Today was pretty productive... although I was definitely ready for the weekend by 3pm! The molding of the wings continue. Shaping actually became much easier. I could generally get a good shape in a single heating. Instead of using the clay, I ended up just using a previously formed PVC wing to hold the top of the shape to the mold as it cooled. Definitely worked a lot better although I see a lot of sanding and grinding in my future to smooth everything out. The pictures below show all 18! I actually had to make a bigger, 6" oven for the bigger pipe. Those are the two REALLY longs ones you see in the stack (far left picture). Both ovens (4" and 6" are pictured on the far right)
Next step is to trim off all the unwanted PVC bits from the wings and then some how mount two halves together to make a full blade.... here's hopin'!