horizontal-axis wind turbine![click to hear](/images/speaker.jpg)
The most common type of wind turbine; its axis positions itself in the direction of the wind.
hub ![click to hear](/images/speaker.jpg)
Part of the rotor to which the blades are attached; it turns the low-speed shaft.
nacelle ![click to hear](/images/speaker.jpg)
Metal structure that encloses and protects the main mechanical elements of the wind turbine (including the gearbox and the alternator).
blade ![click to hear](/images/speaker.jpg)
Aerodynamic part that is attached to the hub; the force of the wind causes it to rotate to drive the rotor.
tower ![click to hear](/images/speaker.jpg)
Tower that reaches 260 ft in height; it supports the nacelle and rotor and houses the electric cables.