overhead camshaft


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overhead camshaft

[′ō·vər‚hed ′kam‚shaft]
(mechanical engineering)
A camshaft mounted above the cylinder head.

overhead camshaft

overhead camshaft
The camshaft of an aircraft reciprocating engine, located above the cylinder head, which operates the valves directly without the aid of the push rods.
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All vehicles are thus pretty similar, being powered by single overhead camshaft, four-cylinder water-cooled 976 cc Rotax engine coupled to a fully automatic transmission, with 2- or 4-wheel drive being selectable by the driver.
Finally, BMW has a new version of its legendary R1200 GS adventure bike, with a new double overhead camshaft engine with more power and torque.
The single-piece cylinder head features four valves per cylinder and carries the overhead camshaft which serves the valve timing system, the fuel unit injectors and the Iveco Turbo Brake system (ITB).
That performance comes thanks to a specially developed version of Mitsubishi's 1.5litre, double overhead camshaft, 16 valve engine which is fitted with an intercooled turbocharger and tuned to develop 150bhp at 6,000rpm and 210 Nm of torque, or pulling power, at 3,500rpm.
The GS430 comes with an impressive 279 bhp 4.3-litre V8 32-valve double overhead camshaft engine that powers it from rest to 62 mph in 6.3 seconds.
That is virtually identical to the 1.6-litreFord Streetka,despite the Copen's tiny four cylinder twin overhead camshaft engine, with the bonus of 44mpg economy.
Already boasting a classleading 102 PS and 88.5 lb ft torque in standard 1.3 litre form, the modified all-alloy four cylinder twin overhead camshaft engine used in the Rally models produces 111.5 PS at 6,000 rpm and 105 lb ft torque at 4,600 rpm.
Bodyshell /drive train: 4.80m by 1.93m 5dr estate; 1999cc, 145bhp, double overhead camshaft engine drives front wheels through five-speed manual transmission.
The car is powered by a 132bhp, double overhead camshaft, 16-valve, 2.0-litre, petrol engine which delivers a top speed of 128mph and can move you from 0-60 in 10 seconds flat.
Furthermore, the new engine incorporates the single overhead camshaft distribution system called Unicam which has been already tested on Honda's offr-road machines.
The engine has an overhead camshaft and, depending on the version, has either two or four valves per cylinder.
Under the bonnet the GS 430 has an impressive 279bhp 4.3-litre V8 32- valve double overhead camshaft engine that powers it from rest to 62mph in 6.3 seconds.