Ferrari 125 F1
| Ferrari 125 F1 | |
|---|---|
| Overview | |
| Manufacturer | Ferrari |
| Production | 1948–1950 |
| Designer | Gioacchino Colombo, Valerio Colotti |
| Body and chassis | |
| Class | Formula One car |
| Powertrain | |
| Engine | 1.5 L Colombo 125 V12 |
| Dimensions | |
| Wheelbase | 2160 mm (85 in) 2320 mm (91 in) |
| Length | 3685 mm (145 in) |
| Width | 1400 mm (55 in) |
| Height | 1025 mm (40 in) |
| Curb weight | 710 kg (1565 lb) |
| Chronology | |
| Successor | Ferrari 275 F1 |
The 125 F1 was Ferrari's first Formula One car. It shared its engine with the 125 S sports racer which preceded it by a year, but was developed at the same time by Enzo Ferrari, Valerio Colotti and designer, Gioacchino Colombo.
The 125 F1 used a supercharged 1.5-litre V12 engine and sported a steel tube-frame chassis with longitudinal and cross members. It had a double wishbone suspension with a transverse leaf spring in front and a torsion bar in the rear which was upgraded to a de Dion tube for 1950. Worm and sector steering and four-wheel drum brakes were the norm for the time. The 2,160 mm (85 in) wheelbase was uprated to 2,320 mm (91 in) in the 1949 redesign. The chassis and transmission design was by Valerio Colotti.
The 125 F1 was powered by Colombo's 1.5-litre (1497 cc/91 in³) 60° V12. It had a single overhead camshaft on each bank of cylinders with a 60° angle between the two banks. The engine had two valves per cylinder fed through one Weber 40DOC3 or 50WCF carburettor. With just a 6.5:1 compression ratio, the supercharged engine still produced 230 hp (172 kW) at 7000 rpm. However, the Roots-type single-stage supercharger was incapable of producing the high-end power required to compete with the strong eight-cylinder Alfa Romeo 158 and four-cylinder Maserati 4CLT. Strong driving and a nimble chassis, however, allowed the company to place third in its first outing, at the Valentino Grand Prix on September 5, 1948 and the company persevered in racing.
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