Go-karts are a huge amount of fun ... the motor is a geared 12 V item which drives a V-belt to the axle. The motor is mounted on a pivot with a lever, such that normally the belt isn’t engaged ...

because he has taken a child’s go-kart and turned it into the electrically-propelled ride of dreams. Out come the pedals and in goes a wooden floor panel, and at the rear the axle is replaced by ...

but they can go as high as 9,000 rpm. Just like a conventional kart, altering the gearing is a quick job, too, thanks to a simple sprocket change, be it for either the larger sprocket on the axle ...