Alfa Romeo 12C / Tipo C (1936 - 1937)
Video
Details
| Layout | FR layout |
|---|---|
| Powertrain | |
| Engine | Roots supercharged 4.1 L 4064 cc 60° V12 370 bhp at 5800 rpm (12C-36)[1] Roots supercharged 4.5 L 4475 cc 60° V12 430 bhp at 5800 rpm (12C-37) |
| Transmission | 4-speed manual transmission |
| Dimensions | |
| Curb weight | 818 kg (1804 lb) (12C-36) 808 kg (1782 lb) (12C-37) |
| Alfa Romeo 12C-36 | Alfa Romeo 12C-37 | |
|---|---|---|
| engine | 12 cylinder V engine 60º | |
| displacement | 4064 cc / 248 cu in | 4495 cc / 274.3 cu in |
| bore × stroke | 70.0mm × 88.0mm | 72.0mm × 92.0mm |
| compression ratio | 7.1:1 | 7.3:1 |
| Power at 1/min | 370 hp (276 kW) at 5800 | 430 hp (321 kW) at 5800 |
| valve control | two overhead camshafts / 2 valves per cylinder | |
| mixture preparation | 2 Weber 50-DCO carburetors , Roots blower | 2 Weber carburetors , twin Roots blowers |
| cooling | water | |
| transmission | 4-speed transmission, non-synchronized (rear wheel drive) | |
| brakes | hydraulically operated drum brakes on all wheels | |
| Front suspension | Crank link axle , coil springs, hydraulic shock absorbers |
Transverse arms, coil springs, hydraulic dampers |
| rear suspension | Swing axle , transverse leaf spring, friction and hydraulic dampers |
Swing axle , semi-elliptical transverse leaf springs, hydraulic telescopic dampers, friction dampers |
| body and frame | Aluminum body on ladder frame | |
| wheelbase | 2750mm | 2800mm |
| Track width front / rear | 1350mm / 1350mm | 1370mm / 1430mm |
| front tire size | 6.5×18 | – |
| Rear tire size | 6.5×19 | – |
| Dimensions L × W × H | 4200mm × 1520mm × 1215mm | 4240mm × k. A × 1130 mm |
| Curb weight (without driver) | 820kg | 810kg |
| tank capacity | 170L | – |
| fuel consumption | – | – |
| top speed | 290km/h (180mph) | 310 km/h (193 mph) |