Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,258 pages of information and 223,668 images on early companies, their products and the people who designed and built them.
The engine used was a 98cc, but it differed from other machines in that the pedal shaft ran through the clutch shaft. Although neat in design, this would have given trouble if it was bent as the result of a fall. The engine went on to become the Villiers Junior.