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The series was made of welded aluminum. Most Marinettes today are used on inland rivers and lakes, although some are found in saltwater locations. They are, due to their light weight, relatively shallow chine angle, flat transom and broad beam, relatively fast and economical for boats of their size.
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Lofting is the transfer of a Lines Plan to a Full-Sized Plan. This helps to assure that the boat will be accurate in its layout and pleasing in appearance. There are many methods to loft a set of plans. Generally, boat building books have a detailed description of the lofting process, beyond the scope of this article.
Aluminum and aluminum alloys are used both in sheet form for all-metal hulls or for isolated structural members. Many sailing spars are frequently made of aluminium after 1960. It is the lightest material for building large boats (being 15–20% lighter than polyester and 30% lighter than steel).
Richard F. Smith, the designer, devised the lock notch welded system for which Charleston Dry Dock & Machine was the sole licensee. [6] The design consisted of steel plates with notches that allowed easy fit-up and welding. Only nine workmen were required to assemble the hull. This design saved one-quarter of the cost, and 85,000-lbs of rivets.
The one sheet boat (OSB, cf. oriented strand board) is an outgrowth of the stitch and glue technique. The OSB is a boat that can be built using a single sheet of 4 foot by 8 foot plywood (1.22 m × 2.44 m). Some additional wood is often used, for supports, chines, or as a transom, though some can be built entirely with the sheet of plywood ...
He began work full-time as a draftsman for boat designers Lindsay Lord and then John Hacker in the early 1950s. The Gloucester Light Dory , one of Bolger's better-known designs Bolger's first boat design was a 32-foot (9.75 m) sportfisherman published in the January 1952 issue of Yachting magazine .
The boat is a development of McGregor's Sabot design, the plans for which were published in The Rudder magazine in 1939. The design has been widely adapted and other derivations include the Naples Sabot , US Sabot , Wind'ard Sabot and the Australian Holdfast Trainer .