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  2. 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 ...

  3. Engine balance - Wikipedia

    en.wikipedia.org/wiki/Engine_balance

    V-twin engines have the following characteristics: With a V angle of 90 degrees and offset crank pins, a V-twin engine can have perfect primary balance. If a shared crank pin is used (such as in a Ducati V-twin engine), the 360° crankshaft results in an uneven firing interval.

  4. Garrett TFE731 - Wikipedia

    en.wikipedia.org/wiki/Garrett_TFE731

    The Garrett TFE731 (now Honeywell TFE731) is a family of geared turbofan engines commonly used on business jet aircraft. Garrett AiResearch originally designed and built the engine, which due to mergers was later produced by AlliedSignal and now Honeywell Aerospace.

  5. Straight-twin engine - Wikipedia

    en.wikipedia.org/wiki/Straight-twin_engine

    A straight-twin engine, also known as an inline-twin, vertical-twin, inline-2, or parallel-twin, is a two-cylinder piston engine whose cylinders are arranged in a line along a common crankshaft. Straight-twin engines are primarily used in motorcycles; other uses include automobiles, marine vessels, snowmobiles, jet skis , all-terrain vehicles ...

  6. Split-single engine - Wikipedia

    en.wikipedia.org/wiki/Split-single_engine

    Split-single engine used by the DBS Valveless car from 1908 to 1915. The first picture shows the moment of firing. In internal combustion engines, a split-single design is a type of two-stroke where two cylinders share a single combustion chamber.

  7. 2si 460 - Wikipedia

    en.wikipedia.org/wiki/2si_460

    The 2si 460 is a family of in-line twin-cylinder, two-stroke, single ignition, aircraft engines that were designed for ultralight aircraft. [1]The basic engine was originally designed and produced by ILO-Motorenwerke of Germany and was later acquired by the AMW Cuyuna Engine Company of Beaufort, South Carolina and marketed under the Cuyuna brand name.

  8. Harley-Davidson Milwaukee-Eight engine - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_Milwaukee...

    The Harley-Davidson Milwaukee-Eight engine is the ninth generation of "big twin" engines developed by the company, but only Harley's fourth all-new Big Twin in 80 years, first introduced in 2016. These engines differ from the traditional Harley Big Twin engines in that there are four valves per cylinder, totaling eight valves, hence the name.

  9. Pratt & Whitney R-2180-A Twin Hornet - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_R-2180-A...

    The Pratt & Whitney R-2180-A Twin Hornet was a radial engine developed in the United States by Pratt & Whitney. It had two rows of seven cylinders each. It had two rows of seven cylinders each. Applications