Richard,

1. Yes
2. Yes
3. Yes, I have included photos of the blocks and pads that I use. All should be available at your automotive paint store.
4.Yes
5.Yes
6. Yes, A smooth surface is what you are shooting for. The reason I apply two medium coats of primer is to avoid excessive build up (ie-extra weight). The idea is to sand as much primeroff as possible without breaking through the primer.
7. Yes

Check post # 208. Photos were added at 3:00 PM eastern time Sunday. 3 Shots of the right wing frame, and 2 shots of the left wing frame on the bench.