Alfa Romeo 125

Alfa Romeo built/designed a range of aircraft engines based on the Bristol Jupiter and Bristol Pegasus designs, designated Alfa 125, Alfa 126, Alfa 127, Alfa 128, Alfa 129 and Alfa 131.All these essentially similar engines were mainly fitted to Italian bombers in World War II, Alfa Romeo building around 11,000 units between 1934 and 1944 [1] Alfa Romeo adapted the Jupiter / Pegasus (which are very closely related) to metric measurements, local materials and indigenous equipment.(The Italian engine designation system includes a suffix indicating major components or attributes.The most common were R for Riduttore - reduction gear and C for Compressore - compressor/supercharger, followed by a number indicating the rated altitude in hundreds of metres, two speed superchargers were indicated by a double figure such as 10/34).Data from Aircraft Engines of the World 1945[6] Archivio Storico Alfa Romeo - Volume II[7] Comparable engines Related lists Notes Bibliography
Alfa Romeo 131, 9-cyl radial engine.
Pistonaircraft engineAlfa RomeoSavoia-Marchetti SM.79Bristol JupiterBristol PegasusBristol Aeroplane CompanyBreda Ba.64CANT Z.506A AironeCANT Z.506B AironeCANT Z.506C AironeCaproni Bergamaschi AP.1Caproni Ca.97DAR-10AFiat G.12Junkers Ju 52Macchi M.C.94Macchi M.C.100Savoia-Marchetti S.73Savoia-Marchetti S.74Savoia-Marchetti SM.75 MarsupialeSavoia-Marchetti S.M.79 SparvieroSavoia-Marchetti S.M.79-II SparvieroSavoia-Marchetti S.M.79B SparvieroSavoia-Marchetti S.M.81 PipistrelloSavoia-Marchetti S.M.82 CanguruSavoia-Marchetti S.M.83Savoia-Marchetti S.M.84Savoia-Marchetti S.M.95StrokeDisplacementDry weightValvetrainSupercharger87 octanedry sumpReduction gearSpecific powerCompression ratioSpecific fuel consumptionPower-to-weight ratioBMW 132Nakajima HikariWright R-1820 CycloneList of aircraft enginesAngelfireaero enginesPiston enginesJupiterMercuriusRA 1000RA 1050