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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 .
The mean effective pressure (MEP) is a useful comparison tool, giving the average cylinder pressure exerted on the piston. Petrol engine (naturally aspirated) – MEP 1.67 MPa (16.7 bar), 132.6 N⋅m (98 lbf⋅ft) per litre – 2019 BAC Mono R 330 N⋅m (243 lbf⋅ft)
Power-to-weight ratio (PWR, also called specific power, or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another. Power-to-weight ratio is a measurement of actual performance of any engine or power source.
When in "4-Low" mode the front and rear axles are locked together and power is sent to all four-wheels through a 2.92:1 gear reduction in the power transfer unit; providing a crawl ratio of 56:1 for four cylinder Jeep Cherokees and a 47.8:1 crawl ratio for six-cylinder Cherokees.
It says that due to their increased weight, EVs can emit significant higher levels of particulate matter from tires compared to modern tailpipes, which are equipped with efficient exhaust filters.
Crawl ratio is a term used in the automotive world to describe the highest gear ratio that a vehicle is capable of. Note that gear ratio, also known as speed ratio, of a gear train is defined as the ratio of the angular velocity of the input gear to the angular velocity of the output gear, and thus a higher gear ratio implies a larger speed reduction, i.e. the input speed is reduced more at ...
In 2010, Pratt & Whitney launched the development of an ultra high-bypass version, with a ratio significantly higher than the PW1100G's 12.2:1 for the A320neo, to improve fuel consumption by 20% compared to a CFM56-7 and reduced noise relative to the FAA's Stage 4 by 25 dB. In 2012, wind tunnel tests were completed on an earlier version of the ...
The car has a power to weight ratio of 2.18 kg (4.81 lb) per horsepower (PS). The 812 Superfast is the first Ferrari equipped with EPS (Electronic Power Steering). It also shares the rear-wheel-steering system (Virtual Short Wheelbase 2.0) borrowed from the limited edition F12 TDF. The weight distribution of the car is 47% front, 53% rear.
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