Posted by Bill S. on October 04, 2002 at 23:27:27:
In Reply to: sunderland formulas posted by diecrest on October 01, 2002 at 09:29:41:
You can calculate the module equivalent from either NDP or Circular Pitch (C.P.):
Module = 25.4 / NDP
Module = 25.4 x C.P. / pi
where pi is the constant 3.141592654...
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