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IndyCar: Defining the aerodynamic package for oval racing

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Khatir Soltani
From indycar.com

Determining the aerodynamic package for the new IZOD IndyCar Series car on high-speed ovals in advance of a scheduled March 13 Open Test at Texas Motor Speedway is the objective of IndyCar and three driver-car combinations converging on the 1.5-mile oval February 21.

Alex Tagliani of Team Barracuda BHA (formerly known as Bryan Herta Autosport) and Ryan Briscoe of Team Penske will join Tony Kanaan of KV Racing Technology.

A road/street course Open Test is scheduled for March 5-6 and 8-9 at Sebring International Raceway (the middle day for Firestone Indy Lights testing).

Indianapolis Motor Speedway is the first oval event on the schedule, following four street/road circuits. The Firestone 550 at Texas Motor Speedway is June 8-9.

“We’re going to Texas to make sure of and define what specification we should run the car in aerodynamically, but also it’s the first opportunity that IndyCar has had to look at the suspension (alteration by Dallara) to change the weight distribution,” the series' vice president of technology Will Phillips said.

IndyCar Honda
Photo: IndyCar

“The intention is to run the cars in similar configurations. They’ll have different setups because I’m not specifying a setup, but similar aerodynamic specification and then step through an agreed program with all three groups.”

Dallara-provided aero bits that were tested in the full-scale wind tunnel last month in North Carolina will be used. Also, a lightweight spool for the Xtrac transmission will be employed for the first time on oval testing. The only other development session on a 1.5-mile oval was at Homestead-Miami Speedway in December.

"For Lotus it's important too because we have not had the same amount of time in the car with the engine to play around as the others,” Tagliani told the official IndyCar website.

IndyCar test session:

Barber Motorsports Park, Alabama (Feb. 20-21)
Honda
No. 9 Scott Dixon - Target Chip Ganassi Racing
No. 10 Dario Franchitti - Target Chip Ganassi Racing
No. 14 Mike Conway - A.J. Foyt Racing
No. 15 Takuma Sato - Rahal Letterman Lanigan
No. 18 James Jakes - Dale Coyne Racing
No. 19 Justin Wilson - Dale Coyne Racing
No. 38 Graham Rahal - Service Central Chip Ganassi Racing
No. 83 Charlie Kimball - Novo Nordisk Chip Ganassi Racing
No. 77 Simon Pagenaud - Sam Schmidt Motorsports
Chevrolet
No. 3 Helio Castroneves - Team Penske
No. 12 Will Power - Team Penske

IndyCar Chevrolet
Photo: LAT for IndyCar

Phoenix International Raceway, Arizona (Feb. 21-22)
Chevrolet
No. 4 JR Hildebrand – National Guard Panther Racing (Feb. 22 only)
No. 26 Marco Andretti – Andretti Autosport

Sebring International Raceway, Florida (Feb. 23-24)
Honda
No. 9 Scott Dixon – Target Chip Ganassi Racing
No. 10 Dario Franchitti – Target Chip Ganassi Racing
No. 15 Takuma Sato – Rahal Letterman Lanigan
No. 38 Graham Rahal – Service Central Chip Ganassi Racing
No. 77 Simon Pagenaud -- Sam Schmidt Motorsports
No. 83 Charlie Kimball – Novo Nordisk Chip Ganassi Racing
Lotus
No. 2 Oriol Servia -- Lotus Dreyer & Reinbold Racing
No. 78 Simona de Silvestro -- Lotus HVM Racing

Infineon Raceway, California (Feb. 25-26)
Chevrolet
No. 2 Ryan Briscoe (Team Penske)
No. 4 JR Hildebrand -- Panther Racing
No. 12 Will Power (Team Penske)
No. 28 Ryan Hunter-Reay (Andretti Autosport)
E.J. Viso and Rubens Barrichello (KV Racing Technology)


Khatir Soltani
Khatir Soltani
Automotive expert
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