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Presentation transcript:

DISTRIBUTION UNLIMITED AOT Gun Advanced Modular Gun Large-Caliber High Velocity Launcher Redefining – “Faster Than A Speeding Bullet” Presented by Applied Ordnance Technology 39th NDIA Guns & Ammunition Conference Baltimore, MD April 2204 DISTRIBUTION UNLIMITED

PERFORMANCE PROJECT HISTORY DESIGN TESTING Proof-of-Concept Outline PERFORMANCE PROJECT HISTORY DESIGN TESTING Proof-of-Concept Dynamic Setback Test Barrel Joint Test PROJECT OBJECTIVES Broken Breech Design which enables different chamber sizes and diff. Barrel lengths to be tested on the same platform. Integrated loading system to accommodate the various chambers. Benefits – 1. Longer Range 2. Higher muzzle velocity. AOT Gun or XLR

Muzzle Velocities of Large Caliber Guns AOT Gun Performance Muzzle Velocities of Large Caliber Guns 10 11 1. Rail Gun 2,500 m/s 2. AOT Gun 2,400 m/s 3. 16” HARP 2,100 m/s 4. Paris Gun 2,000 m/s 5. 7” HARP 1,650 m/s 6. MK45 Mod 4 1,050 m/s 7. AGS 155mm 825 m/s 8. M198 155mm 822 m/s 9. MK7 16” 820 m/s 10. MK45 Mod 2 800 m/s 11. 8” Howitzer 595 m/s 12. M119 105mm 550 m/s 9 3 4 2 1 8 12 > 2 km/s 5 1.50-1.99 7 1.00 – 1.49 6 0.50 – 0.99 0 – 0.49

Energy Levels of Large Caliber Guns AOT Gun Performance Energy Levels of Large Caliber Guns 8 1. MK7 16” 335 MJ 2. Paris Gun 240 MJ 3. AOT Gun 80 MJ 4. Rail Gun 64 MJ 5. 16” HARP 40 MJ 6. 7” HARP 37 MJ 7. 8” Howitzer 22 MJ 8. AGS 155mm 20 MJ 9. MK45 Mod 4 18 MJ 10. M198 155mm 15 MJ 11. MK45 Mod 2 11MJ 12. M119 105mm 4 MJ 9 2 7 1 >200 MJ 3 100-199 MJ 12 4 6 5 50-99 MJ 10 26-49 MJ 11 0-25 MJ

History - Project Origins NSFS Objective: Long Range 40-60nm Volume Fire from the Sea Timely Response Deep Strike Navy Submitted SBIR Topic in 1996 for Vertical Gun System AOT was awarded a Phase I contract and the rest is history Arsenal Ship

History - AOT’s Solution AOT designed a high energy, high-pressure, large-volume, chemical gun system. High Energy, High Velocity, High Pressure Separable Chamber Multiple, Large Volume Chambers Disposable Sealing Cartridge Segmented Barrel Patent 6,571,676 XLR Concept

Disposable Sealing Cartridge Alternate Propellants (e.g., light gas) Design - Innovations Separable Chamber Removable Chamber Disposable Sealing Cartridge Alternate Propellants (e.g., light gas) Modular Chambers Multiple Chambers Chambers of Different Volumes Loading from Top Segmented, Smoothbore Barrel Varying Barrel Length Modular Gun Configurations The XLR gun design breaks away from traditional large caliber guns. The XLR gun is a high energy, high-pressure, large chamber volume, chemical vertical gun system. The gun is capable of 100,000 psi chamber operating pressure; typical guns nominal operate at 60,000 psi. The energy level achievable is 3 times that of fielded guns today. The gun can launch a projectile at speeds above 4,500 mph. (MACH 6). The XLR possesses many features which produce a unique design. The design innovations resulted in a modular gun design; long, segmented barrel; top chamber loading; a turntable for support two chambers; a separable chamber, and a replaceable chambrage sealing cartridge.   The gun system consists of two major assemblies. The first is the cannon assembly, which comprises of the barrel/chamber connector, recoil cylinders, barrel support structure and barrel segments. The second is the turntable, which contains the chambers and projectile rammers Separable Chamber (shown in yellow) Chambrage Seal Cartridge

Design - Modular Test Gun Upgrades During Phase III, the XLR design became modular. Since the design used a separable chamber and segmented barrels, a variety of gun configurations are permissible. Different volume chambers could be used to optimize a prop charge for a given projectile and increase gun performance. Mono-bloc barrels are used so that varying barrels could be used and to make the barrels interchangeable. Three configurations were designed. Gun performance could be increased by adding additional (modular) hardware. The recoil cylinders are sized to handle the recoiling forces of each configuration; replacing them is not necessary.

