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Renault RS01
The Renault RS01 was the first Formula One car to be powered by a turbocharged engine. It was also the first to use radial tires, which were provided by Michelin.〔(【引用サイトリンク】title=Renault 30th F1 anniversary/ Talks about the RS01 )〕 Designed by André de Cortanze and Jean-Pierre Jabouille, it first appeared at the 1977 British Grand Prix. The rules of F1 at the time permitted 3.0 litre engines of natural aspiration, with a clause for a 1.5 litre supercharged or turbocharged engine. None of the teams had pursued this avenue, and stuck to Ford Cosworth DFV engines, whilst Ferrari, Matra and Alfa Romeo concentrated on developing Flat-12 engines for their cars, and their customer teams of Ligier and Brabham. Leading French car manufacturer Renault decided to develop a 1.5 litre turbocharged engine, and a car to accompany the powerplant.
==Development==
Team Lotus had introduced ground effect with the Lotus 78, while Tyrrell were using the six wheeled Tyrrell P34. Renault continued the innovatory path with their car, drawing on the knowledge gained from their turbocharged 2.0L V6 engine used in Sports car racing which culminated in finishing 2nd at Le Mans in 1977 and winning in 1978, proving that Renault's turbocharged engines could not only be powerful, but reliable.
The RS01 appeared cumbersome and overweight and indeed it was. But it was nothing more than an experimental test car at this stage, and Jabouille, who was also the team's driver, worked hard to develop it. The engine block was made in cast iron to withstand the pressures of turbocharging, whilst the chassis itself was kept as uncomplicated as possible to aid development.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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