Quick Answer: The Generator Unit - Hand Driven demonstrates how the electrical output of a dynamo varies with its rate of rotation, using a double stage step-up gear system with an overall ratio of approximately 1:25.
Last updated: October 2026
Key Features
Shows how the electrical output of a dynamo varies with its rate of rotation
Shows how the connected electrical load affects the work needed to drive it
Double stage step-up gear system
Overall gear ratio of approximately 1:25
About This Product
Turning the unit by hand at different rates lets students see the dynamo's electrical output change with its rate of rotation. Connecting different electrical loads shows how the load affects the amount of work required to drive it.
Frequently Asked Questions
Q1. What gear ratio does the unit use? A double stage step-up gear system gives an overall ratio of approximately 1:25.
.png)
