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The Skimmer is a small, single-handed, recreational dinghy, built predominantly of wood planking. It has a catboat single-sail rig, a single chine hull , a transom-hung rudder and a pivoting centreboard keel .
Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.
A subdivision of the sheet plywood boat building method is known as the stitch-and-glue method, [8] where pre-shaped panels of plywood are drawn together then edge glued and reinforced with fibreglass without the use of a frame. [9] Metal or plastic ties, nylon fishing line or copper wires pull curved flat panels into three-dimensional curved ...
Water pumps move water through the filter system and back to the pond in a recirculating manner. The important thing to understand about pumps is that they be sized to the pond and the filter system. When the total back pressure in the system is considered, a pump should be circulating the total volume of water at least once per hour for proper ...
A small boat stuffing box comprising an adjusting nut, a locking nut and a sleeve. On a boat having an inboard motor that turns a shaft attached to an external propeller, the shaft passes through a stuffing box, also called a "packing box" or "stern gland" in this application. The stuffing box prevents water from entering the boat's hull.
Bolger's first boat design was a 32-foot (9.75 m) sportfisherman published in the January 1952 issue of Yachting magazine. He subsequently designed more than 668 different boats, [1] from a 114-foot-10-inch (35 m) replica of an eighteenth-century naval warship, the frigate Surprise (ex-Rose), to the 6-foot-5-inch (1.96 m) plywood box-like ...