Originally Posted by tdu verney
I was testing gear ratio's Saturday. 30/100 What are the effects of changing a spur gear? If I reduce total teeth or add teeth?
Go to www.gearchart.com
and see what changes it makes, pretty easy, plug in your values, click the "Gear Ratio" button, then change the spur gear size and click "Gear Ratio" again, mess with the spur gear some more, just keep clicking "Gear Ratio" after each change.