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1. 3-cylinder in-line engine
Today, 3-cylinder in-line engines are widely used by carmakers for their low and mid-range ranges. This type of engine is attractive for its mass, compactness, fuel consumption and cost. It also has a number of disadvantages, particularly in terms of acoustics, due to its genetically more pronounced acyclism than that of the 4-cylinder engine.
1.1 3-cylinder engine crankshaft
The crankshaft of the 3-cylinder engine is quite conventional. The crankpins are offset by 2π/3, as shown in figure 1 .
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3-cylinder in-line engine
3 and 4-cylinder comparison
Bibliography
Standards and norms
- Reciprocating internal combustion engines – Designation of the direction of rotation and of cylinders and valves in cylinder heads, and definition of right- and left-hand in-line engines and locations on an engine. - NF ISO 1204 - 1999
- Reciprocating internal combustion engines – Performance – Part 3: test measurements. - NF ISO 3046-3 - 2006
- Reciprocating internal combustion engines – Performance – Part...
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Dynamic analysis and acyclism
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