Search results

A '''timing light''' is a [[stroboscope]] used to dynamically set the [[ignition timing]] of an [[Otto cycle]] or similar [[internal combustion engine]]. ...frozen by the [[stroboscopic effect]], indicates the current timing of the spark. On multi-cylinder engines, the timing light is referenced to the number on

...urs when [[petrol|fuel]] in the cylinder is ignited by the firing of the [[spark plug]] and smooth burning proceeds but some of the unburned mixture in the ...of time that the knocking effect occurs. It is caused by an instantaneous ignition of the remaining fuel/air mixture in the form of an explosion. The cylinder

The '''firing order''' is the sequence of sparking of the [[spark plug]]s in a [[reciprocating engine]], or the sequence of fuel injection in In a [[straight engine]] the spark plugs (and [[cylinder (engine)|cylinder]]s) are numbered, starting with #1,

...ice which routes the high voltage in the correct [[firing order]] to the [[spark plug]]s. ...touch) the output contacts which connect via high tension cables to the [[spark plug]] of each cylinder. Within the distributor, the high voltage energy is

...during engine development. These '''timing marks''' can be used to set the ignition timing either statically by hand or dynamically using a [[timing light]].

...al petrol (gasoline) engines, by contrast, require an ignition system. The ignition system is usually switched on/off through a lock switch, operated with a ke ...ontrolled manner. This type of arrangement was quickly superseded by spark ignition, a system which is generally used to this day, albeit with sparks generated

...System || Magneti Marelli IAW Multipoint phased sequential fuel injection Ignition ...System || Magneti Marelli IAW electronic digital ignition with inductive spark

|Successor || [[Alfa Romeo Twin Spark engine|Alfa Romeo TwinSpark]] ...[[Fiat]] designed [[engine block]], please refer to the [[Alfa Romeo Twin Spark engine]] page.

...base of the plug, a [[spark gap]] inside the cylinder. Early patents for spark plugs included those by [[Nikola Tesla]] (in US patent 609,250 for an ignition timing system], [[1898]]), Richard Simms (GB 24859/1898, 1898), and Robert

...ine cycle. More advanced ECUs found on most modern cars also control the [[ignition timing]], [[Variable Valve Timing]] (VVT), the level of boost maintained by ECUs determine the quantity of fuel, ignition timing and other parameters by monitoring the engine through sensors. These

...ly to start a fire. Though electrical components (such as a fuel pump) can spark and ignite fuel vapors, liquid fuel will not explode (see [[explosive limit ...engine (metering the air going in) rather than engaging the fuel pump. The ignition switch does not carry the power to the fuel pump, instead it activates a [[

...dard fit in North America on "Large [[spark plug|Spark]] [[ignition system|Ignition]]" engines. LSI engines are used in [[forklift]]s, aerial boom lifts, ice r ...stroke engine under the ambient temperature and pressure after charge air ignition, and condenses on the cooler catalytic converter core surface. In particula

; Ignition : individual coils directly mounted on each spark plug

For spark ignition technology the focus is on

# [[power stroke|power (ignition) stroke]] ...e heat and pressure of compression for a [[Diesel cycle]] of [[compression ignition engine]], at approximately the top of the compression stroke. The resulting

# [[power stroke|power (ignition) stroke]] ...e heat and pressure of compression for a [[Diesel cycle]] of [[compression ignition engine]], at approximately the top of the compression stroke. The resulting

...ine chamber as opposed to two for the Wankel. However it also requires six spark plugs, one per combustion chamber, as opposed to one per rotor for the Wank ...design was constructed and turned by an external engine for 40 hours, but ignition was never achieved.

