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15-631: M44 or M-44 may refer to: Transportation [ edit ] BMW M44 , an inline 4 gasoline engine produced by BMW M-44 (Michigan highway) , a state highway in Michigan M44 (Cape Town) , a Metropolitan Route in Cape Town, South Africa M44 (Johannesburg) , a Metropolitan Route in Johannesburg, South Africa M44 motorway (Hungary) , an under-construction motorway MÁV Class M44 ,

30-585: A stroke of 83.5 mm (3.29 in). A compression ratio of 10.0:1 is used, along with the Bosch Motronic 5.2 engine management system. The crankshaft has an increased stroke from the M42's 81 mm (3.19 in) and is cast instead of forged. Also revised were the valve actuators which are of a roller pivoting arm type. Applications: With time this engine was replaced by BMW N42 engine . Engine displacement Engine displacement

45-489: A Finnish anti-tank blast mine Tikkakoski M44 , a Finnish submachine gun A model of the Mosin–Nagant , a Russian bolt-action rifle A Yugoslav People's Army's internal designation of SU-100 self-propelled gun Other uses [ edit ] IBM M44/44X , an experimental IBM mainframe from the 1960s M44 (cyanide device) , a device used to poison predators Messier 44 (M44), an open star cluster also called

60-415: A Wankel engine is 3 times smaller than the physical displacement, but this is compensated by the fact that the shaft has 3 times the rotational speed of the rotor. The nominal displacement is the swept volume of a single chamber. Historically, many car model names have included their engine displacement. Examples include the 1923–1930 Cadillac Series 353 (powered by a 353 Cubic inch /5.8-litre engine), and

75-413: A comparative nominal displacement for variant engine types. In several countries fees and taxes levied on road vehicles by transport authorities are scaled in proportion to engine displacement. In countries where this is practised, vehicle manufacturers often seek to increase power output through higher-revving engines or turbocharging , instead of increasing the displacement. Examples of countries where

90-620: Is calculated by multiplying together three values; the distance travelled by the piston (the stroke length ), the circular area of the cylinder, and the number of cylinders in the whole engine. The formula is: Using this formula for non-typical types of engine, such as the Wankel design and the oval-piston type used in Honda NR motorcycles, can sometimes yield misleading results when attempting to compare engines. Manufacturers and regulators may develop and use specialised formulae to determine

105-440: Is increased by 5 N⋅m (4 lb⋅ft) at 200 rpm lower. There was also a 70% reduction in valve train friction which contributed to the engine being more quiet and fuel efficient than its predecessor. The M44 has a cast iron block and aluminium cylinder head, as per its predecessor. The M44B19 has a displacement of 1,895 cc (115.6 cu in), which is achieved through a bore of 85.0 mm (3.35 in) and

120-466: Is one of the measures often used in advertising, as well as regulating, motor vehicles. It is usually expressed using the metric units of cubic centimetres (cc or cm , equivalent to millilitres ) or litres (l or L), or – particularly in the United States  – cubic inches (CID, cu in, or in ). The overall displacement for a typical reciprocating piston engine

135-420: Is the measure of the cylinder volume swept by all of the pistons of a piston engine , excluding the combustion chambers . It is commonly used as an expression of an engine's size, and by extension as an indicator of the power (through mean effective pressure and rotational speed ) an engine might be capable of producing and the amount of fuel it should be expected to consume. For this reason displacement

150-597: The 1963–1968 BMW 1800 (a 1.8-litre engine) and Lexus LS 400 with a 3,968 cc engine. This was especially common in US muscle cars , like the Ford Mustang Boss 302 and 429, and later GT 5.0L, The Plymouth Roadrunner 383, and the Chevrolet Chevelle SS 396 and 454. However, trends towards downsizing and hybrid/electric drivetrains since 2010 have resulted in far fewer model names being based on

165-604: The Beehive Cluster Progress M-44 , a spacecraft used to resupply the International Space Station USS Vigor (AM-473) , a U.S. Navy Agile -class minesweeper The 44th Mersenne prime [REDACTED] Topics referred to by the same term This disambiguation page lists articles associated with the same title formed as a letter–number combination. If an internal link led you here, you may wish to change

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180-490: The M44 has roller rocker arms , a hot-wire MAF , displacement increased from 1.8 to 1.9 L (110 to 116 cu in) and other detail changes such as a grey cast iron crankshaft replacing the forged steel item from the previous M42. As per the final versions of the M42, the M44 has a dual length intake manifold ("DISA"). Peak power is the same as the M42, however mid-range power is increased significantly and peak torque

195-602: The Polish code-name for a Hungarian shunting diesel locomotive Weaponry [ edit ] 44M Tas , a Hungarian medium/heavy tank design of World War II ALFA M44 , a Spanish machine gun developed during World War II Hungarian 44M , an unguided anti-tank rocket designed by Hungary in World War II M44 generator cluster , an American chemical cluster bomb M44 self propelled howitzer , 1950s US self-propelled 155 mm artillery Panssarimiina m/44 ,

210-401: The link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=M44&oldid=1101216585 " Category : Letter–number combination disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages BMW M44 Compared with the M42,

225-404: The road taxes are based upon engine displacement: Wankel engines are able to produce higher power levels for a given displacement. Therefore, they are generally taxed as 1.5 times their stated physical displacement (1.3 litres becomes effectively 2.0, 2.0 becomes effectively 3.0), although actual power outputs can be higher than suggested by this conversion factor. The nominal displacement of

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