marking spinner hole.
Time for question again. Input will be appreciated as always.
I could not find way to mark on spinner to make precise hole for screw on back plate ( the one goes in front has only 4 nuts plate.??)
My spinner is gel coted already, so light wont work.
Any idea. I cant afford to make several hole than I need.
Builder # 120706
N316AM Hopefully flying by July 2018