Over one hundred years ago, on the 2. Of May 1915, Rex Patterson Tilbrook was born in Prospect South Australia. He would grow up to become an innovative engineer, designer and fabricator, who produced high quality motorcycle accessories, motorcycle sidecars and eventually his own pioneering range of motorcycles and racing machines. One of the Tilbrook sidecar designs outside the Kensington factory. The 250cc machine though was never put into pr.