Sprockets

July 14, 2014

Coming up: How to tell the chain pitch by measuring the sprocket. Hint: the diameter at the tooth tops is not important.

Chain Pitch equals Pitch Diameter times Pi divided by the number of teeth.

Measuring the Pitch Diameter is difficult, especially with odd numbered and low numbered tooth counts.

Locating two pin centers, 180 degrees apart, and measuring the distance between, is the problem.

You have to know the roller diameter to locate the pin center. Something like a chopstick is needed…

Under construction …