Bite-size tech: McLaren MP4-31 brake drum

In Austria the team made amendments to its front brake duct, an area that has already seen plenty of evolution this season. The drum has been reshaped, with a tapered surface used as the drum meets the main vertical fence (note the flat surface of the older specification in the inset). This allows the airflow taken in between the vertical fence and tyres sidewall a space to occupy ... Keep reading