Category | USAC IndyCar |
---|---|
Constructor | Vel's Parnelli Jones Racing |
Designer(s) | Maurice Phillippe |
Successor | Parnelli VPJ2 |
Technical specifications | |
Chassis | Aluminum Monocoque |
Suspension | Inboard springs and Fox shocks front and rear, operated by top rocker arm with front and lower rear A arms of streamline tubing |
Engine | Offenhauser 158 cu in (2,589.2 cc) I-4 Mid-engined, longitudinally mounted |
Transmission | Hewland L.G. Mk.II 4-speed manual |
Weight | 1,550 lb (703.1 kg) |
Fuel | Methanol |
Tyres | Firestone Speedway Specials - Rear 27.0x14.5-15 - Front 25.5x10.0-15 |
Competition history | |
Notable drivers | Al Unser Mario Andretti Joe Leonard |
The Parnelli VPJ1 is an open-wheel race car, designed by British designer and engineer Maurice Phillippe for Vel's Parnelli Jones Racing, to compete in U.S.A.C. Championship Car for 1972. It was driven by Mario Andretti, Al Unser, and Joe Leonard. It was powered by an Offenhauser four-cylinder turbo engine, reputed to develop between 1,200–1,300 hp (890–970 kW), depending on turbo boost pressure levels. In its original configuration, the car was designed with dihedral wings mounted to either side of the cockpit and sticking up at 45-degree angles. However, the unusual aerodynamic design proved no performance benefits, and by the Indianapolis 500 in May, the design had been revised to have the wings removed. Following the redesign, the car saw success, most notably with Joe Leonard who won three races and won the 1972 USAC Championship. Al Unser and Mario Andretti saw minor achievements, with Unser scoring podiums at Indianapolis and Pocono, and Andretti at Phoenix. [1] [2] [3] [4]
Mario Gabriele Andretti is an American former racing driver and businessman, who competed in Formula One from 1968 to 1982, and IndyCar from 1964 to 1994. Andretti won the Formula One World Drivers' Championship in 1978 with Lotus, and won 12 Grands Prix across 14 seasons. In American open-wheel racing, Andretti won four IndyCar National Championship titles and the Indianapolis 500 in 1969; in stock car racing, he won the Daytona 500 in 1967. In endurance racing, Andretti is a three-time winner of the 12 Hours of Sebring.
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Vel's Parnelli Jones Racing, commonly referred to simply as Parnelli or VPJ, was a motor racing constructor and team from the United States. The team was formed in 1969 by former USAC racer Parnelli Jones and his business partner Velko "Vel" Miletich. Parnelli was initially solely concerned with USAC racing, where success came quickly; their driver Al Unser won the Indianapolis 500 race in 1970, driving a VPJ Colt, after leading 190 of the 200 racing laps. Unser went on to win the USAC championship. Unser repeated the Indy 500 win in 1971 with a new Colt built without the left side chassis offset that had been made illegal by 1971 rules, ending the season in fourth place in the USAC drivers points while teammate Joe Leonard won the championship.
Rufus Parnell "Parnelli" Jones was an American professional racing driver and racing team owner. He is notable for his accomplishments while competing in the Indianapolis 500 and the Baja 1000 desert race, and the Trans-Am Championship series. In 1962, he became the first driver to qualify over 150 mph (240 km/h). He won the race in 1963, then famously broke down while leading the 1967 race with three laps to go in a turbine car. During his career as an owner, he won the Indy 500 in 1970–1971 with driver Al Unser.
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