The Demonstration Dynamo (Hand Pulley) from RVFM is mounted on a base plate 230 x 90mm approx. which also carries a hand-drive pulley of 120mm dia. It is coupled to the smaller dynamo pulley by a rubber belt to give a step-up ratio.
Electrical output is via a pair of 4mm sockets
Lamp is provided as a simple output indicator
May also be used as a motor on a 6 to 8V DC supply
