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Clinker-built, also known as lapstrake-built, [1] [2] is a method of boat building in which the edges of longitudinal (lengthwise-running) hull planks overlap each other. Where necessary in larger craft, shorter hull planks can be joined end to end, creating a longer hull plank ().
Garboard strakes and related near-keel members Diagram of typical modern metal-hulled ship’s exterior plating, with a single strake highlighted in red. On a vessel's hull, a strake is a longitudinal course of planking or plating which runs from the boat's stempost (at the bows) to the sternpost or transom (at the rear).
Then, on a single day, the cement is applied by a team of plasterers. The cement:sand ratio is a very rich 4:1. As the hull thickness is typically 2.5 to 3 cms, ferrocement is unsuitable for boats less than about 15 metres LOA as there is a weight penalty; above that length there is no penalty. Properly plastered ferrocement boats have smooth ...
A deck is a permanent covering over a compartment or a hull [1] of a ship. On a boat or ship, the primary or upper deck is the horizontal structure that forms the "roof" of the hull, strengthening it and serving as the primary working surface. Vessels often have more than one level both within the hull and in the superstructure above the ...
Ancient boat building methods can be categorized as one of hide, log, sewn, lashed-plank, clinker (and reverse-clinker), shell-first, and frame-first. While the frame-first technique dominates the modern ship construction industry , the ancients relied primarily on the other techniques to build their watercraft.
A cathedral hull, seen from blow, with a simple platform for the rest of the boat. A cathedral hull is a hull shape used in modern boats, usually power-driven. It has sponsons which extend almost as far forward as the main hull. The airspace between the hulls may be very small or nonexistent.
Edit 2 Original color scheme and dots, fixed captions in arial font and reduced pointer line thickness Reason Great picture with great encyclopedic value Proposed caption A tugboat, or tug, is a boat used to maneuver large ships in harbours, over the open sea, or through rivers and canals. They also tow barges, disabled ships, and oil rigs ...
Theoretical research and full-scale testing of tunnel hulls has demonstrated the dramatic contributions of 'close-proximity ground effect' on enhanced aerodynamic lift/drag in operation of performance tunnel hull designs. [1] Tunnel hulls are distinguishable from other catamarans by the typical close hull spacing and solid deck in between the ...