Demonstration Dynamo

This model uses the same basic assembly as the motor Cat. No. But is mounted on a base plate 225x100mm which also carries a hand-driven pulley 120mm diameter coupled to the smaller dynamo pulley by s rubber belt. Electric output is via a pair of 4mm sockets, and light emitting diode is provided as simple output indicator. The model may also be used as motor on a 4 to 8v D.C. supply. Overall height 150mm.