NTT IndyCar Series drivers got their first chance to try the new duct placed atop the aeroscreen during Friday’s opening practice session on the Iowa oval. After the 90-minute run, which closed with an ambient peak of 88 degrees Fahrenheit and 70 percent humidity, drivers had a range of feedback for the device designed to increase airflow through and out of the cockpit, and in turn, move hot, stagnant air along and reduce internal temperatures. “Credit to IndyCar for throwing more potential solutions at it, and experimenting,” Andretti Autosport’s Ryan Hunter-Reay told RACER. “And I think most places it would be good, but here with all the debris on this track, all the marbles...
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