Too bad the OP is biased against plywood shapes. He is missing out on some boats that meet his every goal of inexpensive, easy to build, easy to launch, easy to handle and high performance. Closer to real eldercare than any other I've seen. https://www.youtube.com/watch?v=C8kUq4BouS0

Retired doctor Frank Smoot brings some fresh ideas into sailing with his boats. Slingshot is a step up in performance. http://www.duckworksmagazine.com/14/...ot16/index.htm