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March 22, 2019 02:00 AM

Composite Builders grows as it rides innovation wave

Catherine Kavanaugh
Senior Reporter
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    Matt Knighton/Stars+Stripes Team USA
    A 75-foot sailboat is under construction at Composite Builders in Holland, Mich., for the Stars+Stripes Team USA to race in the 2021 America's Cup.

    For its third move in five years, Composite Builders LLC dropped anchor in 30,000 square feet of warehouse space in Holland, Mich., invested $750,000 and added employees.

    Now it's all hands on deck to finish building one of the most sophisticated sailboats ever.

    Composite Builders was selected by Stars + Stripes Team USA to craft its carbon fiber vessel for the 36th annual America's Cup race in Auckland, New Zealand. Set for March 2021, competitors will vie for the oldest trophy in international sports — it dates back to 1851 — sailing in a futuristic class of yacht dubbed AC75.

    The AC75 design calls for a 75-foot monohull that has no keel but can right itself in the event of a capsize. The groundbreaking concept is achieved with twin canting T-foils that are ballasted to provide roll stability and return the ship to its upright position.

    The T-foils are a combination of computer numerically controlled-cut, high-tensile steel and molded carbon fiber, Composite Builders founder and CEO Brian MacInnes said in a phone interview. The parts make up some of the ballast so the weight of the steel is needed, he added.

    An electronically controlled hydraulic foil cant system with more than 400 components will control the roughly 13-foot composite foil arms and wings, which will be maneuvered for stability, lift and speed. The system was supplied to each team as a safety precaution and to help control costs.

    A smaller test model of the AC75 sailboat was likened by one observer to a "nautical insect" that "rises up on hydrofoils and slices across the top of the waves."

    MacInnes said: "Building a large structure like that is very exciting and incredible for the business. For us, it's not just another large component, but a complicated one. There are a lot of different bits and pieces. It's a great challenge and a great thing to be involved with."

    MacInnes opened Composite Builders in 2014 after retiring from professional sailing. He had competed in six bids for the America's Cup and twice was on the winning Oracle Team USA, plus he was involved with the design and construction of the yachts he raced. MacInnes learned about tooling, lamination and performance testing.

    The U.S. location of MacInnes's business also was important, Stars + Stripes Team USA CEO Justin Shaffer said in a news release.

    "For a number of reasons, including the outsourcing of the design and build of yachts in the past, there are a smaller number of American yacht designers and boat builders skilled in creating this new breed of foiling America's Cup yachts," Shaffer said. "What excites us about our grassroots vision for Stars + Stripes Team USA is that it creates new opportunities for the next generation of American boat builders and designers by having our all-American team learn from global experts."

    To tap into those industry experts, the Stars + Stripes team purchased a design package for its AC75 race yacht from Emirates Team New Zealand, which is the defending champion from the last race in 2017 as well as the team that developed the 2021 foiling monohull concept.

    A 62-page rule book regulates all aspects of the boat with the goal of having a fair and exciting race while giving builders freedom to innovate.

    For example, boat builders can choose from several permitted core materials, inculding specific kinds of aluminum honeycomb that may be surface treated to prevent corrosion; the DuPont-developed Nomex-brand honeycomb or its equivalent; timber; or plastic foam.

    For the Stars + Stripes team, Composite Builders will use mostly intermediate modulus carbonate over a honeycomb Nomex core as well as high modulus carbonate for high-stress areas. The Nomex honeycomb, which essentially is paper dipped in phenolic resin, is sandwiched between two layers of carbon fiber.

    "It will be extremely lightweight and extremely strong for its size," MacInnes said. "You're talking about a 75-foot boat that will weigh around 6 tons with crew and rig and everything. The load factors on it are quite incredible. You've got to use the best of the best."

    Matt Knighton/Stars+Stripes Team USA

    A rendering of the racing yacht now being built to compete in the 2021 America's Cup race.

    Launching a business

    Composite Builders started out in a 3,000-square-foot section of a warehouse in Grandville, Mich., but outgrew it in two years and moved to an 8,000-square-foot shop in Holland.

    Customers in the military, marine, wind energy, recreation and architectural markets turn to the staff, which currently is up to 32 but fluctuates in number depending on projects. Composite Builders supplies the U.S. Paralympics team with sit-skis; works with three drone companies on marine and aerospace applications; builds prototype parts for businesses like Kitty Hawk Corp., which is working on flying cars; and produces carbon-fiber fly-fishing poles and archery equipment, among other things.

    "As we got into some of these larger jobs, we found ourselves renting space in other buildings," MacInnes said. "It didn't work so well having a small business operating out of two locations. We found some more space in a building that a partner bought."

    The 110,000-square-foot warehouse has been given a $1 million upgrade with about $750,000 going into the area housing Composite Builders. The partners spent about $300,000 on bringing that part of the structure up to code and modernizing it, $400,000 on a new five-axis CNC machine and other equipment and about $50,000 on infrastructure.

    Composite Builders also recently became ISO, approved and plans to get into the medical market. An aerospace certification will be pursued later this year.

    Shades for The Shed

    As it ramps up construction of the next-generation sailboat for the America's Cup, Composite Builders is filling the last of an order for a set of 14 theatrical shades for a $475 million cultural arts venue in New York City called The Shed.

    The versatile 200,000-square-foot structure will hold eight levels of gallery, theater, rehearsal and creative lab space for exhibits, performances and lectures. The facility also has a telescoping movable ethylene tetrafluoroethylene shell that can extend over an adjoining plaza for more art installations or gatherings of up to 1,250 people seated or 2,000 standing.

    Composite Builders teamed up with Doyle Sails in Salem, Mass., to supply shades that can be lowered when needed around the ETFE shell-covered plaza.

    "They're like huge window dressings for this building. They drop drown when they're having a concert," MacInnes said. "They're so big; they're roughly 2,500 to 3,000 square feet and weigh about 6.5 tons."

    Doyle engineered the shades, which are made of heavy-duty Neoprene, extruded ABS boards and sail cloth, and Composite Builders handled the assembly, which involves gluing and envelope-vacuum bagging the huge shade system components.

    The city of Holland approved a 12-year tax abatement to help Composite Builders take on bigger projects in a new location with encouragement from the Zeeland, Mich.-based economic development group Lakeshore Advantage Corp.

    "Composite Builders is a shining example of the engineering and innovation that occurs in industry along West Michigan's lake shore region that continuously makes final products better, faster, stronger, safer," Lakeshore Advantage President Jennifer Owens said in a news release.

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