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In fluid mechanics, displacement occurs when an object is largely immersed in a fluid, pushing it out of the way and taking its place. The volume of the fluid displaced can then be measured, and from this, the volume of the immersed object can be deduced: the volume of the immersed object will be exactly equal to the volume of the displaced fluid.
Engine displacement is the measure of the cylinder volume swept by all of the pistons of a piston engine, excluding the combustion chambers. [1] 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 ...
The auto industry now uses liters for this purpose, while reciprocating engines used in commercial aircraft often have model numbers based on the cubic inch displacement. The fifth generation Ford Mustang has a Boss 302 version that reflects this heritage - with a five-liter (302 cubic inch) engine similar to the original Boss.
In petrol (gasoline) engines used in passenger cars for the past 20 years, compression ratios have typically been between 8:1 and 12:1. Several production engines have used higher compression ratios, including: Cars built from 1955 to 1972 which were designed for high-octane leaded gasoline, which allowed compression ratios up to 13:1.
It has also been used in a 600 hp (450 kW; 610 PS) form aboard the Volkswagen W12 prototype sports car to establish a 24-hour record of 323 km/h (200.7 mph) in 2002 at the Nardò Ring in Italy. The WR12 will be discontinued in April 2024. [15] identification parts code prefix: 07C engine displacement & engine configuration
In 1991 the R26B-powered Mazda 787B became the first Japanese car and the first car with anything other than a reciprocating piston engine to win the 24 Hours of Le Mans race outright. The R26B engine displaced 2.6 L (2,616 cc) per set of four chambers (counting only one 654 cc (39.9 cu in) chamber for each of the four rotors) – thus the "26 ...
A "cowardly" boy racer who fled and left his 15-year-old friend dying in the wreckage of a crashed car has been detained. Billy Conroy was 16 when he crashed a Mazda6 in Newcastle while fleeing ...
As more effort is put into maximizing an engine to take advantage of E85's higher octane rating, engines achieve greater power advantages. One car that has higher power on ethanol is the Koenigsegg CCXR, which on ethanol is the fifth-most powerful production car, with 20% more horsepower on E85 than on gasoline. According to the manufacturer ...