Multi-cylinder Combustion Engine
Multi-cylinder engines have first of all a better distribution of the cubic capacity and a steadier engine run. The cylinders and with it particularly the pistons become smaller. Moreover, the mean piston speed decreases due to the decrease in stroke per single cylinder. This allows a higher rev level and thus more performance. There is a standard how the cylinders should be counted. The first cylinder should always lie opposite to the power delivery (exceptionally the French motor-producers). In case of V-or opposed cylinder engines it is fixed as - looking from the force delivery side - the cylinder to the right. You always first complete counting a whole row and subsequently continue counting the next row. While this scheme is kept largely by the manufacturers of in-line engines, only a few manufacturers of opposed cylinder engines stick to this standard. However, there are substantially more in line than opposed cylinder engines.
Opposed cylinder engine
Radial engine (out of date)
Rotary radial engine (out of date)
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