I am liking the new rudder! it has a much lower aspect ratio so it works great in shallow water. It is 3/8ths inch polyethylene so it is strong. It is a flat plate so I might have someone make one out of 1 inch polyethylene in a NACA 10 profile someday. In the mean time it is OK! Can't wait to try it in the surf!
Here is a close up:
Here is a picture on the Neuse River:
Here's the kind of happiness that occurs when rudders work like they should: