Napier-Railton Track Racer (24-litre 12-cylinder, 1933). The car Nick D January 29, 2016 One of the world's most historic post-vintage racing cars, John Cobb's 24-litre aero-engined Napier-Railton Track Racer, at the start line at Kop Hill Climb 2013. The car broke 47 world speed records and is the all-time lap record holder at Brooklands - the historic home of motor racing. The car now resides at the Brooklands Museum. From 1910 to 1925 Kop Hill, in the Chiltern Hills, UK, was one of the original homes of motorsport, where many of the world's leading drivers and riders of the time competed to be the fastest to the top. Now in its fifth year of revival, at the Kop Hill Climb 2013 an expected 16,000 people will watch more than 400 historic and iconic cars and motorcycles take to the hill once more, all in aid of charity. Saturday, 21 September 2013, Kop Hill, Princes Risborough, Buckinghamshire, United Kingdom.