A Formula to Calculate Base Shim Thickness When Adjusting CR by Adding a Cylinder Base Shim

A Formula to Calculate Base Shim Thickness When Adjusting CR by Adding a Cylinder Base Shim

It is often desirable to lower compression ratio by elevating the cylinder base with a shim plate. A formula to calculate the required thickness of the shim is given below:

h/s = (CR1 - CR2)/((CR1 - 1)(CR2 - 1))

h = thickness of shim
s = stroke...
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