Aeronautica Macchi S.A., of Milan, Italy, is a well-known aircraft manufacturer founded in 1912. This HOAE for very light aircraft seems to be the only Macchi engine.
O-46 -- {3.071 / 3.071 / 45.5} / {78 / 78 / 745}
2cyl; M.B.2; 20hp@3000rpm; 1948-1950; Wt = 81#.
Fuel-injected engine.
AM6/03 (PR-2 application); AW; J49-50.
Applications: (Italy) Alaparma AM-8; Movo M.F.1 Passero (designed by S. Frati); Politecnico di Milano (designer E. Preti) PR-2 Saltafossi.