So I finally got a good chance to work on the bulkheads. Got them cut down and the first set of arms mounted. Fairly easy once I got everything setup. Decided to leave the center skid plate screw hole and notch the arms around it. No arm braces yet for it. Also made a coupler from nylon to mount the upper arms as well. A little bulky, but came out stronger than I expected. Pretty happy so far.
IDK if this is a final solution, but something to get it working for now. I can make it pretty later.