The magazine for those working in design, construction, refit, and repair NUMBER 172 PART ONE: FOIL RENAISSANCE APRIL/MAY FIGHTING DIESEL FOULING 2018 A MODERN DIVE TENDER $5.95 U.S. SCHOONER CREEK PBB172Cover-nospine.indd 1 2/27/18 11:30 AM For over a century, a league of canned crusaders have been fighting to keep boats safe from barnacles, slime, algae and other aquatic evils that rob your boat of its true performance. With advanced know-how and unique capabilities, each antifouling is tailored to different conditions, and has the power to defeat fouling in all its forms. Micron® WA is a water-based formula that’s powered with advanced Water Activated Matrix technology to efficiently release active ingredients over time for valiant multi-season protection. Micron® WA is easy to apply and clean up, making it ideal for boaters in all waters and regions. For super-powered antifouling protection and proven performance, choose Interlux®. The hero your boat deserves! interlux.com All trademarks mentioned are owned by, or licensed to, the AkzoNobel group of companies. © AkzoNobel 2018. or licensed to, the AkzoNobel group owned by, All trademarks mentioned are 9008/0218 BC_PBB172_AM18.indd 4 2/20/18 7:45 PM PERKO EPA COMPLIANT COMPONENTS For Canister and Pressurized Systems A complete line of products that help boat builders properly and safely comply with new diurnal emissions regulations. This expanded line now includes carbon canisters, specialized fuel system valves, inlet check valves, fill limit valves, tank vent valves, tank line vents and more. Air/Fuel Separator Featuring Perko-Delphi Fuel Demand Valves Carbon Canisters Tank Valves Epa Gas Fills With Vacuum In-Line Vent Hose Pressure Relief Valve Surge Protectors For the complete selection of Perko EPA Compliant Components go to fisheriessupply.com/perko-epa ARE YOU A BOAT PRO? WE WANT TO WORK WITH YOU! Fisheries Supply is one of the largest Perko distributors in the United States. We offer competitive pro pricing for qualified customers, same day shipping anywhere and outstanding, individualized customer service. Apply today at fisheriessupply.com/pro FisheriesSupply-172.indd 2 2/20/18 7:47 PM LET YOUR IMAGINATION RUN WILD... The world’s finest yachts require the most distinctive and long-lasting finish. For that reason Awlgrip developed a revolutionary new topcoat as part of a tailor-made high-gloss paint system. The result is a fast-drying and easy to apply topcoat that comes in a limitless color palette of solids, metallics and luxurious effects only bound by your imagination. www.awlgrip.com facebook.com/awlgripfinishfirst twitter.com/awlgrip All trademarks mentioned are owned by, or licensed to, the AkzoNobel group of companies. © AkzoNobel 2017. 8953/1217 Awlgrip-171.indd 1 2/20/18 7:49 PM FEATURES 22 Foiling, Part 1: Rising to the Occasion by Dieter Loibner Advances in foil design, construction materials, and networked ride controls have led to a renaissance in hydrofoiling. DENISE LARSEN 36 What Grows in the Darkness of Diesel by Nigel Calder Making a Bayliner foil. Page 22. From taking samples and cleaning tanks to arming with biocides, here are strategies to help captains and service yards ght contaminated diesel. 52 Dive Tender 14 by Reuel Parker S A new generation of one-person shing ski s inspire a slightly 1 larger dive tender and shing boat designed for easy, a ordable 2 3 T access to the water. T 1A 56 Tooling and Techniques from Schooner Creek by Dan Spurr 3A 2A A 40-year-old Oregon custom boat shop relies on ingenuity, thri , and diversity to stay pro table. DEPARTMENTS REUEL PARKER A lightweight dive tender. Page 52. 4 Letters, Etc. Readers comment on practical adoption of lithium-ion battery systems; re risk and suppression for lithium-ion batteries; installing drain valves in hydro-li mu ers; and prop nut sequencing. 12 Rovings compiled by Dan Spurr A production foiler from Bénéteau; the legacy of Everett Pearson; luxury designs from Claydon Reeves; double-duty deck cranes; and eight bells Ian Farrier. 76 Parting Shot by Leon MacCorkle A boatyard owner calls on all marine professionals to look at themselves as sources and recipients of industry expertise and training. READER SERVICES NIGEL CALDER Fighting diesel fouling. Page 36. 69 New Products and Processes 70 Connections 73 Classi ed Advertising 75 Index to Advertisers On the cover: Harry Larsen, a retired applied mathematician who formerly worked for Boeing Marine Systems, hauls out Talaria IV at his property in Vashon Island, Washington. A longtime fan of hydrofoiling technology, Larsen tted his 1980s-vintage Bayliner Monterey with custom retractable foils and a sophisticated control system of his own design to fully automate DAN SPURR foilborne operation. Story on page 22. Inside Schooner Creek. Page 56. Photograph by Dieter Loibner. 