TIL: Knobgear birotary engine

[AV8R_87]

What happens when a piston engine and a rotary engine become friends?



Never heard of the concept of this engine before.
No idea if it will become successful in the aviation market, but the video below is worth a watch:

 

[kkoran]

Interesting. I wonder how the specific fuel consumption compares to existing aircraft engines.

https://www.loc.gov/resource/g3701pm.gct00089/?sp=1&st=grid

 

[Capt. Geoffrey Thorpe]

All the disadvantages of piston and rotary engines wrapped up in one package.

 

[frfly172]

Sounds good ,let’s see if they appear at Sun N Fun