Hirtenberger .61 with a sliding piston carburetor
I have been given this engine. It has a very unique carburetor in that it uses a sliding piston to control the air fuel mixture. I am interested to know if anyone has used this engine, how it performs and how fussy it is. The carburetor alone is quite unique and it would be fun to fly! Any information is appreciated. Hopefully the photos were loaded. Thanks for your input