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FF layout - Wikipedia, the free encyclopedia This layout is typically chosen for its compact packaging - that is, it takes up very little space, allowing the rest of the vehicle to be designed more flexibly. engine and drive wheels at the front of the vehicle. RR and MR layouts, it places the heavy engine over the drive wheels to aid in traction. en.wikipedia.org /wiki/Front_engine

Fire engine - Wikipedia, the free encyclopedia Engines are normally staffed with at least three people (a captain, an engineer, and a firefighter, and preferably with a second firefighter), to be able to effectively and safely attack a fire. It was the target of sabotage by fire fighters and its use was discontinued, and motorized fire engines did not become commonplace until the early 20th Century. The first fire engine in which steam was used was that of Braithwaite in 1829; Ericsson made a similar one in New York in 1840. en.wikipedia.org /wiki/Fire_engine   (1739 words)

Engine displacement - Wikipedia, the free encyclopedia Increase and decrease of typical engine displacement in the US Once V8 engines became expected on large American cars in the late 1950s, and continuing to the oil crisis in the 1970s, there was an engine displacement race in the industry. In cars, engines over 8 litres displacement are extremely rare in the last half-century and most modern cars utilise engines much smaller than that: in the United States, 1 to 2 litres for smaller cars, 3 to 5 litres for larger and faster cars, and 5 to 8 litres in sports cars. Engine power is thus dependent on the quantity of air/fuel mixture ingested and the efficiency of its combustion and conversion into power. en.wikipedia.org /wiki/Engine_displacement   (1453 words)

Zend Technologies - Wikipedia, the free encyclopedia The source code for the Zend Engine has been freely available under a BSD-style license since 2001; it is an open-source project, and there are now several programmers from all over the world who volunteer their time and skills to expand and improve the code base. The Zend Engine is still at the heart of PHP, with PHP 5 following the development cycle of ZE 2. Zend is best known for its founders Andi Gutmans and Zeev Suraski who, along with other Israeli graduates of the Technion and Rasmus Lerdorf, have created the PHP web programming language. en.wikipedia.org /wiki/Zend_Technologies   (247 words)

Stirling engine - Wikipedia, the free encyclopedia Stirling engines require both input and output heat exchangers which must contain the pressure of the working fluid, and which must resist any corrosive effects due to the heat source. Stirling engines, especially the type that run on small temperature differentials, are quite large for the amount of power that they produce, due to the heat exchangers. Robert Stirling's innovative contribution of 1816 was what he called the 'Economiser' now known as the regenerator which acts to retain heat in the hot portion of the engine as the air passes to the cold part and thus improve the efficiency. en.wikipedia.org /wiki/Stirling_engine   (2336 words)

Steam engine - Wikipedia, the free encyclopedia Steam turbines, technically a type of steam engine, are still widely used for generating electricity, but older types have been almost entirely replaced by internal combustion engines and electric motors. Steam entry is controlled by poppet valves (which act similarly to those used in internal combustion engines) that are operated by a camshaft. One of the advantages of the steam engine is that any heat source can be used to raise steam in the boiler; but the most common is a fire fueled by wood, coal or oil or the utilisation of the heat energy generated in a nuclear reactor. en.wikipedia.org /wiki/Steam_engine   (4945 words)

MSN Encarta - Steam Engine Further improvement in the design of steam engines is afforded by the uniflow engine, which uses the piston itself as a valve and in which all portions of the cylinder remain at approximately the same temperature when the engine is operating. By varying the point in the engine cycle at which steam is admitted to the cylinder, it is possible to vary the amount of compression and expansion in the cylinder and hence to vary the power output of the engine. Steam Engine, mechanical device used to transfer the energy of steam into mechanical energy for a variety of applications, including propulsion and generating electricity. encarta.msn.com /encyclopedia_761554687/Steam_Engine.html   (1985 words)

RR layout - Wikipedia, the free encyclopedia For optimum traction, the engine should be nearest to the driven wheels since the engine is typically the densest/heaviest component of the car. In addition, even though the rear wheels benefit from the additional traction the added weight of the engine gives, the front wheels still need traction in order to steer the car effectively. engine and drive wheels at the rear of the vehicle. en.wikipedia.org /wiki/Rear_engine   (1985 words)

Ogre (disambiguation) - Wikipedia, the free encyclopedia OGRE Engine is a free 3D engine released under LGPL. Ogre is also the name of a character from the movie, Revenge of the Nerds and its various sequels. The Ogre (mountain) is a 7,284 m high mountain in Pakistan. en.wikipedia.org /wiki/Ogre_(disambiguation)   (169 words)

Motorcycle - Wikipedia, the free encyclopedia It's powered by a charcoal-fired two-cylinder engine, whose connecting rods directly drive a crank on the rear wheel. Engine internals such as pistons and connecting rods must be replaced with stronger ones for all but the smallest boost. The chassis (or frame) of a motorcycle is typically made from welded aluminium or steel (or an alloy) struts, with the rear suspension being an integral component in the design. en.wikipedia.org /wiki/Motorcycle   (5003 words)

