RE: What size Robart Hinge for GP Extra .60
My guess is the 1/8" ones. The flying surfaces on that plane are probanly no more than 1/4" anyway. I too want to try some Robart hinges on the plane I am building. I am going to use Gorilla Glue to install them. I'm going to use thw 1/8" myself.
Mark Shuman