Pintle

Pintle

A pintle is a pin or bolt, usually inserted into a gudgeon, which is used as part of a pivot or hinge.

A pintle/gudgeon set is used in many spheres, for example: in sailing to hold the rudder onto the boat; in transportation a pincer-type device clamps through a lunette ring on the tongue of a trailer; in controllable solid rocket motors a plug moves into and out of the motor throat to control thrust.

In the military, a pintle is used with light machine guns as the mounting hardware that mates the machine gun to a tripod. Essentially the pintle is a bracket with a cylindrical bottom and a cradle for the gun on top; the cylindrical bottom fits into a hole in the tripod while the cradle holds the gun.

In furniture, a pintle is usually fitted to a castor; the pintle is then inserted into a base, fixing the castor to that base.

In rocketry, a pintle engine uses a single-feed fuel injector rather than the hundreds of smaller holes used in a typical rocket engine. That lowers the cost of engine manufacture while surrendering some performance. Originally developed by Grumman for the Apollo Lunar Module, notable modern uses are on the engines developed by SpaceX.

Pintle is also an archaic word for the penis, current in Scottish vernacular use. [Oxford English Dictionary. Second Edition. "pintle, n."]

References


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  • Pintle — Pin tle, n. [A diminutive of {Pin}.] 1. A little pin. [1913 Webster] 2. (Mech.) An upright pivot pin; as: (a) The pivot pin of a hinge. (b) A hook or pin on which a rudder hangs and turns. (c) A pivot about which the chassis swings, in some kinds …   The Collaborative International Dictionary of English

  • pintle — ► NOUN ▪ a pin or bolt on which a rudder turns. ORIGIN Old English, «penis» …   English terms dictionary

  • pintle — [pin′təl] n. [ME pintil, penis < OE pintel, dim. of pinn: see PIN] a pin or bolt upon which some other part pivots or turns …   English World dictionary

  • pintle nozzle — An injector nozzle containing the pintle …   Dictionary of automotive terms

  • pintle — noun Etymology: Middle English pintel, literally, penis, from Old English; akin to Middle Low German pint penis, Old English pinn pin Date: 15th century a usually upright pivot pin on which another part turns …   New Collegiate Dictionary

  • pintle — /pin tl/, n. 1. a pin or bolt, esp. one on which something turns, as the gudgeon of a hinge. 2. a pin, bolt, or hook by which a gun or the like is attached to the rear of a towing vehicle. 3. a cast iron or steel base for a wooden post, often… …   Universalium

  • pintle — noun a) The penis. b) A pin or bolt, usually vertical, which acts as a pivot for a hinge or a rudder …   Wiktionary

  • pintle — Synonyms and related words: arbor, axis, axle, axle bar, axle shaft, axle spindle, axle tree, distaff, fulcrum, gimbal, gudgeon, hinge, hingle, hub, mandrel, nave, oarlock, pin, pivot, pole, radiant, rowlock, spindle, swivel, trunnion …   Moby Thesaurus

  • pintle — [ pɪnt(ə)l] noun a pin or bolt on which a rudder turns. Origin OE pintel penis , perh. a dimin., of unknown ultimate origin …   English new terms dictionary

  • pintle — pin·tle …   English syllables

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