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FIAT 24-32 HP 1905 and 24-40 HP 1906
The Fiat 24-32 HP model appeared originally in 1903 with a four cylinder twin-block 6371 cc. engine. A second series was introduced in 1904 with the engine capacity increased to 6902 cc. and a band type clutch. The last series, introduced in 1905, had an engine of 7363 cc. capacity and a multiple disc type clutch. Altogether over 400 examples of the 24-32 HP model were produced. Noteworthy design features include the fact that the model was produced in three wheelbase lenghts to allow different body styles. In fact, it was the first Fiat chassis to carry Landaulet bodywork. With the 24-32 HP model, Fiat introduced the foot-operated clutch and four speed gearbox with chain transmission to the rear wheels. Also noteworthy is the fact that in the first two series, tyres with identical dimensions were used front and rear. Maximum claimed speed 75 kph (46 mph); average fuel consumption announced for 20 litres per 100 km (14 mpg). Weight 1280 kg (2822 lb.) The 7363 cc (125 x150 mm) four cylinder engine produced a maximum power of 36 hp at 1200 rpm with a compression ratio of 4,2:1. A two seats sports version was entered by Fiat in the first Targa Florio in 1906 and won the race the following year with Felice Nazzaro at the wheel.
The Fiat 24-40 HP is considered as a development of the last serie 24-32 HP. The 7363 cc four cylinder engine is now announced for 40 hp at 1200 rpm while top speed is defined for 85 kph (53 mph). A distinctive feature of this model is the system to decompress the engine for easier starting. The brakes were also cooled with water to prevent overheating when going downhill. Exactly 557 examples of the 24-40 were produced between 1906 and 1907. The Fiat 24-32 HP Landaulet (photos 1 to 5) and the 24-40 HP Convertible (photos 6 to12) illustrated in this article are exhibited at the Museo Nazionale dell Automobile di Torino. Photos source: Damiens and Fiat Archives wallpapers of the FIAT 24-32 HP 1905 and 24-40 HP 1906 (click on the picture to enlarge)
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