RE: What are you guys flying with the Ryobi 31cc.
Hi! I am flying a Ryan's Rebel with a 31cc Ryobi, 18 x 6W APC prop and CH ignition, getting 8300 rpm's and can do just about everything you can think about (I am not good at Hovering but I am practicing) I fly at sea level; I use 87 octane fuel and mobil's MX2T oil at a 50:1 ratio, and having a ball with it, Here's a picture ob it when it had regular ignition.
Aero Nut.