[team222badbrad]

Yes the shaft and gears are steel on steel. Both of which I think are heat treated. We also used some kind of spray on lubricant that sticks to the gears.

If you look on the other pictures there are shifting stops to keep it from shifting too far.

Since this is our first year ever building a tranny we went overboard. The production could be simplified greatly. There are lots of different things we could modify such as the side plates and the whole shifting mechanism could be redesigned!

Once I finish the inventor award (due 3/15) I hope to find time to make a white paper and redesign it!

thanks for the comments