Engineering:Penske PC-9

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Penske PC-9
Penske PC-9B
Penske PC-9 Indy Car, built for Mario Andretti, 1980 - Collings Foundation - Massachusetts - DSC07041.jpg
CategoryCART IndyCar
ConstructorPenske
Designer(s)Geoff Ferris
PredecessorPenske PC-7
SuccessorPenske PC-10
Technical specifications
ChassisAluminum Monocoque
SuspensionInboard springs and Fox shocks front and rear, operated by top rocker arm with front and lower rear A arms of streamline tubing
EngineCosworth DFX 2,650 cc (161.7 cu in) V8 80° Mid-engined, longitudinally mounted
TransmissionHewland L.G.500[1] 4 speed manual
Weight1,550 lb (703.1 kg)
FuelMethanol, supplied by Mobil
TyresGoodyear Eagle Speedway Specials - Rear 27.0x14.5-15 - Front 25.5x10.0-15
Competition history
Notable entrantsPenske Racing
Notable driversRick Mears
Bobby Unser
Mario Andretti
Tom Gloy
Bill Alsup
1981 Indy 500-winning Penske PC-9B chassis of Bobby Unser
Penske PC-9B being demonstrated at the 2011 Goodwood Festival of Speed

The Penske PC-9 and Penske PC-9B are USAC and CART open-wheel race car chassis, designed by British designer Geoff Ferris at Penske Racing, which was constructed for competition in the 1980 and 1981 IndyCar seasons, as well as the 1980 season and 1981–82 USAC Champ Car seasons. It also notably successfully won the 1981 Indianapolis 500, being driven by Bobby Unser.[2][3][4][5][6][7][8]

References