I have a rough prototype. It came out about 11 oz though a bit heavy for my tastes and can be made lighter. Tail cone piece will need to be vacuum formed. That will save a lot and the fins made from plywood. The resin is a bit heavier. Nose cone is OK but could be made lighter but the model needs nose weight to be stable as it is. But it should fly on a E12-6. We will find out next weekend.