Buried Target Fuze. To: 49 th Annual Fuze Conference By: Dale Spencer, Kaman Contributing Author: Dr. Helmut Muthig, TDW

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1 Buried Target Fuze To: 49 th Annual Fuze Conference By: Dale Spencer, Kaman Contributing Author: Dr. Helmut Muthig, TDW 2004 Kaman Aerospace Corporation 1

2 Presentation Overview The Buried Target Fuze (BTF) Team The Programmable Intelligent Multi Purpose Fuze (PIMPF) as the basis for BTF Rationale, Benefits, Concept, etc. NAVY Foreign Comparative Testing for PIMPF 2004 Kaman Aerospace Corporation 2

3 BTF Team General Overview BTF TDW has a qualified fuze (PIMPF) and is in production for the German Taurus Missile and the Norwegian Naval Strike Missile. Hard target penetrator Counts voids/ (hard) layers w/ back-up timer Detonates at the prescribed condition Kaman is the producer of the Maverick, BLU-116, JPF, SLAM-ER, Tomahawk, and JASSM penetration Fuzes. The Kaman and TDW team are combining their Fuzing experience to: Produce PIMPF in US for New Warhead applications, e.g. Tmhwk. Re-package the PIMPF Function for applications in 3 US Fuze Well Buried Target Fuze (BTF) Retain PIMPF Void Sensing Electronics without modification 2004 Kaman Aerospace Corporation 3

4 BTF Rationale Opportunity to quickly meet Hard and Deeply Buried Target needs: For New and Reworked Warheads use PIMPF Fuze-well design Fuzes in the field in approx. one year For existing warheads Re-Package into US Std. Fuze-well Fuzes in the field in approx. two years Design facilitates either Missile or Bomb Fuze configuration Provide Layer and Void Counting capability coupled with Mission/ Cockpit Programmability Back-up timer capability Robust proven environmental worthiness High Reliability 2004 Kaman Aerospace Corporation 4

5 BTF Benefits Reduced Risk for Layer and Void Counting Applications Proven/ In Production Technology Fuze does not require tuning Uses smart software to extract penetration events rather than double integrating sensor signals Software handling mitigates instrument baseline drift bias in sensors as sensors experience multiple high G loads Reduced Development Time -- Minimal Development Time, Repackage vs. Redesign utilizing proven, in-production Fuze Maintain Safety Compatible with Out-of-Line PIMPF meets STANAG 4187 NATO equivalent to US Mil-Std Kaman Aerospace Corporation 5

6 The PIMPF/ BTF Threat: Target Spectrum Point Targets Area Targets Bunker: direct / indirect signature Shelter Taxiway & Runway A/C in the Open Ammunition Store Bridge Pier Ships in Port Fixed SAM-Sites 2004 Kaman Aerospace Corporation 6

7 The Initial BTF Concept ~4.5 to 3 Dia. Retain Electronics MSL to Bomb Fuze Add Gag Rod Re-Package S&A Utilize FMU-143 Booster PIMPF BTF 2004 Kaman Aerospace Corporation 7

8 PIMPF Functional Block Diagram Shock Sensor Amplifier Filter A/D- Converter Micro- Controller Electrical I/O a A D PIMPF Software CWC (Distance Sensor) nvsram (Impact Switch) ROM RAM Non volatile memory (Precharge) Power Supply Firing Circuit 2004 Kaman Aerospace Corporation 8

9 Software Functions Self Test RAM / ROM Ports Acceleration Sensor Amplifier Gain Filter Characteristics (Distance Sensor) (Impact Switch) etc. Communication Software Commands Self test results Fuzing program CWC Fuzing Program Algorithm Parameters Firing Parameters Acceleration / Shock Penetration Algorithm Impact / Exit Events Firing Algorithm Firing Signal 2004 Kaman Aerospace Corporation 9

10 BTF Program Flow for Bomb & Missile Fuzing Programs MIL-STD-1760/1553 RS 422 At Installation of the Mission Planning System Carrying Aircraft JDAM/ Missile TRNS Mission Planning System BTF RS 422 Portable Ground Loading Unit Portable CMBRE TRNS During Mission Planning Process During Mission Loading Process During Captive Flight Phase During Free Flight Phase 2004 Kaman Aerospace Corporation 10

11 Experimental Results/ Number of Tests performed Target Type (MEPHISTO) No. of Tests "Bunker" 4 3 layers of reinforced concrete "Shelter" 6 (Sand / reinforced concrete / gravel / reinforced concrete) "Heavy Bunker" 4 (one massive layer of reinforced concrete) "Ship" 3 (2 steel plates) Total (full-scale): 17 (plus 8 half-scale) "Ship Target" (NSM) 7 " Taurus Missile Live Fire" 2 Grand Total: 34 out of 34 Succesful Tests 2004 Kaman Aerospace Corporation 11

12 Test Results - "Bunker" Target Concrete Layer 1 Concrete Layer 2 Concrete Layer 3 Initiation 2004 Kaman Aerospace Corporation 12

13 3 Concrete Layers Catcher Plate Impacts Exits Initiation 2004 Kaman Aerospace Corporation 13

14 Test Results - "Heavy Bunker" Target Massive Concrete Layer WTD91 Initiation 2004 Kaman Aerospace Corporation 14

15 Massive Target Catcher Plate ImpactsExits Initiation 2004 Kaman Aerospace Corporation 15

16 Test Results - "Ship" Target WTD91 Steel Plate 1 Steel Plate 2 Initiation 2004 Kaman Aerospace Corporation 16

17 Catcher Plate Steel Plate 1 Steel Plate 2 Initiation Impacts Exits 2004 Kaman Aerospace Corporation 17

18 Key Qualified Requirements of PIMPF Shock resistance: 10,000 g / 10 msec axial (required for Mephisto 8,000 g / 5 msec lateral expected to withstand higher) Operating temperature : - 40 C to + 63 C (Electronics tested to -54 C) Storage temperature : - 54 C to + 71 C Environmental Stressing: acc. to MIL-STD-331 and 810 EMC Requirements : EUROFIGHTER and TORNADO Reliability (Predicted): calculated acc. to MIL-HDBK ,000 hr storage hr captive flight min freeflight Kaman Aerospace Corporation 18

19 Foreign Comparative Test for PIMPF Click on button to bring up FCT viewgraphs courtesy of NAWC/CLy of NAWC/CL Dale Spencer, dspencer EADS/ TDW -- Herb Smith H.J. Smith International, Inc Kaman Aerospace Corporation 19