Heather,
I am very glad you got everything working again. In your video you asked about the opening in station #3 for leg clearance. Well I got in touch with the friend who now has my frame and got him to measure the size of the opening. What I made was 6 7/8 tall and 14 3/4 wide. These were measured at the highest and widest points of the opening. Post pictures when you get things put together.

Right now I am building a Chuckanut 15. That is a Dave Gentry design rec. kayak for single or double use. I am going to use your paint scheme if you don't mind. I like the white hull and yellow deck that you have used on your Sea Flea. I skinned the kayak yesterday and started the painting. Hope to have it finished soon.
Good luck with the rest of your build.
Clayton