John Roncz designed the RV9 wing and it's a good one. I think of him about every 10th flight but every time I practice stalls. what a beautiful wing. when you are designated an "Old Master" by Purdue University, you are a legend.
Steve Melton
N531EM, RV9A, Superior O-320, WW 200RV prop, Slick mags, CHT 330F, EGT 1300F, B&C, 1300+ hours
Freedom and Democracy are all that really matter.
Ride a bike, unlock the world. https://www.rvplasticparts.com/ https://www.gpsdock1.com/