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[13] 1913 – René Lorin invents the ramjet. [14] 1915 – Leonard Dyer invents a six-stroke engine, now known as the Crower six-stroke engine named after his reinventor Bruce Crower. 1926 – Robert H. Goddard launched the first liquid-fueled rocket. [15] [16] 1929 – Felix Wankel patents the Wankel rotary engine (U.S. patent 2,988,008). [17]
The engine was a single-cylinder unit that displaced 6.1 dm 3, and was rated 3 PS (2,206 W) at 180/min, with a fuel consumption of 0.95 m 3 /PSh (1.29 m 3 /kWh). [ 17 ] : p43-44 Wilhelm Maybach later improved the engine by changing the connecting rod and piston design from trunk to crosshead , so it could be put into series production.
Developed for Charles Porter by Charles Richard, the steam engine indicator traces on paper the pressure in the cylinder throughout the cycle, which can be used to spot various problems and to optimize efficiency. [14] [19] Earlier versions of the steam engine indicator were in use by 1851, though relatively unknown. [20]
Between 1855 and 1857 a farmer by the name of William Smith and John Fowler developed wire driven ploughing engines that were powered by portable engines. [20] By 1863 W. Savory and Sons had introduced a mobile ploughing engine and were using engines at both ends of the field. [21]
The World's Work: A History of Our Time. Vol. XIII. pp. 8163–8178 Includes photos of many c. 1906 special purpose automobiles. "New England in Motor History; 1890 to 1916". The Automobile Journal. 41: 9. 25 February 1916. Norman, Henry (April 1902). "The Coming of the Automobile". The World's Work: A History of Our Time. Vol.
Some of the engines were intended to do a job of work rather than for the entertainment of a model engineer, for example, the 1935 Sandhurst horizontal 2/3 bhp engine, which was described thus: [18] 'This engine will run on gas or petrol and is designed for continuous work such as dynamo, workshop or pump driving. It is supplied only as ...
The first British orders for the Hispano-Suiza 8 engines were placed in August 1915, shortly before the first order from the French government. Production in the United Kingdom was handled by Wolseley Motors who produced modified versions as the Viper. A total of 3,050 engines were built in the United Kingdom during World War I. [3]
Prior to this time the commercial engines available had been the Lenoir engine from 1860, a non-compression engine which worked on a double-acting two-stroke cycle, but spent half of each stroke drawing gas into the cylinder. The Hugon engine was a slightly improved version, but both were quite inefficient (95 and 85 cubic feet of gas per HP ...