Alfa Romeo RM
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| Alfa Romeo RM | |
|---|---|
 Alfa Romeo RM Sport Castagna |
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| Manufacturer | Alfa Romeo |
| Production | 1923–1925 |
| Predecessor | Alfa Romeo RL |
| Successor | Alfa Romeo 6C |
| Body style(s) | limousine convertible |
| Layout | FR layout |
| Engine(s) | 1.9 L I4 2.0 L I4 |
| Transmission(s) | 4-speed manual[1] |
| Wheelbase | 2,900 mm (114.2 in) (RM Sport) |
| Length | 4,250 mm (167.3 in) |
| Width | 1,680 mm (66.1 in) |
| Height | 1,650 mm (65.0 in) |
| Curb weight | 1,450 kg (3,197 lb) |
Alfa Romeo RM was produced between 1923-1925, it was based of RL model. Car was introduced first time in 1923 Paris Motor Show and total production was around 500 cars. RM had 2.0 L straight-4 engine, which produced between 40 bhp to 48 bhp. As most of Alfa Romeo cars this was also used in racing purpose. Three versions was made: Normal,Sport and Unificato. Sport had raised compression ratio and Unificato had longer wheelbase and slightly bigger engine. RM top speed was around 90 km/h (56 mph).
Models:
- RM Normal, 1944 cc 40 bhp (1923)
- RM Sport, 1944 cc 44 bhp (1924)
- RM Unificato, 1996 cc 48 bhp (1925)
[edit] Alfa Romeo half track
A very rare half track version based on RM was built in 1920s. The half track used RM straight-4 engine modified to work with dry sump lubrication. The track used was Citroën Kegresse licensed, only one example is known survive.[2]
[edit] Notes
- ^ Technical specifications of 1924 Alfa Romeo RM Sport. carfolio.com. Retrieved on 2008-01-04.
- ^ 1924 Alfa Romeo RM Four Wheel Drive Winter Sports Half Track. motorbase.com. Retrieved on 2007-12-22.
[edit] References
Borgeson, Griffith (1990). The Alfa Romeo Tradition. Haynes (Foulis) Publishing Group Ltd. Somerset, UK. ISBN 0854298754.
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| Type | 1910s | 1920s | 1930s | 1940s | ||||||||||||||||||||||||||||||||||||
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| 4-cyl. | 12 HP / 15 HP / 24 HP / 15-20 HP / 20-30 HP | 20/30 HP | RM | |||||||||||||||||||||||||||||||||||||
| 4-cyl. | 40/60 HP | |||||||||||||||||||||||||||||||||||||||
| 4-cyl. | ES Sport | |||||||||||||||||||||||||||||||||||||||
| 6-cyl. | G1 / G2 | RL | ||||||||||||||||||||||||||||||||||||||
| 6-cyl. | 6C - 1500 / 1750 / 1900 / 2300 / 2500 | |||||||||||||||||||||||||||||||||||||||
| 8-cyl. | 8C - 2300 / 2600 / 2900 | |||||||||||||||||||||||||||||||||||||||
| Racing car |
GP | P1 / P2 | Tipo A | Tipo B (P3) | Tipo C (8C-35) | Tipo 308 | 158 / 159 Alfetta | |||||||||||||||||||||||||||||||||
| Bi-motore | 12C | |||||||||||||||||||||||||||||||||||||||
