Same arrangement as the Demonstration Motor, but is mounted on a base plate 220 x 85 mm. Approx. Which also carries a hand driven pulley 120mm diameter, coupled to the smaller dynamo pulley by a rubber belt to increase the speed of the dynamo. Electrical output is through a pair of 4mm socket. An LED is provided as a simple output indicator. The model may also be used as a motor when connected to a 6-8 V D.C. Supply.