AEM/S … Stepping Stone To Stealth
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Transcript of AEM/S … Stepping Stone To Stealth
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AEM/S … Stepping Stone To Stealth
Bill Solitario
Professor Systems Engineering
September 04, 2003
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Outline
• Background• Concept Description• Manufacturing Approach• Transition to Fleet• Summary
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AEM/S on USS Radford
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BACKGROUND
• Half scale DDG Mast• Composite Structures
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ENABLES NEW TECHNOLOGY
Embedded Sensors
Planar Arrays
Low Observable ShipSignatures
ENABLES NEW TECHNOLOGY
Embedded Sensors
Planar Arrays
Low Observable ShipSignatures
SOLVES PROBLEMS
Sensor Performance– Blockage– False Targets– Sensor Downtime
Affordable Signature Control
Topside Weight Limitations
Life Cycle Costs– Sensors– PCMS
SOLVES PROBLEMS
Sensor Performance– Blockage– False Targets– Sensor Downtime
Affordable Signature Control
Topside Weight Limitations
Life Cycle Costs– Sensors– PCMS
ATD PAYOFFS
3.696.448
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ADVANCED ENCLOSED MAST/SENSOR AEM/S
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TAILORED MATERIAL SYSTEMS
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Manufacturing Process
Seemann Composite Resin Infusion Molding Process (SCRIMP):– Near Autoclave Laminate Quality At Shipyard Prices– Extremely Low Void Content Laminate– High Fiber to Resin Volume Ratio = High Strength to Weight
CORE MATERIAL
DRY FABRIC
PEEL PLY
MOLD SURFACE
DRY FABRIC
PEEL PLY
DISTRIBUTION MEDIUM
RESIN INJE
CTION
PORT
RESIN INJE
CTION
PORT
VACUUM PORT
VACUUM BAG
VP
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SCRIMP = Cost Effective Advanced Composite Structures
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FABRICATING THE STRUCTURAL MAST
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The AEM/S Experience – Fiber Reinforcement & Core Lay-up For A Deck
Cloth Lay-up On Mold
Cloth Lay-up On CoreCore Laid On Cloth
Core Laid On Cloth
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The AEM/S Experience – Fiber Reinforcement & Core Lay-up For The Mast
Cloth Lay-up In Full-Round Mold Panel Laminated & Mold Rotated Lay-up For Sixth Side Panel
Ring Girder Installation Ring Girders Laminated In-Place Lower-Half Removed From Mold
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The USS Radford AEM/S Mast Stepping Ceremony
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AEM/S Fleet Transition to LPD 17Advanced Composite Mast on USS Radford
Tra
nsi
tion
LPD 17
• Successful ONR Funded Advanced Technology Demonstration (ATD) project
• Rapid Transition from R&D to New Construction
• Example of what can be Accomplished when the Navy and Private Industry Work Together
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Integrated Topside Goal