While I have been waiting for Devs frame to come back from glass bead and Dans frame from the paint shop, I've spent some time on Major Daves frame.  Here is the rear bb lug.  Clean, simple, and purposeful.  By the way, he won his class at short track this week.  Way to go!  I just ordered drills, taps, end mills, etc. to fab the attachment pieces for Devs battery mount and am off to the paint shop for his paint supplies.