LOL, it's still a typo. The hands got confused. You could get away with the Thumper with a High gear ratio, you'd still have to wait, just not as long. I don't think the parents would like a set of 4.10's.... or would they, Hummmmmmmmmmm
The small ring gear scares me.
crackedback, please, think nothing of it. No apollogies needed.