Alfa Romeo 12C
Alfa Romeo 12C
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| Alfa Romeo 12C | |
|---|---|
 An Alfa Romeo 12C-36 | |
| Overview | |
| Manufacturer | Alfa Romeo |
| Production | 1936-1937 |
| Designer | Vittorio Jano |
| Body and chassis | |
| Class | Grand Prix 750 kg |
| 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) |
The Alfa Romeo 12C or Tipo C was a 12-cylinder Grand Prix car. The 12C-36 made its debut in Tripoli Grand Prix 1936, and the 12C-37 in Coppa Acerbo 1937. The 12C-36 was a Tipo C fitted with the new V12 instead of the 3.8 litre straight-eight of the 8C-35. The 12C-37 was a new car, with a lower chassis and an engine bored and stroked
to 4475 cc, now with roller- instead of plain bearings and two smaller superchargers instead of a single large one. The car suffered poor handling, which could not be cured in time for the 1937 Italian GP, and thus was not successful. This is given as the reason for Vittorio Jano's resignation from Alfa Romeo at the end of 1937.[2] The 12C-36 used the existing six Tipo C chassis. Four examples of the 12C-37 were built, although only two were actually assembled for the 1937 Coppa Acerbo and Italian GP. Early in 1938, the Tipo C (8C-35, 12C-36) chassis were modified into 308s, with the straight-eight engine fitted lower in the chassis and a completely new body. The four 12C-37 chassis were instead assembled into 312 (V12 downsized to 3-litre) and 316 (V16 obtained from two 158 engines fitted to a common crankcase) formula race cars.
Main victories[edit]
- 1936 Penya Rhin Grand Prix, Tazio Nuvolari
- 1936 Milan Grand Prix, Tazio Nuvolari
- 1936 Modena Grand Prix, Tazio Nuvolari
- 1936 Vanderbilt Cup, Tazio Nuvolari
- 1937 Milan Grand Prix, Tazio Nuvolari
- 1937 Valentino Grand Prix, Antonio Brivio
- 1937 Circuito di Napoli, Giuseppe Farina
- 1937 Genova Grand Prix, Carlo Felice Trossi
*All with 12C-36
Alfa Romeo 12C-36
Cockpit of an Alfa Romeo 12C-36
References[edit]
^ Borgeson, Griffith. The Alfa Romeo Tradition. ISBN 0-85429-875-4..mw-parser-output cite.citationfont-style:inherit.mw-parser-output qquotes:"""""""'""'".mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em
^ "CARS (PART 1) ALFA ROMEO". kolumbus.fi/leif.snellman. Archived from the original on 19 April 2007. Retrieved 2007-04-26.
Alfa Romeo car timeline, 1910s–1940s — next » | |||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 15-20 HP | WWI | [α] | WWII | ||||||||||||||||||||||||||||||||||||
24 HP | RM | ||||||||||||||||||||||||||||||||||||||||
20-30 HP | [α] | 20-30 ES | |||||||||||||||||||||||||||||||||||||||
40-60 HP | |||||||||||||||||||||||||||||||||||||||||
6-cyl. | G1 | ||||||||||||||||||||||||||||||||||||||||
RL | |||||||||||||||||||||||||||||||||||||||||
6C 1500/1750/1900 | 6C 2300 | 6C 2500 | |||||||||||||||||||||||||||||||||||||||
8-cyl. | 8C 2300 | 8C 2900 | |||||||||||||||||||||||||||||||||||||||
Grand Prix car | GP | P1 | P2 | Tipo A | Tipo B (P3) | 8C 35 | 158 | 158 | |||||||||||||||||||||||||||||||||
308 | |||||||||||||||||||||||||||||||||||||||||
Bi motore | 12C | 312 | 512 | ||||||||||||||||||||||||||||||||||||||
316 | 162 | ||||||||||||||||||||||||||||||||||||||||
Ownership | Ugo Stella & investors | Nicola Romeo | IRI | ||||||||||||||||||||||||||||||||||||||
[α] 105 A.L.F.A 15-20 HP and 20-30 HP started in 1915 were completed in 1920, after the war, as Alfa Romeo models. | |||||||||||||||||||||||||||||||||||||||||
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Categories:
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