Ambrosini SAI.3The Ambrosini SAI.3 was a two-seat Italian touring airplane first flown in 1937.Design and developmentThe SAI.3 was a low-wing monoplane with a graceful, elliptical wing, and fixed Conventional [landing gear|tailwheel undercarriage]. Customers could choose between enclosed or open cockpits, and between an inline Alfa [Romeo 115] engine or a radial Fiat A.50. A revised version was marketed as the SAI.3S with a smaller-chord wing and a Siemens-Halske Sh 14 radial engine, this offering far superior performance to the original SAI.3 design.