Ta Da!!

  I put willie back together this morning. His arm wen't just fine. I printed one of the adjustable (rotatable), square potentiometer holders and used it. That had it's own issues of course, (freaking itty bitty screws), but after having replaced the shoulder drive gear and reinforced it with washers and epoxy to keep them from wanting to pull through the thin material of the cylinder and a few other minor non-standard modifications his right arm is hanging properly now and seems to be working well also.