Isotta Fraschini Asso XI
The Asso XI was a family of water-cooled, supercharged V12 piston aeroengines produced in the 1930s by Italian manufacturer Isotta Fraschini, and fitted to a number of aircraft types built by CANT, Caproni and others. == Design and development == Isotta Fraschini produced a long series of engines with the name Asso (Ace in English).