During a McLaren press conference at the 2017 Goodwood Festival of Speed in the U.K., Chief Financial Officer Paul Buddin said the company’s new plant in Sheffield, England, building McLaren’s next-generation carbon-fiber tubs will have an annual capacity of 10,000 monocoque chassis by the end of 2019. That number caught the ear of a number of automotive news outlets, including CarBuzz and Car and Driver, especially since McLaren had also claimed its target goal was to build 5,000 cars annually by the end of the decade. The discrepancy between 5,000 cars and 10,000 monocoque chassis, both outlets reported, is a…