I have a BME 50 on a 29% Areoworks Edge 540. Have 100 flights on it. Started with a 22/10 Mejlik as recommended. Then I went to a 22/8 Mejlik for more power and less speed. This set-up seems to work good for me but I am not an expert flyer but am working on it. What are those of you with this plane and engine using??-Thansk-Jerry