Monday, June 1, 2020

Bottom end arrangement of a vee-type engine.

The bottom end of a vee engine can be one of the following types:
    •    side by side
    •    Articulated (master and slave)
    •    forked
The side by side means that the opposite cylinder banks are offset by the width of the bottom end bearing. It means a slightly longer engine, with corresponding longer crankpin journals. However access is not restrictive, and spares are the same for both sides.
With the articulated or forked arrangement, the cylinders are diametrically opposite. This gives the shortest possible engine, but access into the crankcase can be awkward, and because the con rods and bearings are different for both banks of cylinders, then this leads to increased costs because of the extra spares required.

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