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I found R & M 2251 which was referenced in Algernon's post. It has a lift vs AoA curve on the last page. I'd suggest reading the whole report as it discusses the limitations of the models and wind tunnels that were used.It's a pity that it lacks of diagram of lift as a function of angle of attack. Indeed, there's the partial derivative of Cz as a function of alpha, but too much time has passed from when I performed an integral last time!
Thanks, I apologize for my english...I have no idea what you said but I liked the way you said it. Welcome to the Forum.
I'm doing my best! thanks againNo, you misunderstood me. Your English is perfect. My grasp of the technical, not so much.
Your English is better than mine.