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Alfa Romeo built/designed a range of aircraft engines based on the
(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).
;Alfa Romeo Jupiter:
:The standard Jupiter engine built under licence from the
Bristol Jupiter
The Bristol Jupiter is a British nine-cylinder single-row piston radial engine that was built by the Bristol Aeroplane Company. Originally designed late in World War I and known as the Cosmos Jupiter, a lengthy series of upgrades and developme ...
and Bristol Pegasus
The Bristol Pegasus is a British nine-cylinder, single-row, air-cooled radial engine, radial aircraft engine, aero engine. Designed by Roy Fedden of the Bristol Aeroplane Company, it was used to power both civil and military aircraft of the 1 ...
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
Design and development
Alfa Romeo adapted the Jupiter / Pegasus (which are very closely related) to metric measurements, local materials and indigenous equipment.Variants
(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).
;Alfa Romeo Jupiter:
:The standard Jupiter engine built under licence from the Bristol Aeroplane Company
The Bristol Aeroplane Company, originally the British and Colonial Aeroplane Company, was both one of the first and one of the most important British aviation companies, designing and manufacturing both airframes and aircraft engines. Notable ...
.
;Alfa 125 R.C.10: rated at
;Alfa 125 R.C.35: 1934 — rated at
;Alfa 126 R.C.10: 1935 — Civilian version of 126 R.C.34 rated at
;Alfa 126 R.C.32: rated at
;Alfa 126 R.C.34: 1935 — rated at
;Alfa 127 R.C.50: rated at
;Alfa 127 R.C.55: 1937 — rated at
;Alfa 128 R.C.18: rated at
;Alfa 128 R.C.21: 1938 — rated at
;Alfa 129 R.C.32: rated at
;Alfa 131 R.C.14/50 :1943 — Two speed supercharger, rated at in low gear and in high gear.
Applications
* Breda Ba.64 (Alfa125 R.C.35) * CANT Z.506A Airone (Alfa 126 R.C.10) * CANT Z.506B Airone (Alfa 126 R.C.34 / Alfa 127 R.C.50 / Alfa 127 R.C.55) * CANT Z.506C Airone (Alfa 126 R.C.10) * Caproni Bergamaschi AP.1 (Alfa126 R.C.34) * Caproni Ca.97 (AlfaJupiter) * DAR-10A (prototype) (Alfa126 R.C.34) * Fiat G.12 (Alfa 128 R.C.18) *Junkers Ju 52
The Junkers Ju 52/3m (nicknamed ''Tante Ju'' ("Aunt Ju") and ''Iron Annie'') is a transport aircraft that was designed and manufactured by German aviation company Junkers. First introduced during 1930 as a civilian airliner, it was adapted int ...
(Alfa126 R.C.34)
* Macchi M.C.94 (Alfa 126 R.C.10)
* Macchi M.C.100 (Alfa 126 R.C.10)
* Savoia-Marchetti S.73 (Alfa 126 R.C.10 / Alfa 126 R.C.34)
* Savoia-Marchetti S.74 (Alfa126 R.C.34)
* Savoia-Marchetti SM.75 Marsupiale (Alfa 128 R.C.18 / Alfa 128 R.C.21)
* Savoia-Marchetti S.77 (Alfa 126 R.C.10)
* Savoia-Marchetti S.M.79 Sparviero (Alfa 128 R.C.18 / Alfa 125 R.C.35 / Alfa126 R.C.34)
* Savoia-Marchetti S.M.79-II Sparviero (Alfa 126 R.C.34)
* Savoia-Marchetti S.M.79B Sparviero (Alfa 128 R.C.18)
* Savoia-Marchetti S.M.81 Pipistrello (Alfa 125 R.C.35 / Alfa 126 R.C.34)
* Savoia-Marchetti S.M.82 Canguru (Alfa 128 R.C.18 / Alfa 128 R.C.21 / Alfa 129 R.C.32)
* Savoia-Marchetti S.M.83 (Alfa126 R.C.34)
* Savoia-Marchetti S.M.84 (Alfa 128 R.C.21)
* Savoia-Marchetti S.M.95 (Alfa 128 R.C.18 / Alfa 131 R.C.14/50)
Specifications (Alfa 128 R.C.21)
See also
References
Notes Bibliography * *Archivio Storico Alfa Romeo - Volume II. Torino, November 1998 {{Alfa Romeo aeroengines 1930s aircraft piston engines Aircraft air-cooled radial piston engines125 125 may refer to:
*125 (number), a natural number
*AD 125, a year in the 2nd century AD
*125 BC, a year in the 2nd century BC
*125 (dinghy), a two person intermediate sailing dinghy
*125 (New Jersey bus), a New Jersey Transit bus route
*125 Liberatr ...