Speed Oscillating
Why does a fan oscillate at same speed no matter what speed setting the fan is set at?
Obviously the same motor controls the oscillation & the fan speed, but when you turn the fan speed from hi to lo, the fan continues to oscillate at the same speed. Why?
The main drive controls both the oscillation and the blade speed. However, the blade speed is further modulated by a differential mechanism between main drive and blades. The main drive goes the same speed regardless.
Big Smith: “12-Inch, 3-Speed Oscillating Fan”
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