Jet engine - Wikipedia, the free encyclopedia The key to a practical jet engine was the gas turbine, used to extract energy to drive the compressor from the engine itself. Jet engines date back to the first century AD, when Hero of Alexandria invented the aeolipile, a mechanical curiosity that used steam power directed through two nozzles to cause a sphere to spin rapidly on its axis. A jet engine is an engine that accelerates and discharges a fast moving jet of fluid to generate thrust in accordance with Newton's third law of motion. en.wikipedia.org /wiki/Jet_engine   (5822 words)

Diesel engine - Wikipedia, the free encyclopedia Diesel engines produce very little carbon monoxide as they burn the fuel in excess air except at full load, at which point a full stochiometric quantity of fuel is injected per cycle. Diesel fuel is a better lubricant than gasoline so is less harmful to the oil film on piston rings and cylinder bores; it is routine for diesel engines to cover 250,000 miles or more without a rebuild. The BMW diesel lab in Steyr, Austria is led by Ferenc Anisits and is considered to be a leader in development of automotive diesel engines. en.wikipedia.org /wiki/Diesel_engine   (4616 words)

Air engine - Wikipedia, the free encyclopedia However, the air engine and refueling system, considered as a system, are not pollution free except in special cases, as the electric power generation would have its own environmental costs. The air engine is an emission-free piston engine using compressed air as fuel that was invented by Guy Nègre, a French engineer. This engine is used to power an urban car with room for five passengers and a projected range of about 100 to 200 miles (160 to 320 km), depending on traffic conditions. en.wikipedia.org /wiki/Air_engine   (545 words)

Air Hobbies Engine Mounts Dimensions: Backplate is 5 3/8" in diameter and the Muffler is 2 1/2" from Firewall to the Rear Case of the Engine. Dimensions: Backplate is 4" in diameter and the Muffler is 2 " from Firewall to the Rear Case of the Engine. www.aero-sports.com /airhobbies/mount.html   (43 words)

Centurion - Wikipedia, the free encyclopedia The Centurion Card, known as the Black Card, is American Express 's most exclusive charge card. Centurion Park is a South African cricket ground. Centurion was also the name of a British tank of the post- World War 2 era. en.wikipedia.org /wiki/Centurion   (43 words)

Campro engine - Wikipedia, the free encyclopedia The basic Campro engine coded as S4PH is a basic DOHC 16-valve 1.6 L engine that produces 110 bhp (82 kW) @ 6,500 rpm of horsepower and 148 N-m of torque. The Campro engine is aimed to show Proton's ability to make their own engines that produces good power output and meets newer emission standards. Even though the engine seems to be quite powerful at higher revs, its performance is reportedly sluggish at lower revs and this is proven by driving the Gen-2 uphills where drivers who drive the manual transmission version have to shift a lot between 2nd gear and 3rd gear. en.wikipedia.org /wiki/Campro_engine   (506 words)

Engine braking - Wikipedia, the free encyclopedia Engine braking is the act of using the energy-requiring compression stroke of the internal combustion engine to dissipate energy and slow down a vehicle. The jake brake is required in large diesel vehicles because the rate of conversion of mechanical energy into waste thermal energy is low compared to the mechanical returns to kinetic energy from the air-spring effect in the engine. Compression in an engine is driven by the driveshaft which is driven by the moving wheels of a vehicle (as well as the flywheel). en.wikipedia.org /wiki/Engine_braking   (715 words)

Flat engine - Wikipedia, the free encyclopedia A flat engine or boxer engine or horizontally opposed engine is a type of engine where the pistons lie horizontally opposed, with pairs of cylinders on the left and the right, as opposed to most modern engines where the alternating pistons are positioned in a "V"-angle. However, boxer engines are also wider than normal engines and are more expensive to build than traditional engines and, thus, are not widely used by automobile manufacturers. Diagram of the opposing pistons in a boxer engine en.wikipedia.org /wiki/Flat_engine   (715 words)

Mazda Wankel engine - Wikipedia, the free encyclopedia The ultimate 12A engine was the turbocharged and fuel injected engine used in the Japan-spec Cosmo, Luce, and RX-7. The most prominent 4-rotor engine from Mazda was used exclusively for various Mazda-built GT cars (including the 767 and 787B) in replacement of the older 13J. A passive knock sensor was used to eliminate detonation, and later models featured a specially-designed "impact turbo" which was tweaked for the unique exhaust signature of the Wankel engine. en.wikipedia.org /wiki/Mazda_Wankel_engine   (2201 words)

V8 engine - Wikipedia, the free encyclopedia The Holden small block V8 was an all Australian designed and manufactered cast-iron 90 degree pushrod OHV engine, manufactured in the capacities of 4.2 L (253 in³), 5.0 L (308 in³), later destroked to 304 in³), and 5.7 L (348 in³), later stroked to 350 in³). A V8 engine is a V engine with eight cylinders. The V8 is a common engine configuration in the highest echelons of motorsport, especially in the USA where it is required in IRL, ChampCar and NASCAR. en.wikipedia.org /wiki/V8   (2301 words)

