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  2. Firearm malfunction - Wikipedia

    en.wikipedia.org/wiki/Firearm_malfunction

    A dud (also a misfire or failure to fire) occurs when the trigger is pulled but the primer or powder in the cartridge malfunctions, causing the firearm not to discharge. Dud rounds can still be dangerous and should be deactivated and disposed of properly. [citation needed]

  3. Firing order - Wikipedia

    en.wikipedia.org/wiki/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 the order in which fuel is injected into each cylinder.

  4. Engine knocking - Wikipedia

    en.wikipedia.org/wiki/Engine_knocking

    Engine knocking. In spark-ignition internal combustion engines, knocking (also knock, detonation, spark knock, pinging or pinking) occurs when combustion of some of the air/fuel mixture in the cylinder does not result from propagation of the flame front ignited by the spark plug, but when one or more pockets of air/fuel mixture explode outside ...

  5. Pre-ignition - Wikipedia

    en.wikipedia.org/wiki/Pre-ignition

    Pre-ignition (or preignition) in a spark-ignition engine is a technically different phenomenon from engine knocking, and describes the event wherein the air/fuel mixture in the cylinder ignites before the spark plug fires. Pre-ignition is initiated by an ignition source other than the spark, such as hot spots in the combustion chamber, a spark ...

  6. Toyota S engine - Wikipedia

    en.wikipedia.org/wiki/Toyota_S_engine

    The Toyota S Series engines are a family of straight-four petrol (or CNG) engines with displacements between 1.8 and 2.2 litres, produced by Toyota Motor Corporation from January 1980 to August 2007. The S series has cast iron engine blocks and aluminium cylinder heads. This engine was designed around the new LASRE technology for lighter weight ...

  7. Blue Origin is investigating why a rocket engine exploded ...

    www.engadget.com/blue-origin-is-investigating...

    Jeff Bezos' Blue Origin is still running into technical problems. The company has confirmed that a BE-4 engine exploded roughly 10 seconds into a firing test in Texas on June 30th. No one was hurt ...

  8. List of motorcycles by type of engine - Wikipedia

    en.wikipedia.org/wiki/List_of_motorcycles_by...

    Harley-Davidson Baja 100. Harley-Davidson MT350E. Honda CB125. Honda CBR250R/CBR300R. Honda CRF series. Honda Dream Yuga. Honda Grom. Honda NF110i/125i. Honda Rebel 300 (Single cylinder, after model change in 2020 [ 3])

  9. Jaguar AJ6 engine - Wikipedia

    en.wikipedia.org/wiki/Jaguar_AJ6_engine

    DOHC 4 valves x cyl. The AJ6 ( Advanced Jaguar 6-cylinder ), and the similar AJ16, are inline-6 piston engines used by Jaguar cars in the 1980s and 1990s. The AJ6 was designed to replace the successful and long-used Jaguar XK6 engine, and was introduced in 1984. It was only the third all-new engine ever designed by the company.