Blade pitch

From International Dictionary of Marine Aids to Navigation
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6-3-130

1 - For a horizontal axis wind-power generator, the angular setting of a blade measured at the tip as the angle between the chord line and the plane of rotation.

2 - For a vertical-axis wind-power generator, the angular setting of a blade measured in the horizontal plane as the angle between the chord line and the line tangent to the arc swept by the blade.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM