blade hub

blade root

blade root
The portion of the propeller blade that fits into the hub. Also called a blade hub.
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References in periodicals archive ?
Each of the structures will be 80 meters tall (262 feet) to the center of the blade hub.
The fan has a brushed-chrome finish, a deep pitch, a quiet blade attached to a bullet-nose blade hub, three-speed control, and complete tilt adjustment.
Construction of the initial 81 wind turbines at the wind farm, each more than 198 feet tall to the center of the blade hub, began late in 2002.
Construction of the 44 wind turbines at the wind farm, each about 228 feet tall to the center of the blade hub, began in the summer of 2002 and was completed in December.