Ignition: 2 integreated Weber Marelli IAW indirect injection-ignition systems

*mechanical [[Magneti-Marelli]] ignition, dual spark plugs and dual fuel pump

...('''BTDC''') although a very few small and fast-burning engines require a spark just '''after top dead centre''' ('''ATDC'''), such as the [[Nissan MA engi ...cided during engine development. These timing marks can be used to set the ignition timing either statically by hand or dynamically using a [[timing light]], b

...eld, a starter clutch shield and a specially-designed housing to cover the spark plug and carburetor, as well as providing heat for the latter. ...]], [[1963]]. However, its rival Tecumseh had made a [[capacitor discharge ignition]] setup since [[1968]], for their [[cast iron]] engine models, expanding it

...e heat and pressure of compression for a [[Diesel cycle]] of [[compression ignition engine]], at approximately the top of the compression stroke. The resulting [[Image:Four stroke cycle spark.png|200px|Fuel ignites]]

...rgy from the expansion. [[Diesel]] engines are [[adiabatic]] and have no [[spark plug]]s and use energy transferred to air charge during compression to dire

[[ignition system|Spark ignition]] [[gasoline]] engines require a [[spark plug]] to ignite the fuel. Diesels rely on the heat of very high compressio ...piston then moves upwards, compressing the mixture which is ignited by a [[spark plug]], driving the piston back down.

| Ignition system | Spark plugs

...tion using an ''[[alternator]]'' driven by the engine. Compression heating ignition systems ([[Diesel engine]]s and [[HCCI]] engines) rely on the heat created ...one or more cylinders (grey and green) and for each cylinder there is a [[spark plug]] (darker-grey), a [[piston]] (yellow) and a [[crank (mechanism)|crank

...ic air), rather than a separate source of ignition [[energy]] (such as a [[spark plug]]), as is the case in the [[gasoline engine]]. ...rising [[piston]] at a much higher [[compression ratio]] than for a spark-ignition engine, up to 25:1. The air temperature reaches 700–900 [[Celsius|°

...with 1.7 L [[Twin Spark]], 1.8 L Twin Spark, and 2.0 L Twin Spark [[petrol engine]]s, the latter two with variable valve timing. The 1.7&nb ...followed by the 1.8 L). The 4-cylinder cars retained the twin spark ignition system but received Alfa-designed 16-valve cylinder heads with belt-driven

...a, but was initially unreliable. Dual spark plugs were used, and the final ignition system used four coils, two on each side of the frame. In 1971 race results were spoilt by a run of gearbox and ignition problems. Phil Read's second to Agostini in the San Remo Grand Prix, and a

...one or more cylinders (grey and green) and for each cylinder there is a [[spark plug]] (darker-grey), a [[piston]] (yellow) and a [[crank (mechanism)|crank ...tion using an ''[[alternator]]'' driven by the engine. Compression heating ignition systems ([[Diesel engine]]s and [[HCCI]] engines) rely on the heat created

...ed, mixture, carburetor balance, spark plug and distributor point gaps and ignition timing were both regular tasks on all engines and the final but essential s

..., but as there is no cylinder head, the bad location of the valves and the spark plug makes them inefficient. ...ngs. On the outlet side it cools the thermically high loaded piston. After ignition the pistons move outwards, performing the power stroke. At first, the outle

[[ignition system|Spark ignition]] gasoline engines require a [[spark plug]] to ignite the fuel. Diesels rely on the heat generated by the very h ...piston then moves upwards, compressing the mixture which is ignited by a [[spark plug]], driving the piston back down.

...ghting - Ignition'') to power the [[starter motor]], the lights and the [[ignition system]] of a vehicle’s [[internal combustion engine|engine]] or a '''[[ ...n]] if the oxy-hydrogen mixture is ignited. Just a slight jolt can cause a spark to jump between the posts, and the gas explodes. Personal injuries can resu

...ne|V8]] that featured [[SPICA]] fuel injection, four ignition coils and 16 spark plugs. The engine used four chain-driven camshafts to operate the valve tra

...sure [[exhaust gas recirculation]] (EGR), and advanced combustion. [[Spark ignition]] technology has focused on de-throttling (in part load where the low effic

...ion of the fuel droplets. Thus they allow increased power at the moment of ignition and the extraction of more useful work from that power by expanding the hot ...ession ignition, so that a fuel which resists autoignition will cause late ignition which will also lead to engine knock.

...tol ([http://ppp.unipv.it/Volta/Pages/eF5struF.html]) in which an electric spark exploded a mixture of [[Earth's atmosphere|air]] and [[hydrogen]], firing a ...station. An experimental higher-pressure version produces self-sustaining ignition through compression alone in the same year.

