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` Bill Hatch Amphibious Systems Division

Improved Flexible Causeway Connector. ` Bill Hatch Amphibious Systems Division Naval Facilities Engineering Service Center, Port Hueneme, CA 93043-4370 1/29/02. OPERATIONS IN ELEVATED SEAS REQUIRE SUITABLE CONNECTORS. FLEXIBLE CONNECTOR DESIGN BASIS.

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` Bill Hatch Amphibious Systems Division

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  1. Improved Flexible Causeway Connector ` Bill Hatch Amphibious Systems Division Naval Facilities Engineering Service Center, Port Hueneme, CA 93043-4370 1/29/02

  2. OPERATIONS IN ELEVATED SEAS REQUIRE SUITABLE CONNECTORS

  3. FLEXIBLE CONNECTOR DESIGN BASIS • A flexible connector is required if lengths > 160 ft. • Driven by loads and operational configurations • Adapt existing NL P-8 end connector to prototype assets • Pipe shear connectors • Flexor tensile connectors • Increase safety and efficiency • Reduce crew involvement in connections • Provide better alignment and engagement • Provide automated flexor locking • Provide automated flexor extension and retraction

  4. ALIGNMENT AND ENGAGEMENT IMPROVED SHEAR CONNECTOR GEOMETRY EXTENDED LENGTH SHEAR CONNECTOR WIDE MOUTH RECEIVER

  5. IMPROVED SHEAR CONNECTOR PLAN VIEW

  6. NL FLEXOR AND SEABOSS FLEXOR

  7. IMPROVED FLEXOR FABRICATION

  8. SHEAR AND FLEXOR CONNECTIONS

  9. SHEAR AND FLEXOR CONNECTIONS

  10. LOCKING AND EXTENSION METHODS • Locking Methods • Trigger Plate • “Door Latch” guillotine • Extension Methods • Air motor • 12/24 volt electric winch • Pneumatic cylinder • Hand winch • Pry bar

  11. LOCKING METHODS TRIGGER PLATE SIDE LATCH

  12. LOCKING METHODS TRIGGER PLATE SIDE LATCH

  13. EXTENSION METHODS

  14. EXTENSION METHODS PNEUMATIC

  15. EXTENSION METHODS PNEUMATIC CYLINDER

  16. EXTENSION METHODS

  17. EXTENSION METHODS ELECTRIC WINCH

  18. PROTOTYPE CONCEPT EVALUATION • Hardware to be delivered to Little Creek NAB • Modules – AAA and USCG • Flexor connectors • Extension and locking mechanisms • At-Sea testing in March-April timeframe • Incorporate recommended design modifications in procurement of replacement Navy lighterage • Platform-specific flexors • Durability / reliability testing recommendations

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