Ok, here is the main picture again of what I need two gears for.

mm1.jpg

Now here is a picture of just the tire. I need a gear that will just fit in this tire. curious aardvark already nailed it for a gear to just fit in this tire. After looking at the shaft for this tire in this picture above, I think curious aardvark middle hole might work the way that it is. The smaller hole in the middle would be for the motor shaft.

tiregear.jpg

Now here is a picture of a gear that is the the perfect diameter size for the motor gear. Note the teeth are way to short! That is why it will not work. This one would need a needle size hole in the middle.

motorgear.jpg

curious aardvark, i think you got the tire gear done. Do you plain to work on the next gear for the motor to go with your gear you just made for the tire?

Thanks,
Tony