4.4.3 Piston stroke
Piston stroke. This is the distance, which the piston travels from TDC to BDC. It is also equal to twice the radius of the crank.
Note
Usually, when describing the technical characteristics of the engine, the cylinder diameter and the piston stroke are recorded together, using the "x" symbol, for example, 95˟85 mm. In case if the piston stroke exceeds the cylinder diameter, the engine is called long-stroke, if on the contrary – it is called short-stroke.
Figure 4.4 Piston stroke.
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