[EricH]

Originally Posted by Oblarg

You'd be surprised.

It's very easy to overlook maintainability when designing things, especially if you're a high school student. I know that I sure struggled with it back when I was a student on 449.

I'm well aware that not all drivetrains are built that way. But for the sake of argument, I was making that assumption. You don't operate in a frictionless vacuum when practicing physics, do you? Thought not.