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A preserved hit-and-miss engine: 1917 Amanco 2 + 1 ⁄ 4 hp (1.7 kW) 'Hired Man' A hit-and-miss engine or Hit 'N' Miss is a type of stationary internal combustion engine that is controlled by a governor to only fire at a set speed. They are usually 4-stroke, but 2-stroke versions were also made.
The Witte Iron Works was a maker of hit and miss engines. The company was started in 1870 by August Witte in Kansas City. His son Ed Witte built the company's first crude gasoline engine in 1886. In 1894 gas engines would be the company's primary focus. [1] They made the Witte's Junior Headless engine, Witte portables, and a Dragsaw. In 1911 ...
A headless engine or fixed head engine [1] is an engine where the end of the cylinder is cast as one piece with the cylinder and crankcase. [2] The most well known headless engines are the Fairbanks-Morse Z and the Witte Headless hit and miss engine [3]
In 1898 White and Middleton produced nine different sizes of engine. [13] Some models were approved by Underwriters Laboratories. [14] An engine of the ordinary four-cycle type, for gas or gasoline, is made by the White & Middleton Company, Baltimore, in sizes from 4 to 50 B.H.P. In this motor the valve shaft is replaced by spur-gearing.
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The oldest engine technological predecessor for the variable-displacement engine is the hit and miss engine, developed in the late 19th century.These single-cylinder stationary engines had a centrifugal governor that cut the cylinder out of operation so long as the engine was operating above a set speed, typically by holding the exhaust valve open.
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This method of speed-control is often referred to as the Hit or Miss method because the engine mis-fires (for lack of fuel-mixture) on those power-strokes where the engine is running faster than the governed speed, but will hit (fire) on power strokes where the speed is too low. No fuel is used on the mis-fire strokes.