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A two-stroke diesel engine is a diesel engine that uses compression ignition in a two-stroke combustion cycle. It was invented by Hugo Güldner in 1899. [1]
The Detroit Diesel Series 71 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel.The number 71 refers to the nominal displacement per cylinder in cubic inches, a rounding off of 70.93 cu in (1.2 L).
Two-stroke engines often have a higher power-to-weight ratio than a four-stroke engine, since their power stroke occurs twice as often. Two-stroke engines can also have fewer moving parts, and thus be cheaper to manufacture and weigh less. In countries and regions with stringent emissions regulation, two-stroke engines have been phased out in ...
The 38 8-1/8 engines are inline diesel engines, with combustion occurring between two opposed pistons within a single cylinder liner. The engine has a bore of 8-1/8 inches (206.4 mm), a stroke of 10 inches (254.0 mm) for each piston, and the cylinder height is 38 inches (970 mm). The engine block is of dry block construction. [1]
The Series 92 engines were introduced in 1974. [8] Compared to the Series 71 engines they were derived from, the Series 92 featured a larger bore of 4.84025 ± 0.00125 in (122.942 ± 0.032 mm) and an identical stroke of 5 in (130 mm) for a nominal displacement per cylinder of 92 cu in (1,510 cc), from which the Series 92 derives its name.
The Wärtsilä RT-flex96C is a two-stroke turbocharged low-speed diesel engine designed by the Finnish manufacturer Wärtsilä. It is designed for large container ships that run on heavy fuel oil. Its largest 14-cylinder version is 13.5 meters high, 26.59 meters long, weighs over 2,300 tonnes, and produces 80.08 megawatts.
All 710 engines are two-stroke 45° V engines. The 710 model was introduced in 1985 and has a 1-inch (25 mm) longer stroke (now 11 in or 279 mm) than the 645 (10 in or 254 mm stroke). The engine is uniflow scavenged with four poppet exhaust valves in the cylinder head.
The Detroit Diesel Series 53 is a two-stroke diesel engine series, available in both inline and V configurations, manufactured by Detroit Diesel as a more compact alternative to the older Series 71 for medium and heavy duty trucks. The number 53 refers to the nominal swept displacement per cylinder in cubic inches.