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Old 11-19-2021, 12:32 AM
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arizonian arizonian is offline
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Quote:
Originally Posted by Ironman View Post
No, I was referring to the total OD diameter.
OD = (N +2) * module, so (51+2) * 2 = 106 mm.

106/25.4 = 4.1732, carrying 4 decimal places. Almost exactly what you have.

A DP of 12:

OD = (N +2) / DP = 53/12 = 4.4167 inches, so clearly you are in modules (metric).

There is no metric equivalent for degrees, a degree is a degree (that I know of). PA is PA.
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Last edited by arizonian; 11-19-2021 at 12:37 AM.
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