42 In Ceiling Fan With Light

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FAQ

What are your misunderstanding blowing ?
That is to use electric fans to cool down and sleep together. When sleeping, the functions of the organs in the body are reduced to the lowest level. All reflexes disappear, immunity declines and diseases are easily induced
Where does the fan drip the oil?
After turning, the net cover is turned downwards, the shell of the back of the motor is removed, the rotating shaft and the swinging head mechanism of the tail of the motor are exposed, and 4-5 drops are dropped along the root of the rotating shaft, and the back shell is installed after the oil is penetrated
What's the difference between a cool fan and an electric fan?
The fan is just an ordinary hair dryer. The air conditioning fan can use water or ice cubes to cool and blow. The natural cooling effect is better. The cold fan is better
What are the advantages and disadvantages of the vaneless fan?
From the mechanical principle, the suction air and blowing air must use the turbine blade structure, the current technology must be so
How to measure the quality of fan motors with digital multimeter?
The DC resistance between the 3 wires is measured respectively by the multimeter. The maximum value is the resistance value of the starting winding and the running winding, followed by the resistance value of the starting winding and the resistance value of the running winding.
How to measure the speed of an electric fan conveniently and precisely?
Can be measured with a laser tachometer, affixed with reflective stickers, measured several times, the effect is good
Where does the wind from the electric fan come from?
The air passes through the fan blade, because it is oblique, and when the air passes, the fan leaves the air straight, while the other side takes a diagonal line with the blade
Why can an electric fan choose only 123 winds, and this discrete value instead of zero to three continuous type?
A multi throw switch is cheaper than a rheostat