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  2. Piston ring - Wikipedia

    en.wikipedia.org/wiki/Piston_ring

    Two piston rings mounted on a two-stroke engine piston. The ring gap for the bottom ring is visible in the centre of the image. A piston ring is a metallic split ring that is attached to the outer diameter of a piston in an internal combustion engine or steam engine. The main functions of piston rings in engines are:

  3. Engine configuration - Wikipedia

    en.wikipedia.org/wiki/Engine_configuration

    1919 Napier Lion II aircraft engine with three cylinder banks. Any design of motor/engine,be it a V or a boxer can be called an "in-line" if it's mounted in-line with the frame/chassis and in-line with the direction of travel of the vehicle.When the motor/engine is across the frame/chassis this is called a TRANSVERSE motor.Cylinder arrangement is not in the description of how the motor/engine ...

  4. Piston - Wikipedia

    en.wikipedia.org/wiki/Piston

    A slipper piston is a piston for a petrol engine that has been reduced in size and weight as much as possible. In the extreme case, they are reduced to the piston crown, support for the piston rings, and just enough of the piston skirt remaining to leave two lands so as to stop the piston rocking in the bore.

  5. Engine balance - Wikipedia

    en.wikipedia.org/wiki/Engine_balance

    60° V angle: This design results in a compact engine size, and the short crankshaft length reduces the torsional vibrations. Rotating plane imbalances. The staggering of the left and right cylinder banks (due to the thickness of the connecting rod and the crank web) makes the reciprocating plane imbalance more difficult to be reduced using ...

  6. Ring size - Wikipedia

    en.wikipedia.org/wiki/Ring_size

    Ring sizes can be measured physically by a paper, plastic, or metal ring sizer (as a gauge) or by measuring the inner diameter of a ring that already fits. Ring sticks are tools used to measure the inner size of a ring, and are typically made from plastic, delrin, wood, aluminium, or of multiple materials. Digital ring sticks can be used for ...

  7. Category:Piston engine configurations - Wikipedia

    en.wikipedia.org/wiki/Category:Piston_engine...

    Pages in category "Piston engine configurations" The following 51 pages are in this category, out of 51 total. This list may not reflect recent changes. A.

  8. Talk:Piston ring - Wikipedia

    en.wikipedia.org/wiki/Talk:Piston_ring

    The lower oil control ring is designed to leave a film of lubricating oil a few micrometres thick on the bore, as the piston descends. Three piece oil ring, i.e. with two rails and one spacer, is used for gasoline engines. Text from the section "Wear due to piston side-load" Piston rings are subject to wear as they move up and down the cylinder ...

  9. Obturator ring - Wikipedia

    en.wikipedia.org/wiki/Obturator_ring

    Obturator ring being removed from a 100 hp Gnome Monosoupape rotary engine. An obturator ring was a type of piston ring used in the early rotary engines of some World War I fighter aircraft for improved sealing in the presence of cylinder distortion.