Intro; Table of Contents; About the Authors; About the Technical Reviewer; Introduction; Chapter 1: The Generator; Generator Basics; Putting a Generator to Use; Non-LEGO Generators; Generator Wire Connections; Summary; Chapter 2: The Gearbox; LEGO Gears; Gearing Up; Compound Gears; Summary; Chapter 3: The Vertical-Axis Turbine; Catching the Wind; Generator Mount; Gearbox Frame; Joining the Generator and Gearbox; The Rotor; Final Assembly; Mount for KidWind Generator; Summary; Chapter 4: Airfoil Blades; The Airfoil; Wrapping in Duct Tape; Design Ideas; Summary

Chapter 5: The Horizontal-Axis TurbineThe Generator/Gearbox; Rotor and Blade Attachment; Final Assembly; Mount for KidWind Generator; Summary; Chapter 6: Measuring Performance; Test Setup; LEGO-based Meter; Assessing Turbine Performance; Relationship Between Power and Energy; Automated Energy Measurement; Summary; Chapter 7: Steering into the Wind; The Steering Vane; Final Assembly; Outdoor Testing; Summary; Chapter 8: Powering Things; LEDs Powered by Wind; Charging a Battery; Summary; Chapter 9: A Dual-Rotor Turbine; Counter-Rotating Blades; Electrical Connection; Summary

Chapter 10: A Pneumatic GeneratorDesign of the Pneumatic Turbine; Pneumatic Connection; Summary; Appendix: Parts Lists; Index