August 21, 2011
The Pittsburgh Post-Gazette

Long before a snarling pack of Indy cars makes mad dashes up to 175 miles an hour down Pratt Street, a thoroughfare soon to become a straightaway, Martyn Thake will have sweated a lot of details. Consider the lowly manhole cover. Mr. Thake, the director of operations for the inaugural Baltimore Grand Prix on Labor Day weekend, says the racecars have such potent ground effects -- the aerodynamics that make them adhere to the track at high speeds -- that they could pull off unattached manhole covers as the cars whiz past....

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