oerlikon Contraves Pyrotec AG, Zürich/Switzerland F 2 16516 A 6