Let The Build Begin!

[Lil Giants]

Will that be a set screw with a long rod that will reach through into the other side of the hub for support on both sides of the motor shaft?

Something else while looking at your CAD from the vertical view... is your hub/wheel flush to the face of the gear head, as in a flat solid wall of material?

The reason why I ask is that there should be some recess area so dirt/sand is free to fall out of the inner wheel, and not cause any unnecessary wear or binding. I hope that makes sense.

[ihbuilder]

seeing that your using a bushing you want to avoid any dirt/dust getting in between the hub and bushing that could cause premature ware or binding . You prob. be OK with what Joe is saying depending how and where you will use it . for me , I would at least have some kind of seal or use a sealed stainless steel bearing with a space between for dirt/dust to fall through . OTOH , your doing a great job yes , cad is a great tool