piston engine

piston engine
A term most commonly used for reciprocating engines. In airplanes, normally Pipper is on the cockpit which is the aiming point for the weapons four-stroke engines are used. See four-stroke engine.

Aviation dictionary. 2014.

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  • piston engine — engine powered by a cylinder which is moved back and forth by pressure …   English contemporary dictionary

  • piston-engine aircraft — aircraft which is powered by a propeller which spins from the force of the piston engine …   English contemporary dictionary

  • piston engine — A form of internal combustion engine. It is a heat engine in which the expansion of gas causes (by the explosion or a fuel and air mixture or the introduction of steam) a piston inside a cylinder to move and turn a crank shaft …   Dictionary of automotive terms

  • piston engine — noun an engine, especially in an aircraft, in which power is derived from cylinders and pistons rather than a turbine. Derivatives piston engined adjective …   English new terms dictionary

  • piston engine. — See reciprocating engine. [1905 10] * * * …   Universalium

  • piston engine — noun Any of several types of engine having cylinders containing reciprocating pistons …   Wiktionary

  • piston engine — noun : an engine utilizing pistons working in cylinder and usually involving reciprocating motion …   Useful english dictionary

  • piston engine. — See reciprocating engine. [1905 10] …   Useful english dictionary

  • Free-piston engine — The free piston engine is a linear, crankless combustion engine, in which the piston motion is not controlled by a crankshaft but determined by the interaction of forces from the combustion cylinder gases, a rebound device and a load device.The… …   Wikipedia

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