Societa Aeronautica Italiano Ing. A. Ambrosini & C of Milan, Italy was formed when the Ambrosini industrial group took over S.A.I. in 1934. They continued to manufacture and develop aircraft during the years from then until the 1950s, and began Ambrosini engine development after WWII. Their two HOAE for light aircraft are described here.
O-50 (2-Stroke) -- {3.346 / 2.835 / 49.9} / {85 / 72 / 817}
2cyl; P.25; 22hp@3000rpm; 1949-1953; Wt = 39#.
Dual ignition.
AW; J49-50toJ52-53.
Applications: (Italy) Alaparma A.M.11; G.C.A.2 Dumbo; Movo M.F.2 Bi Passero (designed by S. Frati for 2 joined engines); Partenavia P-53 Aeroscooter.
O-175 -- {3.937 / 3.622 / 176.4} / {100 / 92 / 2890}
4cyl; P.70; 75hp@2500rpm; 1949-1953; Wt = 172#.
Dual ignition.
J49-50toJ52-53.
Applications: None found.