› #6 of 30 · Power
Wind turbine
Renewable power and blade design
Comes after #5 Hydroelectric dam
Build the real thing
Buy
Turbine kit with swappable blades
Buy a small wind-turbine kit and test blade designs in front of a fan. Change the number, angle and length of the blades and measure what each change does to the output.
- Cost
- $$ · $25–$100
- Time
- One session
- Screens
- No screen needed
For the grown-up
Spinning blades can fly off: everyone wears safety glasses, blades are card or plastic (never metal), and fingers stay clear of the fan and the rotor.
Build it in bricks
Brick build comingTabletop
Step-by-step brick booklets land one model at a time, starting with the Starter Five.
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