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V12


 

A V12 is an internal combustion engine with 12 cylinders in V configuration. Like a straight-6, this configuration has perfect primary and secondary balance no matter which V angle is used and therefore needs no balance shafts.

Related Topics:
Internal combustion engine - Cylinder - V - Configuration - Straight-6 - Balance shaft

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A V12, with two banks of six cylinders angled at 60° from each other, has even firing with power pulses delivered twice as often per revolution as, and is much smoother than, a straight-6. This allows for great refinement in a luxury car; in a racing car, the rotating parts can be made much lighter and thus more responsive, since there is no need to use counterweights on the crankshaft as is needed in a 90° V8 and less need for the inertial mass in a flywheel to smooth out the power delivery. In a large, heavy-duty engine, a V12 can run slower than smaller engines, prolonging engine life.

Related Topics:
Straight-6 - Flywheel

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~ Table of Content ~

Introduction
Aviation
V12 road cars
Heavy trucks
Auto racing
Large diesel engines
External links

 

 

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