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Porsche 909
The Porsche 909 "Bergspyder" was a Roadster (automobile), spyder sports car designed and built by Porsche in 1968. Its purpose was to compete in hillclimbing competitions, specifically the EHCC Sports Car (Gr. P) class of the European Hillclimb Championship. It was a short-lived model, but its basic structure, technical innovations, and overall design became the basis for the successful Porsche 908, 908/3. History Porsche had reigned champion with earlier models, the Porsche 910, 910, Porsche 907, 907, and Porsche 908, 908, winning nine European Hillclimb Championship titles out of eleven years of participation. After being defeated two years in a row, Ferrari set out to develop a dedicated hillclimb car to challenge Porsche in 1967. This car was the Ferrari 212 E Montagna, 212 E Montagna, and was announced to compete for the 1968 European Hillclimb Championship. Despite this initial claim, Ferrari postponed its development, with the car being unveiled in 1969. Still, given the s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Porsche Flat-eight Engines
German carmaker Porsche built several series of flat-eight engines of differing displacements over the course of many years. They were mainly used in Porsche's racing cars. Type 753 The first Porsche flat-eight was the Type 753. Work began on it in 1960, following the announcement of a 1.5-litre displacement limit for the 1961 Formula One (F1) season. The design of the new F1 engine was done by Hans Hönick and Hans Mezger. The 753 inherited the traditional Porsche features of a Flat engine#Boxer engine, boxer layout and air-cooling, but with the number of cylinders increased to eight. Bore and stroke were respectively, resulting in a displacement of . The oversquare dimensions kept piston speeds low, and also kept the engine narrow and as far out of the airflow on the sides of the car's tub as possible, although it was still wider than the 120° V6 and 90° V8s of the competition. The centre of the engine was a magnesium crankcase cast in two halves split vertically along the ce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
