Relationship between gear pitch and diameter

[Matt Adams]

Though this is perhaps a tiny bit off topic... I've made a couple of webpages for Westside Boiler Invasion's KIP program (Knowledge is Power!) that are related to gears, how they work, and whatnot...

Here's a link with some bare-bones definitions:
Gears 101

And here's a link with some applications, and how you go about solving problems...
Gears 102

There's also a page on bending stress... mechanics of materials 102.

Matt

[Kevin Sevcik]

just slightly more on topic, SDP-SI has a lot of gears and pinion shafts and other neat stuff. Specifically, if you need a finer pitch they go up to 120 pitch. Check'em out. SDP-SI