Engine balance

The mechanical balance of a piston engine is one of the key considerations in choosing an engine configuration. Engine balance - Primary and secondary balance. Historically, engine designers have spoken of primary balance and secondary balance. These terms generally refer to the order in which the problems of engine balance were addressed as piston engines developed. Because of this they also to some degree reflect the importance of these aspects of balance, but not ab ...

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Engine balance, Engine balance - Inherent mechanical balance, Engine balance - Primary and secondary balance, Engine balance - Single cylinder engines, Engine balance - Two cylinder engines, Engine balance - More than two cylinders, Engine balance - Steam engines, Engine balance - Component balancing, Engine balance - Blueprinting, Engine balance - Carburetor balance

Read more here: » Engine balance: Encyclopedia II - Engine balance - Inherent mechanical balance

For meanings of the word balance, see: Sense of balance (equilibrium), which maintains physical balance in humans and animals Balance (public media coverage of politics) Weighing scale Balance beam, gymnastics apparatus Biological balance (Homeostasis) within a human or other animal's body Balance (metaphysics), a desirable point between opposite forces BALANCE Act {H.R. 1066}, Benefit Authors without Limiting Advancement or Net Consumer Expectations Balance ( ...

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Balance shafts are most common in inline four cylinder (straight-4) engines which, due to the asymmetry of their design, have an inherent second order vibration (vibrating at twice the engine RPM) which, contrary to popular belief, cannot be eliminated no matter how well the internal components are balanced. This vibration is generated because the movement of the connecting rods in an inline engine is not symmetrical throughout the crankshaft rotation; thus during a given period of crankshaft rotation, the descending pistons and ascending pi ...

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Balance shaft, Balance shaft - Four cylinder applications, Balance shaft - Six cylinder applications, Balance shaft - Production implementations

Read more here: » Balance shaft: Encyclopedia II - Balance shaft - Four cylinder applications

Other manufacturers producing engines with one or two balance shafts include(d): Porsche 2.4 litre General Motors Quad 4 and Ecotec General Motors Atlas four- and five-cylinder engines (two balance shafts) General Motors Vortec 4300 V-6 (single balance shaft) Chrysler 2.4 L and 2.5 L Neon engine Ford Modular V10 Ford Taunus V4 Honda 2.2 L four cylinder engine Saab H engine BMW 1200GS motorcycle as well as numerous motorcycle engines, particularly ...

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Balance shaft, Balance shaft - Four cylinder applications, Balance shaft - Six cylinder applications, Balance shaft - Production implementations

Read more here: » Balance shaft: Encyclopedia II - Balance shaft - Production implementations

In order to achieve the inherent balance of any engine configuration, the balancing masses must be matched. In most engines, some individual components are matched as a set. Exactly which components are matched is part of the design of the engine. For example, pistons are often matched, and must be replaced as a set to preserve the engine balance. Less commonly, a piston may be matched to its connecting rod, the two being machined a ...

See also:

Engine balance, Engine balance - Inherent mechanical balance, Engine balance - Primary and secondary balance, Engine balance - Single cylinder engines, Engine balance - Two cylinder engines, Engine balance - More than two cylinders, Engine balance - Steam engines, Engine balance - Component balancing, Engine balance - Blueprinting, Engine balance - Carburetor balance

Read more here: » Engine balance: Encyclopedia II - Engine balance - Component balancing