Versatile Multiple Uses Large Caliber Design - FAB FEATURE ADVANTAGE BENEFIT Modular Design Multiple Gun Sizes (different chambers and varying barrel length) Adaptable Design to Many Different Requirements Tailor Gun Performance Parameters Replaceable Chambrage Sealing Cartridge Protects Forcing Cone Area Ideal Test Article for Gun Technology Experiments Multiple Chambers More than One Chamber Can be Used; Different Volumes Permissible Not Locked into a Given Chamber Volume Large Volume Chamber Large Quantity of Propellant High Energy Segmented Barrels Long Barrel Length Test Barrel Segment High Muzzle Velocity Reduced Cost Large Caliber Size Launch Tactical Projectiles Conduct Full Scale Testing Why develop the XLR? The XLR innovations and unique features resulted in a modular gun design. Its modular provides its flexibility and adaptability to an ever-changing DoD environment. The XLR’s modularity is its advantage over other test guns. The table below briefly describes the XLR’s features, advantages and benefits.

Special Thanks to Benét Labs for Supporting Test. POC Test 2003 Evaluated 2 Seal Config. O-ring design Non o-ring Design Shots at 30-60 KSI Pressures Over 60 shots conducted Multiple Shots on Some Seals One Seal Subjected to 40 Shots Both Seal Config. Held Pressure Test 100% Successful Sealing Cartridge (o-ring config. shown on left) Configuration of possible multiple barrel lengths and chamber volumes. S/N 03 After 6 Shots S/N 01 After 1 Shot Special Thanks to Benét Labs for Supporting Test.

Verification Test - Setback Test IPT - AOT, Dahlgren, Indian Head Dahlgren Gun Mount Full-scale Testing Nozzle/Throttle to Simulate P-t Curve Sealing Cartridge Performance Chamber Pressures Up to 100 KSI Chamber/Barrel Interface Motion Chamber Connection 26 kg Prop Charge Configuration of possible multiple barrel lengths and chamber volumes. Test Fixture Test Fixture Simulation

Setback Test Simulation Configuration of possible multiple barrel lengths and chamber volumes.

Setback Test Simulation Configuration of possible multiple barrel lengths and chamber volumes.

(Used in Verification Testing) Test Fixture Hardware Chamber In Production (Used in Verification Testing) 1. Chamber Design 2. Drawing 3. Billet Being Saw Cut This sequence of pictures shows the evolution of the chamber that will be used for the Dynamic Setback Test. The chamber is being processed in the states of Pennsylvania, Massachusetts and Maryland. 4. Billet Out of Furnace 5. Billet During Shaping (chamber billet on left) 6. Chamber Rough Shape

Barrel/Chamber Coupler (Used in Verification Testing) Test Fixture Hardware Barrel/Chamber Coupler (Used in Verification Testing) 1. Coupler Design 2. Coupler FEA 3. Drawing This sequence of pictures shows the evolution of the barrel/chamber coupler that will be used for the Dynamic Setback Test. The coupler is being processed in the states of Pennsylvania and Maryland. 4. Billet After Saw Cut 5. Coupler in Furnace 6. Rough Machine

Verification Test - Barrel Joint Test IPT - AOT, Dahlgren, Indian Head Attach Barrel Segment to Existing Test Fixture Continued Evaluation of Sealing Cartridge Performance Chamber Pressures Up to 80 KSI Chamber/Barrel Interface Motion Combustible Cartridge Case Barrel Joint Seal Configuration of possible multiple barrel lengths and chamber volumes.

Upcoming Activities 2004 Verification Test - Setback NACO Prop Charge 2005 Verification Test - Barrel Joint Use XLR Mod 0 (5”/70-cal., < 2km/s) EX-99 Prop Charge Wear & Erosion Testing Build XLR Mod 1 (100-cal., < 2.4km/s) Configuration of possible multiple barrel lengths and chamber volumes. 2006 Indian Head’s Advanced Propellants (co-layered Propellant Configurations; High Nitrogen Ingredients for Reduced Erosivity) Use XLR Mod 1 Build XLR Mod 2 (200-cal., > 2.5 km/sec possible)

Gun Instrumentation & Safety Systems Wear & Erosion Mitigation Project Objectives Gun Instrumentation & Safety Systems Wear & Erosion Mitigation Barrel Coatings/Liners Lightweight Barrel Materials Ignition Systems Advanced Chemical Propellants Advanced Projectiles The project objective is to provide the DoD community with a high energy, high pressure, high velocity TEST GUN for advancing gun technology.

Applied Ordnance Technology, Inc. 103 Paul Mellon Court, Suite A Contact AOT Applied Ordnance Technology, Inc. 103 Paul Mellon Court, Suite A Waldorf, MD 20602 301.843-4045 www.aot.com Steve Coladonato, scoladonato@aot.com At the Conference: George Wilson Mark Adams Steve Coladonato Steve Adams