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(contents )(mt) Marine Technology (ISSN 2153-4721) is published quarterly in January, April, July, and October by the Society of Naval Architects and Marine Eng ineers, 601 Pavonia Avenue, Jersey City, NJ 07306. Periodicals postage paid at Jersey City, NJ and additional mailing o ces. Annual subscription rates: For U.S. and possessions, $120 ; single copy, $35. For international: $135; single copy, $35. Copyright © 2013 by the Society of Naval Architects and Marine Engineers. POSTMASTER: Send address changes to the Society of Naval Architects and Marine Engineers, 601 Pavonia Avenue, Jersey City, NJ 0 7306. April 2013 www.sname.org/sname/mt [] Aero-Hydro Integration BY JB BRAUN Re ning yacht design with customized aerodynamic coe cients Vessel Report: Metal Shark 28 De? ant Speci cations and particulars on a United States Coast Guard RB-S [] A publication of the Society of Naval Architects and Marine Engineers www.sname.org IN PURSUIT OF HIGH PERFORMANCEFaster, stronger, better Mega Yachts Designing for maximum loads Dutch Innovation The next-generation lifeboat Marine Composites Lowering weight, cost, and maintenance April 2013 ON THE COVER: Low-resistance hull form: Adastra , a 42.5-m trimaran with a superstructure made of carbon ? ber with Nomex hon- eycomb core, has a glass/Kevlar foam sandwich hull. Photo courtesy John Shuttleworth Yacht Designs Ltd. COVER DESIGN BY BATES CREATIVE Beyond Displacement Speeds BY DONALD L. BLOUNT e evolution of performance boats and craft Marine Composites BY ERIC GREENE Reducing weight, cost, and maintenance in the maritime environment America 2.0 BY JOHN SCARANO Incorporating high-performance design features in a classic day charter sailing yacht The Next- Generation Lifeboat BY JOHN NIEBOER Innovations in hull design and ergonomics enable Damen and KNRM to move the bar The Mega Model BY TYLER DOYLE Pushing sailing yachts to ever- greater sizes presents serious challenges in designing for maximum loads Outside the Lines BY CHRISTINE SCHLEICHER Hydrodynamic evaluation of new and innovative high-performance hull forms From the Editorial Board Feature Contributors Industry Events Founders and Leaders Marine Technology Notes Education In Review Abstracts Glossary Historical Note April 2013