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A piece of wood called a tenon, usually taking the form of a rectangle, is inserted into each mortise to join the two planks together. The assembly is locked by driving a peg (or dowel pin or treenail) through one or more holes drilled through the mortise side wall and tenon. This technique is known as Phoenician joint when applied to shipbuilding.
A treenail, also trenail, trennel, or trunnel, is a wooden peg, pin, or dowel used to fasten pieces of wood together, especially in timber frames, covered bridges, wooden shipbuilding and boat building. [1] It is driven into a hole bored through two (or more) pieces of structural wood (mortise and tenon).
A taper pin is a fastener used in mechanical engineering. They are steel rods with one end having a slightly larger diameter than the other. Metric taper pins have a taper of 1:50. [1] A 1:50 taper means that one end of a 50 mm long bar will be 1 mm smaller in diameter than the other end.
A belaying pin is a solid metal or wooden device used on traditionally rigged sailing vessels to secure lines of running rigging. Largely replaced on most modern vessels by cleats, they are still used, particularly on square rigged ships. [1] A belaying pin is composed of a round handle and cylindrical shaft.
Wooden dowel pins. The dowel is a cylindrical shape made of wood, plastic, or metal. In its original manufactured form, a dowel is long and called a dowel rod, which are often cut into shorter dowel pins. [citation needed] Dowels are commonly used as structural reinforcements in cabinet making and in numerous other applications, including:
The tapered drift pin is used to align the two bolt holes in two separate components that are designed to mate. First the two components are maneuvered until the holes in each are in semi-alignment, such that the narrow end of the tapered drift pin can be inserted through the two holes.
The pin bolt or cotter bolt, instead of a thread, has a tapered hole forged through the end away from the head, into which a tapered pin or cotter is knocked. The taper is in effect a straight thread. In conjunction with a washer, this draws the bolt tight, as a nut does on a screw bolt. [citation needed]
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.
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