I got the basic 'secondary' hull fleshed in tonight. As usual the saucer is a revolve. The seconday hull side walls are again birailed and the upper and lower surfaces are planar trims for now. I'll convert them to regular patches later. I maintained tangency at the connection on the side (between the saucer and secondary hull) by using a curve derived from the saucer instead of picking my own point.

I can see more problems with these blueprints now. The back end is too wide, and too long. Plus the saucer rim is too thick underneigth (radially at the edge) and the profile for the underside is too much like the connie. Again way too many connie elements.

Here's the latest pics. Well more work days ahead so progress will slow down through the week..