That series was a great trainer, easy to build and durable. Which version are you looking for? I have the actual plans for the "H" (high wing) and "S" (shoulder wing) and a hand drawn transfer for parts of the "L" (low wing) style. I wore the low wing set out and had to draw the parts to have them for the future, I've built four or five of them over the years. I may be able to have them scanned to scale and saved to disk. If you're interested and willing to cover the cost I can find out what it would take to have it done.