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The Lancia Stratos HF () (''Tipo 829''), widely and more simply known as Lancia Stratos, is a sports car and rally car made by Italian car manufacturer Lancia. The HF stands for ''High Fidelity''. It was a very successful rally car, winning the World Rally Championship in 1974, 1975 and 1976. A Bertone-designed concept car called the Lancia Stratos Zero was shown to the public in 1970, but shares little but the name and mid-engined layout with the Stratos HF version. A new car called the New Stratos was announced in 2010 which was heavily influenced by the design of the original Stratos, but was based on a Ferrari chassis and engine. ==History== Bertone had no previous business with Lancia, who were traditionally linked with Pininfarina, and he wanted to come into conversation with them. Bertone knew that Lancia was looking for a replacement for the ageing Fulvia for use in rally sports and so he designed an eye-catcher to show to Lancia. Bertone used the running gear of the Fulvia Coupé of one of his personal friends and built a running showpiece around it. When Bertone himself appeared at the Lancia factory gates with the Stratos Zero he passed underneath the barrier and got great applause from the Lancia workers. After that a cooperation between Lancia and Bertone was decided to develop a new rally car based on ideas of Bertone’s designer Marcello Gandini who already had designed the Lamborghini Miura and Countach. Lancia presented the Bertone-designed Lancia Stratos HF prototype at the 1971 Turin Motor Show, a year after the announcement of the Stratos Zero concept car. The prototype Stratos HF (Chassis 1240) was fluorescent red in colour and featured a distinctive crescent-shaped-wrap-around windshield providing maximum forward visibility with almost no rear visibility. The prototype had three different engines in its early development life: the Lancia Fulvia engine, the Lancia Beta engine and finally for the 1971 public announcement, the mid-mounted Dino Ferrari V6 producing . The use of the Dino V6 was planned right from the beginning of the project, but Enzo Ferrari was reluctant to sign off the use of this engine in a car he saw as a competitor to his own Dino V6. After the production of the Dino car had ended the "Commendatore" (a popular nickname for Enzo Ferrari) agreed on delivering the engines for the Stratos and all of a sudden 500 engines were dumped on Lancia’s door. The Stratos was a very successful rally car during the 1970s and early 1980s. It started a new era in rallying as it was the first car designed from scratch for this kind of competition.〔(【引用サイトリンク】title=1975 Lancia Stratos ) 〕 The three leading men behind the entire rallying project were Lancia team manager Cesare Fiorio, British racer/engineer Mike Parkes and factory rally driver Sandro Munari with Bertone's Designer Marcello Gandini taking a very personal interest in designing and producing the bodywork. Lancia did extensive testing with the Stratos and raced the car in several racing events where Group 5 prototypes were allowed during the 1972 and 1973 seasons. Production of the 500 cars required for homologation in Group 4 commenced in 1973 and the Stratos was homologated for the 1974 World Rally Championship season. The Ferrari Dino V6 engine was phased out in 1974, but 500 engines among the last built were delivered to Lancia. Production ended in 1975 when it was thought that only 492 were made (for the 1976 season, the Group 4 production requirement was reduced to 400 in 24 months). Manufacturer of the car was Bertone in Turin, with final assembly by Lancia at the Chivasso plant.〔''Evo'' 153, February 2011〕 Powered by the Dino 2.4 L V6 engine that was also fitted to the rallying versions, but in a lower state of tune, it resulted in a power output of , giving the road car a 0–100 km/h time of 6.8 seconds, and a top speed of .〔 The car was sold as the Lancia Stratos HF Stradale. The Stratos weighed between 900 to 950 kilograms, depending on configuration. Power output was around for the original 12 valve version and for the 24 valve version. Beginning with the 1976 season the 24 valve heads were banned from competition for being non-standard. Even with this perceived power deficit the Stratos was the car to beat in competition and when it did not suffer an accident or premature transmission failure (of the latter there were many) it had great chances to win. Despite of the fact that the Stratos was never intended to be race car, there were two Group 5 racing car built with , using a single KKK turbocharger. The car won the 1974, 1975 and 1976 championship titles in the hands of Sandro Munari and Björn Waldegård, and might have gone on to win more had not internal politics within the Fiat group placed rallying responsibility on the Fiat 131 Abarths. As well as victories on the 1975, 1976 and 1977 Monte Carlo Rally, all courtesy of Munari, the Stratos won the event with the private Chardonnet Team as late as 1979.〔 Without support from Fiat, and despite new regulations that restricted engine power, the car would remain a serious competitor and proved able to beat works cars in several occasions when entered by an experienced private team with a talented driver. The last victory of the Stratos was in 1981, at the Tour de Corse Automobile, another World Rally Championship event, with a victory by longtime Stratos privateer Bernard Darniche. When the Fiat group favoured the Fiat 131 for rallying Lancia also built two Group 5 turbocharged 'silhouette' Stratos for closed-track endurance racing. These cars failed against the Porsche 935s on closed tracks but proved successful in hybrid events. While they failed in the Tour de France Automobile, one of these cars won the 1976 Giro d'Italia Automobilistico, an Italian counterpart of the Tour de France Automobile. One of the cars was destroyed in Zeltweg, when it caught fire due to overheating problems.〔(【引用サイトリンク】title=6 h Zeltweg results ) 〕 The last surviving car would win the Giro d'Italia event again before it was shipped to Japan to compete in the Fuji Speedway based Formula Silhouette series, which was never raced. The car would then be sold and reside in the Matsuda Collection before then being sold to the renowned collector of Stratos', Christian Hrabalek, a car designer and the founder of Fenomenon Ltd, who has the largest Lancia Stratos Collection in the world, 11 unique Lancia Stratos cars, including the fluorescent red 1971 factory prototype and the 1977 Safari Rally car.〔(【引用サイトリンク】title=Beyond the Stratos-phere ) 〕 His interest in the car led to the development of the Fenomenon Stratos in 2005. The Stratos also gained limited success in 24 Hours of Le Mans, with a car, driven by Christine Dacremont and Lella Lombardi, finishing 20th in 1976. Another unique Group 5 car is the Lancia Stratos HF of Austrian Rallycross driver Andy Bentza. The car was first driven by his Memphis team mate Franz Wurz, father of Formula One pilot Alexander Wurz. In 1976 Wurz claimed the first ever European Rallycross title recognised by the FIA with the car, by then still featuring a 2.4 litre engine with 12 valve head. For the ERC series of 1977 Wurz was entrusted with an experimental 24 valve engine by Mike Parkes, equipped with a special crankshaft to bring the engine capacity up to just under 3000 cc. For 1978 Bentza took the Stratos over from Wurz, sold his own 2.4 L 12V Stratos to compatriot Reneé Vontsina, and won the GT Division title of the ERC. The one and only 3.0 litre Stratos worldwide was raced by Bentza till the end of 1983. After keeping the car for another 30 years Bentza has sold the car to Alexander Wurz, is currently undergoing a full restoration and will be converted to its 1976/1977 rallycross specs. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Lancia Stratos」の詳細全文を読む スポンサード リンク
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