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There are variations where gudgeons are mounted to the rudder and boat, and a pivot clevis pin is inserted into these gudgeons, or the pintles are fastened to the boat, and gudgeons are attached to the rudder. In any case, the fitting with the hole is referred to as a gudgeon. They are used to attach the rudder to the boat so that it can swing ...
Pintle/gudgeon sets have many applications, for example in sailing, to hold the rudder onto the boat; in transportation, in which a pincer-type device clamps through a lunette ring on the tongue of a trailer; and in controllable solid rocket motors, in which a plug moves into and out of the motor throat to control thrust.
Pottery boat from Eastern Han dynasty showing the earliest known representation of a rudder. Paul Johnstone and Sean McGrail state that the Chinese invented the "median, vertical and axial" sternpost-mounted rudder, and that such a kind of rudder preceded the pintle-and-gudgeon rudder found in the West by roughly a millennium. [31]
In larger vessels, the rudder is often linked to a steering wheel via cables, pushrods, or hydraulics. Model of a sternpost-mounted pintle-and-gudgeon rudder rudder stop A fitting that limits the swing of the rudder. rudderstock The structural part of a rudder that transmits the torque created by the tiller or steering gear to the rudder blade ...
English: Scheme of a pintle-and-gudgeon system of medieval and early modern ships with sternpost-mounted rudder. This system appeared first in northern Europe in the early 12th century. This system appeared first in northern Europe in the early 12th century.
In very early engine designs, including those driven by steam, and many very large stationary or marine engines, the gudgeon pin is located in a sliding crosshead that connects to the piston via a rod. A gudgeon is a pivot or journal. The origin of the word gudgeon is the Middle English word gojoun, which originated from the Middle French word ...
There is a rudder with pintles on the leading edge, inserted into gudgeons. [21] It is possible that use was made of a wooden bowline or reaching spar (called a beitass by the Norse). This was used to push the luff of the sail out into the wind. [22]
Technical drawing of a late 16th century or early 17th century Portuguese galleon, featured in the Livro de Traças de Carpintaria The galleon's pintle and gudgeon rudder. Galleons were constructed from oak (for the keel), pine (for the masts) and various hardwoods for hull and decking. Hulls were usually carvel-built. The expenses involved in ...
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