3 and 4-cylinder comparison
Instantaneous angular speed fluctuations of thermal engines - Focus on 3-cylinder engine and comparison with 4-cylinder engine

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3 and 4-cylinder comparison


Instantaneous angular speed fluctuations of thermal engines - Focus on 3-cylinder engine and comparison with 4-cylinder engine

Authors : Elian BARON, Jean-Louis LIGIER

Publication date: April 10, 2020 | Lire en français

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2. 3 and 4-cylinder comparison

Today, the 4-cylinder engine is the most widespread. In recent years, however, demand for a new generation of economical engines has grown. So it seemed natural to think of the 3-cylinder engine, especially as it can be derived directly from a 4-cylinder already in the range. We're going to compare these two types of engine, limiting ourselves of course to the aspects directly linked to acycling, the heart of this article's subject.

2.1 Instantaneous torque comparison

Figure 15 shows instantaneous torque comparisons for 3 and 4-cylinder engines at two specific speeds: 2,000 rpm -1 and 5,600 rpm -1...

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