Encyclopedia: Engine tuning Increasing the size of the valves in the engine, thus decreasing the restriction in the path of the fuel/air mixture entering, and the exhaust gases leaving the cylinder. Engine displacement is defined as the total volume of air/fuel mixture an engine can draw in during one complete engine cycle; it is normally stated in cubic inches, cubic centimeters, or litres. Turbocharger Cut-away A turbocharger is an exhaust gas driven compressor used in internal-combustion engines to increase the power output of the engine by increasing the mass of oxygen entering the engine. www.nationmaster.com /encyclopedia/Engine-tuning   (2072 words)

Straight engine - Wikipedia, the free encyclopedia A straight engine is considerably easier to build than an otherwise equivalent horizontally opposed or V engine because the cylinder bank can be milled from a single metal casting and it requires fewer cylinder heads and camshafts. Straight configurations are simpler than their V-shaped counterparts and usually provide smoother running, but at the cost of greater engine length. Usually found in 4 and 6 cylinder configurations, the straight engine (often designed as inline engine) is an internal-combustion engine with all cylinders aligned in one row, with no or only minimal offset. www.wikipedia.org /wiki/Straight_engine   (550 words)

Stationary engine - Wikipedia, the free encyclopedia The engines were usually powered by gasoline, or in some cases for economy it was possible to switch over to run on paraffin after the engine had warmed up - to achieve this required a part of the inlet tract to be heated by exhaust gases in order to vaporise the less volatile fuel. Today, most governors open and close a butterfly valve to control the amount of fuel air mixture entering the engine. However, in earlier engines the governor would cut off the fuel air mixture completely. en.wikipedia.org /wiki/Stationary_engine   (724 words)

Source engine - Wikipedia, the free encyclopedia Because of the nature of DirectX, once the engine enters such a state it will remain on the screen unless the user can blindly terminate the program, or reboots their computer. Source features 3D skyboxes, which allow for an area outside (or even inside) the accessible map to be displayed as a skybox at an exponentially increased scale with full 3D parallax. The Source Engine uses a caching system, whereby the loading of certain resources is handled and managed on the fly, rather than in a single operation behind a traditional loading screen. en.wikipedia.org /wiki/Source_engine   (1404 words)

Smethwick - Wikipedia, the free encyclopedia In 1966, Smethwick was merged with the boroughs of Oldbury and Rowley Regis to form the new County Borough of Warley. Smethwick is served by trains on both the "Stour Valley" (former LMS) and (former) and GWR lines from Birmingham New Street railway station and Birmingham Snow Hill station, respectively serving Wolverhampton and Worcester, with onward connections. In 1966, Smethwick ceased to be a single County Borough and was absorbed into the new County Borough of Warley, geographically although not administratively in Worcestershire. en.wikipedia.org /wiki/Smethwick   (978 words)

Siege engine - Wikipedia, the free encyclopedia The earliest siege engine in Europe was the battering ram, followed by the catapult in ancient Greece. A siege engine is a device that is designed to break or circumvent city walls and other fortifications in siege warfare. Prior to the First Gulf War it was believed that Iraqi armed forces were developing a "supergun" to attack Israel, under the leadership of a Canadian engineer named Gerald Bull. en.wikipedia.org /wiki/Siege_engine   (1044 words)

MSN Encarta - Rocket (physics) Rockets of 11.3-mm (4.5-in) calibre were developed by the United States for artillery rockets, fired from multiple launchers; for individual armament, carried by individual soldiers, and fired from the shipping tube or crate; and for aircraft rockets, fired from single or multiple launchers mounted on the wings of aircraft. The principal parts of the solid-propellant rocket are the payload, consisting of the warhead or scientific instruments, and the combustion chamber, or motor, containing the fuel charge and nozzles to expel the combustion gases. Within this container the gas exerts equal pressure on every point of its walls. uk.encarta.msn.com /encyclopedia_761577900/Rocket_(physics).html   (1044 words)

Reciprocating engine - Wikipedia, the free encyclopedia The reciprocating engine was introduced with the now obsolete steam engine, but today the most common form of reciprocating engines is the internal combustion engine using the burning of gasoline, diesel fuel, oil or natural gas to provide pressure. A reciprocating engine, also often known as a piston engine, is an engine that utilizes one or more pistons in order to convert pressure into a rotating motion. Single- and two-cylinder engines are common in smaller vehicles such as motorcycles; automobiles, locomotives, and ships may have a dozen cylinders or more. en.wikipedia.org /wiki/Reciprocating_engine   (406 words)

Pushrod engine - Wikipedia, the free encyclopedia The cause is historical: The OHV engine came first while OHC engines were developed as more expensive high-performance engines and have largely replaced the pushrod design, particularly in countries where cars are taxed based on engine displacement. Peak torque - Pushrod engines develop maximum power at a lower rpm than overhead cam engines and also tend to be torquier. Compare this to modern OHC engines that rev to 7,000 rpm in the case of ordinary engines, to 9,000 rpm in the case of high-performance engines like the one used in the Honda S2000, and even past 10,000 rpm in specialty engines. en.wikipedia.org /wiki/Pushrod   (995 words)

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