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The Mitsubishi 4M4 engine is a range of four-cylinder diesel piston engines from Mitsubishi Motors, first introduced in the second generation of their Montero/Pajero/Shogun SUVs. They superseded the previous 4D5 engine family, main differences are enlarged displacements and the utilization of one or two over-head camshafts .
1952 Shell Oil film showing the development of the diesel engine from 1877. The diesel engine, named after the German engineer Rudolf Diesel, is an internal combustion engine in which ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is called a compression-ignition engine (CI engine).
The engine's 17:1 compression ratio gives it a best brake specific fuel consumption of less than 0.32 lb/(hp⋅h) (195 g/kWh), compared to typical avgas engines with 0.42 lb/(hp⋅h) (255 g/kWh). It is expected that the Graflight V-8 will burn under 11 US gal/h (42 L/h) of fuel at 65% power.
Diesel engines have the lowest specific fuel consumption of any large internal combustion engine employing a single cycle, 0.26 lb/hp·h (0.16 kg/kWh) for very large marine engines (combined cycle power plants are more efficient, but employ two engines rather than one).
The Mercedes-Benz OM642 engine is a 3.0 litres (2,987 cc), 24-valve, aluminium/aluminium block and heads diesel 72° V6 engine manufactured by the Mercedes-Benz division of Daimler AG as a replacement for the Mercedes straight-5 and straight-6 cylinder engines. [1] The engine features common rail Direct injection and a variable nozzle turbocharger.
The SMA SR305-230 is an air/oil-cooled, horizontally opposed, four-cylinder, four-stroke, diesel piston aircraft engine producing 170 kW (227 hp). The engine is manufactured by SMA Engines, and is currently the only product of this French company. The engine is offered as a conversion package for the Cessna 182.
The Continental CD-230 is a four-cylinder, horizontally opposed aircraft Diesel engine produced by Continental Motors, Inc. The engine received its type certificate from the US Federal Aviation Administration on December 19, 2012, under the official TD-300-B designation. [1] A later revision adds the TD-300-C with a higher critical altitude. [2]
Data from Austro Engine and type certificate General characteristics Type: Four-cylinder, four-stroke diesel aircraft engine Bore: 83 mm (3.3 in) Stroke: 92 mm (3.6 in) Displacement: 1,991 cm 3 (121 cu in) Length: 738 mm (29 in) Width: 855 mm (34 in) Height: 574 mm (23 in) Dry weight: 186 kg (410 lb) Mean time between failures: > 100,000 h Time between overhauls: 1,800 h Components Fuel type ...