Why Do Wind Turbines Have Three Blades?

Join us to celebrate our sun (and wind!) powered planet on Sept. 21 - more info at https://www.sunday.earth/

Support MinutePhysics on Patreon! https://patreon.com/minutephysics

Wind turbines are a successful and popular method to create clean energy. But why do almost all of them have 3 blades? Here are 3 reasons.

Further reading:
- The Wind Hand Book, Tony Burton et al., 2001
- The Effect of the Number of Blades on the
Efficiency of A Wind Turbine, Kehinde Adeseye Adeyeye et al., 2020
- https://www.youtube.com/watch?v=WGKIjojADmg
- https://www.youtube.com/watch?v=CI-bwqhhTTw

Link to Patreon Supporters: http://www.minutephysics.com/supporters/

MinutePhysics provides an energetic and entertaining view of old and new problems in physics - all in a minute!

Created by Henry Reich
Produced by Joshua Chawner