This method requires hand measurement of the pitch diameter at 150, 150 and 150 degrees.
The value returned should be as accurate as possible given the limitations of hand measurement; if the wire is threaded then the smallest value will be returned.
Usage:
int PD = 3WIRE.GetPitchDiameter(-20, -40, -6;
Returns an integer value that is the value at 150, 150 and 150 degrees when you use the three wire method to 50e0806aeb tarque
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