[Tottanka]

Originally Posted by Chris is me

If you didn't add the center distance, and you're using aluminum gears, one trick is to run the gearbox on a bench for about an hour or so, ungreased, changing direction frequently. This will wear down the parts somewhat, to sort of "break in" the gears. Once this is done, clean the gearbox out thoroughly, heavily grease it, and you're good to go.

The .003 center adder trick is a way around doing this, at the cost of a bit more backlash in your system.

Have you done this before? The 1 hour of running part i mean. It sounds like the wear might be too much. What speeds would you run the gear at for that?

Thanks!