2 PROFESSIONAL BOATBUILDER PBB172TOCEd-FINAL.indd 2 2/23/18 12:08 PM Professional BoatBuilder Subscription Services Early Exposure U.S. and Canada: 800–877–5284 eon MacCorkle’s response last December to a pointed opinion piece about International: 937–610–0234 www.proboat.com/subscribe L workforce training in the magazine brought him to my voicemail and [email protected] my attention. MacCorkle, who owns Padebco Boats (Round Pond, Maine), called to attest to the importance and practicality of the American Boat & Yacht Council’s training opportunities for his employees. In his Parting Shot Chairman & Editor-in-Chief Jonathan A. Wilson on page 76, you can read how he relies on the ABYC certification to assess General Manager James E. Miller Publisher Andrew Breece employees’ basic competency and then looks elsewhere in their résumés for • the additional skills they’re bound to have. MacCorkle, who came to the trade EDITORIAL fresh off a firefighting career, expects that most of his employees bring unique [email protected] Editor Aaron S. Porter experiences with them from prior professional pursuits as well. We agreed Senior Editor Paul Lazarus that it’s a poor employer who doesn’t identify and play to those talents. Editor-at-Large Dan Spurr Our conversation prompted me to think more about the nature of our Editor-at-Large Dieter Loibner workforce, not just how to train good workers and keep them happy but also Technical Editor Steve D’Antonio Production Editor Johanna Turnquist who they are. The fact is, not many of us set out to be boatbuilders by embark- Editorial Assistant Rosemary Poole ing on a clear career path like, say, an accountant, attorney, electrician, or Proofreader Jane Crosen obstetrician does. Recruitment to our trade is more often driven by passion Contributing Editors Nigel Calder, Carl Cramer, Dudley than by planning. MacCorkle observed that, “Most people in this industry fall Dawson, Jean-Yves Poirier, Roby Scalvini • into it because they love boats.” ART & PRODUCTION He’s right. Art Director Blythe Heepe Think of some of the industry leaders we’ve worked with or profiled in Advertising Art Designer Michelle Gawe • these pages. Kiko Villalon, who designed numerous powerboats and founded WEBSITE Marine Concepts, trained formally as an engineer for sugar production in Manager Greg Summers his native Cuba. But he’d started sailing and building boats with his father in • ADVERTISING the 1940s, and that was the passion he spun into a successful career when the Director Todd Richardson revolution displaced him to the U.S. Rod and Bob Johnstone, who came from Manager Laura Sherman collective professional backgrounds teaching school, designing submarine Classified Pat Hutchinson enginerooms, and marketing Quaker Oats, created J Boats in 1977 based on Sales Representatives their enduring love for sailing and competition. Noted yacht designer and East Coast and Central United States & Canada Ray Clark, 401–247–4922, [email protected] builder Dudley Dix was formally trained and worked as a quantity surveyor in Southeast and West Coast South Africa before taking the Westlawn School of Yacht Design correspon- Todd Richardson, 207–359–4651, dence program and then professionally reverting to boats, a habit and skill he [email protected] picked up as a boy dinghy-sailing with his father. Similarly, regular ProBoat UK and Europe contributor, boat designer, and yard operator Butch Dalrymple-Smith con- Edward Mannering, +44 (0) 7732 910 727, fessed that he’d taken up yacht design largely as a needed distraction while [email protected] • attending medical school. Our technical editor, Steve D’Antonio, studied REFIT political science at university and was working in a law firm before the boat www.refitshow.com addiction that started in his childhood pulled him into the trade. On page 22 866–448–7903 of this issue, our new editor-at-large, Dieter Loibner, introduces us to Harry Larsen, a retired Boeing applied mathematician, who has developed his own foils and computerized ride-control system while working mainly in the same Professional BoatBuilder (ISSN 1043–2035) is published bimonthly in February, April, June, August, October, and December in Brooklin, Vashon Island boatyard facility where he grew up surrounded by boats. Maine, by WoodenBoat Publications, Inc., Jonathan A. Wilson, Chairman; James E. Miller, President. Editorial, advertising, and While none of these innovative builders, designers, or repairers took a subscription offices are at P.O. Box 78, Brooklin, ME 04616, tel. 207–359–4651. direct route to their careers in boatbuilding, there is a common denominator: The cost of a subscription to Professional BoatBuilder for non- qualified subscribers in the U.S. is $31.95 per year. Canadian rate is early exposure. They all started boating at a young age, and returned to that $36.95 U.S. funds. Overseas rate is $44.95 U.S. funds drawn on a U.S. bank. For credit card orders, please call 937–610–0234.