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  2. Firing order - Wikipedia

    en.wikipedia.org/wiki/Firing_order

    For this inline-4 engine, 1-3-4-2 could be a valid firing order. The firing order of an internal combustion engine is the sequence of ignition for the cylinders. In a spark ignition (e.g. gasoline/petrol) engine, the firing order corresponds to the order in which the spark plugs are operated. In a diesel engine, the firing order corresponds to ...

  3. Straight-five engine - Wikipedia

    en.wikipedia.org/wiki/Straight-five_engine

    Amongst four-stroke engines, an advantage of engines with five or more cylinders is that the power strokes are overlapping if the engine has an even firing order. [ 1 ] A disadvantage of the odd number of cylinders in a straight-five engine is it results in imperfect primary and secondary engine balance , unlike a straight-six engine which has ...

  4. Napier Deltic - Wikipedia

    en.wikipedia.org/wiki/Napier_Deltic

    Animated diagram of Deltic engine Cylinder firing order of the 18 cylinder Napier Deltic diesel engine: The grid represents triangular cylinder arrangement (banks A, B, C) and rows 1 to 6 The Napier Deltic engine is a British opposed-piston valveless , supercharged uniflow scavenged , two-stroke diesel engine used in marine and locomotive ...

  5. Straight-eight engine - Wikipedia

    en.wikipedia.org/wiki/Straight-eight_engine

    Delage straight-eight racing engine Straight-eight engine with firing order 1-4-7-3-8-5-2-6. The straight-eight engine or inline-eight engine (often abbreviated as I8) is an eight-cylinder internal combustion engine with all eight cylinders mounted in a straight line along the crankcase.

  6. Big-bang firing order - Wikipedia

    en.wikipedia.org/wiki/Big-bang_firing_order

    A "twingle" is a four-stroke twin-cylinder engine with an altered firing order designed to give power pulses similar to a single-cylinder four-stroke engine. Inline twins with a 360° crankpin offset or flat-twins can be easily converted into twingles by firing both of the cylinders at the same time and installing a camshaft or camshafts that ...

  7. Straight-six engine - Wikipedia

    en.wikipedia.org/wiki/Straight-six_engine

    Typical firing order of 1-5-3-6-2-4 3890-litre MAN B&W 6S60MC marine diesel engine If an appropriate firing order is used, a straight-six engine has perfect primary and secondary engine balance . The primary balance is due to the front and rear trio of cylinders moving in pairs (albeit 360° out of phase), thus canceling out the rocking motion ...

  8. Flat-four engine - Wikipedia

    en.wikipedia.org/wiki/Flat-four_engine

    The typical firing order for a boxer-four engine is for the left bank of cylinders to ignite one after another, followed by the right bank of cylinders (or vice versa), with the firing interval evenly spaced at 180 degrees. Traditionally, the exhausts from the two cylinders on each bank were merged, with the resulting uneven exhaust pulses ...

  9. VR6 engine - Wikipedia

    en.wikipedia.org/wiki/VR6_engine

    The V angle between the cylinder banks is 15°, and the compression ratio is 10:1. [3] The crankshaft runs in seven main bearings and the journals are offset 22° to one another, in order to accommodate the offset cylinder placement. [4] This also allows the use of a 120° firing interval between cylinders. [5] The firing order is: 1, 5, 3, 6 ...