Stony..
From what i've read ,some guys are " laying in" a piece of thin ply for that tailwheel brkt to sit on..it didnt seem necessary to me, i put the four pilot holes through ,put a couple of drops of CA in each, then, when dry, fixed the assy on...solid as a rock..if it starts to look" iffy" after a bit of use then the ply option is available...Dave.