pic: New gearbox CAD

Originally Posted by sanddrag

I'd bet you could get another pound out of it in those gears if you wanted to, but overall, nice work.

No, actually. The gears are heavily "dished" out on the other side, in order to keep those components to a single lathe process. There's practically no weight I can save by removing materials, only adding material.

Originally Posted by Hachiban VIII

What is the advantage over the toughbox?

I like the CIM mounts. That's a very compact way to do it.

The advantage it has over the toughbox is custom ratio, massively lighter, more stylish, more precise, and better bragging rights.

Originally Posted by AdamHeard

I guess It would be the weight savings.

I'm not really a fan of the same 4 bolts holding the gearbox together, the motors on and the gearbox to whatever structure it is mounted to. No matter what, that is going to make assembly and mounting a much bigger pain that it needs to be. I'll agree it cuts down on parts and weight, but I don't think it's worth it.

It would be a bit of a pain to assemble. However, depending on what kind of drive system that it would mate to, two of the mounting bolts may be countersunk. That would aid a bit in assembly.