'''S''' - [[Spark plug]]<br> ...steam engine]]), or heated inside the cylinder either by [[ignition system|ignition]] of a fuel air mixture ([[internal combustion engine]]) or by contact with

...hing as simple as reducing power for landing required the pilot to cut the ignition. "Blipping" the engine on and off gave the characteristic sputtering sound ...tead of all nine of them, when the "coupe switch" was depressed to cut the spark. It is believed that both German and Allied WW I rotaries had this ability

...ine chamber as opposed to two for the Wankel. However it also requires six spark plugs, one per combustion chamber, as opposed to one per rotor for the Wank ...design was constructed and turned by an external engine for 40 hours, but ignition was never achieved.

...l to high boost pressures and are not limited by fuel stability like spark ignition engines. Boost pressures of around seven bar [[gauge pressure]] (101 psi) a

*[[Ignition_system#Electronic_ignition|Electronic ignition]] * increasing spark to the spark plug

*mechanical [[Magneti-Marelli]] ignition, dual spark plugs and dual fuelpump

...a, but was initially unreliable. Dual spark plugs were used, and the final ignition system used four coils, two on each side of the frame. In 1971 race results were spoilt by a run of gearbox and ignition problems. Phil Read's second to Agostini in the San Remo Grand Prix, and a

*[[Spark plug]]s: [[NGK]] *Ignition: Zytek DCDI with coil over plug

...trim, with the latest racing versions producing up to 160bhp. Alfa's twin-spark cylinder head, as also used in the GTA, contributed to the speed of the TZ; ...a state of grace, that its tubular frame, its glass fiber dress, its dual ignition engine, each part of it is above all and only intended for racing, and for

...lance shafts, 4 valves per cylinder, electronic fuel injection, twin spark ignition. In the RSV Tuono, the V990 delivers 92hp @ 9500 rpm and 10.3Nm ftlbf @ 725

...ns]] of unburned [[hydrocarbons]] due to oil aspiration when used on spark-ignition engines.

...OHV with 2 valves per cylinder; Fuel Delivery: Electronic Fuel Injection; Ignition: Digital Electronic; Transmission: 5 speed with shaft; Clutch: 2 dry Disks; ...Ignition: Magneti Marelli IAW electronic digital ignition; with inductive spark Exhaust system: Steel, 2 tubes connected to an; expansion chamber, connecte

...ition cap to classic igniton contact inside flywheel. At the same time the ignition coil was reduced from two to one. Only one carburettor is present for to gi

...lerator]], [[ignition]] using sparks from a [[car battery|battery]], the [[spark plug]], the [[clutch]], the [[gear shift]], and the water [[radiator]]. He ...he world's attention. Key developments included electric [[ignition system|ignition]] and the electric self-starter (both by [[Charles Kettering]], for the [[C

...ach cylinder can have only one [[fuel injector]] and a single plug [[spark ignition]]. Separate starting devices are used to start engines in the pits and on t

...ic efficiency, together with revised settings for the electronic injection/ignition control unit and a knock sensor, boost power output to 185&nbsp;[[horsepowe * Mapped ignition with two double outlet coils;

* First twin-spark engine - 1921 [[Bentley 3 Litre]] * First point ignition - 1910 [[Cadillac Model Thirty]]/[[Delco]]

...Parilla engine) and a micro motorbike to serve as a courier for gear and [[spark plug]]s to assist rapid repairs at the racetrack. ...'''1300''']] with 16 valves, mechanical [[fuel injection]], and electronic ignition; after chassis, engines and flying, now also looking alloy wheels are facts

...our cylinder, double overhead camshafts, four valves per cylinder and twin ignition. However, the onset of [[World War I]] halted automobile production at ALFA |1992&ndash;present ||[[Alfa Romeo Twin Spark engine|TwinSpark]]||1.4, 1.6, 1.7, 1.8, 2.0

...for this is Road-Horsepower ). It is very inefficient to run a large spark-ignition (''i.e.'' gasoline) engine under such a light load. So, in an ICE-ICE hybri