A ceiling fan consists of three basic parts, namely the motor; blades and the mounting device. The standard ceiling fans comprises of three to five blades. The numbers and sizes of the blades determine the prices of the fan. The more the number of the blades, the costlier is the fan. Price also depends on the length of the ceiling fan blades which is measured by the full blade sweep they produce. There is no universally fixed size for the ceiling fan blades; length varies with the brands. In the high quality ceiling fans, the spin lengths vary between 30, 42, 44, 46, 50, 52 and 60 inches diameter.
The quality of the fans is rated by their performance in moving the air effectively and quietly. This is conditioned by such factors as the pitch, length, and number of ceiling fan blades, and their revolutions per minute (rpms).The angular edges of the ceiling fan blades are termed as the pitches which are particularly important for the effective replacement of the air. This shape enables the blade to apply pressure to the air in front of it and consequently the air is forced downwards.
Higher pitches allow more replacement of air. High quality ceiling fan blades...
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