Of course - good point Mitch.

I actually have been using foam safe on the wing prep build. It's funny stuff. I hadn't used it before. It indeed doesn't smell nor fume but aside from that it isn't quite like regular CA either. The catalytic moisture effect is much slower which actually is helpful in positioning the sheeting pieces and holding them until they dry.

Re the fin, yes, I believe that Jim never considered using film on the plane - he always glassed the whole thing and then painted so a notch was probably not a high design priority.

David.