DoD Maintenance Symposium & ExhibitionDoD Maintenance Symposium & Exhibition

Wave Piercing Catamarans use hull shapes and Wave Piercing Catamarans use hull shapes and increasing waterline lengths to reduce overall resistance, increasing waterline lengths to reduce overall resistance, improve ride and maintain speeds in increasing sea improve ride and maintain speeds in increasing sea states.states.

Development of Wave Piercing Development of Wave Piercing Catamaran (WPC) TechnologyCatamaran (WPC) Technology

DoD Maintenance Symposium & ExhibitionDoD Maintenance Symposium & Exhibition

Development of Wave Piercing Development of Wave Piercing Catamaran (WPC) TechnologyCatamaran (WPC) Technology

WPC’s have low lightship weights and higher WPC’s have low lightship weights and higher deadweight by using lightweight and durable deadweight by using lightweight and durable materials while still ensuring long term materials while still ensuring long term serviceabilityserviceability..

DoD Maintenance Symposium & ExhibitionDoD Maintenance Symposium & Exhibition

WPC Performance AnalysisWPC Performance Analysis

1.1. HSVHSV--X1 (1998)X1 (1998)1.1. Speed Speed -- 36 knots36 knots2.2. Deadweight Deadweight -- 740 tonnes740 tonnes3.3. Cargo Area Cargo Area -- 2192 sqm2192 sqm4.4. Length Overall Length Overall -- 95.47 m95.47 m5.5. Transport Efficiency Transport Efficiency -- 0.9250.925

112m WPC (2003)112m WPC (2003)Speed Speed -- 40 knots40 knotsDeadweight Deadweight -- 1000 tonnes1000 tonnesCargo Area Cargo Area -- 3850 sqm3850 sqmLength Overall Length Overall -- 112.63 m112.63 mTransport Efficiency Transport Efficiency -- 1.1101.110

Performance is Significantly Increased with the Performance is Significantly Increased with the Evolution of TechnologyEvolution of Technology

DoD Maintenance Symposium & ExhibitionDoD Maintenance Symposium & Exhibition

WPC Passenger ComfortWPC Passenger ComfortMotion Sickness Incidence (MSI) Analysis studies Motion Sickness Incidence (MSI) Analysis studies indicate considerable improvements in a 3 m indicate considerable improvements in a 3 m significant wave height for HSVsignificant wave height for HSV--X1X1

Up to 80% reduction in motion sickness over a 2 hr Up to 80% reduction in motion sickness over a 2 hr exposureexposureUp to 30% reduction in HeaveUp to 30% reduction in HeaveUp to 50% reduction in PitchUp to 50% reduction in PitchUp to 25% reduction in RollUp to 25% reduction in Roll

DoD Maintenance Symposium & ExhibitionDoD Maintenance Symposium & Exhibition

Lower Structural Weight (50% less than steel)Lower Structural Weight (50% less than steel)Reduction in CorrosionReduction in CorrosionNecessity for Coatings ReducedNecessity for Coatings ReducedHigh Deadweight RatioHigh Deadweight RatioReduction in MaintenanceReduction in MaintenanceProlonged Structural LifeProlonged Structural Life

WPC Aluminium ConstructionWPC Aluminium Construction