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 ...

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 ...

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 ...

Specifically, Mazda has reinvented the concept of variable valve timing for a rotary range extender, although the way in which it's been done is what's most remarkable, and confusing.

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 ...