Smokey Yunick designed a rotary valve engine 60 years ago. One of the smartest engine builder – designers ever. Report comment. Reply. Doug says: February 24, 2022 at 5:03 pm ...

Join me in my latest adventure as I attempt once more to fire up the innovative rotary valve engine! If you're just tuning in ...

So far, the rotary valve engines have really only made waves in the model aircraft industry, a market that RCV is very active in, but PGO believes the engines in the 125-150cc range could power ...

If the Avadi valve works as a parameter to predict that, there seems to be reason for hope. The previous one suffered from high temperatures and sealing issues (as the most popular rotary engines ...