Otto engine
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The Otto engine is a large stationary single-cylinder internal combustion four-stroke engine, designed by the German Nicolaus Otto. It was a low-RPM machine, and only fired every other stroke due to t
The 1860 Lenoir Engine
The Otto/Langen atmospheric engine of 1867
An 1880s era American Otto engine for stationary use
1885 Daimler's Petroleum Reitwagen
Four-stroke engine
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A four-stroke engine is an internal combustion engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylin
Otto engine
…The Otto engine is a large stationary single-cylinder internal combustion four-stroke engine, designed by the German Nicolaus Otto. It was a low-RPM machine, and only fired every other stroke due to the Otto cycle, also designed by Otto. Three…
This 2004 Toyota Prius hybrid has an Atkinson-cycle engine as the petrol-electric hybrid engine
Audi Diesel R15 at Le Mans