One speed vs Two speed gearboxes

[Jared]

Originally Posted by Ekcrbe

Good to know. I was actually in the process of working out this math myself, but you beat me to it. I guess I'm not all that surprised that it works out to be so small, but it was the only reason I could come up with other than "it just is." I did expect it to be more like 8-9% of the robot's weight rather than <4%, but kudos for proving it.

And those wheels are just under 2 pounds each.

I expected it to be more, which is why I did the math. I wonder how much the gears/chain/shafts contribute to the rotational inertia.