Steve chose to use Robbins Elite okoume plywood. The build requires ten sheets of 1/4″ plywood, ten of 3/8″, and three of 1/2″, all in standard 4’x8’ sheets. Sea trials with SADIE showed that trim improved when some of the passengers moved from the cockpit into the cuddy cabin.Ĭonstruction began by setting up a base frame consisting of two longitudinals and four cross braces, all in 8″ x 2″ softwood. For SADIE it was decided that, as a useful exercise, the academy students would cut some of the parts would be cut by hand, and enter the data for others in a CAD program and have them CNC cut at the Architectural Association’s woodland site at nearby Hooke Park. There is detailed information regarding every plywood component, including offsets and a thoroughly thought-out nesting arrangement to ensure economical use of plywood.
#17 foot wood runabout pdf
Steve found that the PDF plans, supplied as an “instant download” by, were very comprehensive-there are even separate metric and imperial versions-and there was no need to loft the boat. All of the Classic-series boats were designed to go offshore in moderate conditions and make it home safely if the weather takes a turn for the worse. Unlike today’s deep- to moderate-V hulls, the Classic 17 has a low, 10-degree deadrise, which requires less power to plane but will pound more as the sea builds up. Mertens based the design on a classic hull shape that was common among outboard boats in the 1950s. His company has now supplied a couple of hundred sets of Classic 17 plans around the world, and he thinks about 50 boats have been launched in the U.S.
Jacques Mertens designed the Classic 19, around 1990, for an amateur boatbuilder in Florida, and the 17 and 21 followed soon afterward. SADIE is a Classic 17 that was built by Steve Hewins and his fellow students at the Boat Building Academy in Lyme Regis, U.K.
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