pic: Vex Face Bearing Gusset Gearbox

[GeeTwo]

Originally Posted by Ari423

It looks like the two pieces VersaFrame still need to be precision machined for the gears to mesh well. Am I wrong? If not, how is this any different from any other custom gearbox?

EDIT: How are the CIMs attached to the top piece of VersaFrame? There are holes through the gusset plates, but I don't see anything through the VF itself. Is the plan just to mount the CIMs to the gussets?

EDIT 2: Is there any reason why the first reduction has to also sum to 84 teeth, or can that be any gear ratio provided you use the right C2C distance?

There is no "top piece of VersaFrame" - the assembly above the single tube of VF is apparently composed of Bearing Gussets riveted together.