working on swingarm mounts.....both swingarms are Aluminess....purchased from other members here...thanks C7train and Zuma!
The keen observer will note that the swingarm supports are steel, and that they are completely separate from the bumper.
Also, the rear hatch idea probably won't work with the aluminess latch setup. It's highly likely that the hatch will morph to the top of the bumper...like magic.
In case anyone is wondering, powder coating is the last step........there is still some fabricating and welding to do.