- Types:
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blade, vane
flat surface that rotates and pushes against air or water
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cam
a rotating disk shaped to convert circular into linear motion
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circle, round
any circular or rotating mechanism
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Ferris wheel
a vertical rotating mechanism consisting of a large wheel with suspended seats that remain upright as the wheel rotates; provides a ride at an amusement park
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gyro, gyroscope
rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction
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rotor
rotating mechanism consisting of an assembly of rotating airfoils
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disc, disk
a flat circular plate
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distributor cam
the cam inside the distributor that rotates to contact spark plug terminals in the correct order
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fan blade
blade of a rotating fan
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impeller
the blade of a rotor (as in the compressor of a jet engine)
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main rotor
rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air
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paddle
a blade of a paddle wheel or water wheel
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rudder blade
the vertical blade on a rudder
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anti-torque rotor, tail rotor
rotor consisting of a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor
