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Fueled By Innovation

Every team in the NTT IndyCar Series might run the same DW12 chassis with the latest UAK18 aerokit and a McLaren Applied Technologies TAG 400i ECU, but that doesn’t mean there isn’t room to innovate.

Our Arrow McLaren SP cars are powered by 2.2-liter V6 twin-turbocharged Chevrolet engines, revving up to 12,000 rpm and delivering up to 700 horsepower. Set to be added to with the aeroscreen in 2020, the UAK18 aerokits come in two configurations: one for superspeedways and another for road or street courses and short ovals.

Those four specific types of circuit all provide a different engineering challenge for our team, as we search for the thousandths of a second that matter through both aerodynamic and mechanical performance.

The engineering challenge remains a great one. Wing angles can be adjusted, anti-roll bars changed and dampers and springs tweaked, gear ratios adapted… and with each tiny change comes a knock-on impact on the other aspects of the car. We are constantly searching for the perfect combination for both the car and driver at any given venue, on any given day, in any given condition.

Multiple real-time telemetry streams allow the engineers to monitor and analyze items such as vehicle speed and acceleration, suspension forces and displacements, tire pressures and temperatures, driver inputs, aerodynamic pressures, and engine/gearbox parameters. Combined with HD video, this amount to 40 GB of data gathered at every race event. Our data collection and analysis allows for in-session adjustments, while refueling and tire choice – Firestone provides primary and alternate compounds – open up strategic options within a race.

Tech Partners

 Arrow
 Cypress
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 MagnetiMarelli
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 Lenovo
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