I've played with the numbers a little bit. Based on the shape I am trying to achieve what works out best is a wingspan of 68 inches, root chord of 7.5 and tip chord of 4.5. But after looking at it, I think it would be difficult to build such a wing both light and strong. Not to mention it would be difficult to turn since I don't plan on using ailerons.
So I am thinking about a wingspan of 58 inches, root chord of 9 and tip chord of 5. That gives me 406 square inches. If I can keep the model under 45oz including the camera, i can keep my wing loading under 16oz/sqin so it should fly like a trainer.
Anyone see any problems with this idea?
How light do you think I could build such a wing?
What would be the difference between this wing and a 58 inch wing with a constant cord of 7?
What if any dihedral or polyhedral should i build into it?