See-through rotary in operation
 

Interesting vid (ignore the first minute or two of blah blah)


He's running nitro which you usually run rich anyway. Hence the splish splash at the rear of each chamber.

Latest update

This was an earlier thread and post. Thanks for this update

Very cool.

...and very loud as well.

Every time the guy talks, I have to turn the volume back up because how quiet he is compared to the engine.

Very cool! I think we will see a comeback with rotary engines acting as range extenders in some cars.