I created an ultra light inner pan using diamond plate sheet alum - all sharp edges lined with small hose/tubing, pan overlapped to frame to bolt in at six places, and two more in tail piece then sealed with 30 yr exterior silicone, all painted black - note - all 3 frame pieces welded together for rigidity, tail delete - my "S" style tail is much lighter and more compact wiring and battery was needed for the space I had built - smaller than stock.