British engineer Stephen Wallis has just shattered a speed barrier with his radio-controlled car, called Mach Reaper. His RC ...

If someone told you a have-a-go inventor called Wallis had printed out a world beating car in his garage at the end of a sleepy Rugby cul-de-sac, you’d tell them to lay off the Wensleydale at night.

Like NASCAR racers, but on a much smaller scale, drivers of RC cars make a living through wins and endorsements. Some pro racers got their start as teenagers. The neon yellow race car whipped around ...