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 have a pitch of 12-14 degrees. A blade pitch as low as 8 or 10 degrees leads to poorer performance. While the short ceiling fan blades with minimum pitches can swirl at a high speed, they do not make for much air circulation and they are noisier than the types of fans with longer blades and higher pitches though they rotate more slowly.
These days ceiling fan blades are available in a range of color and designs. Different materials like solid wood, cross-laminated veneer and less-expensive veneered constant-density boards are used to render the ceiling fan blades a smart and contemporary looks. The trendy get ups include a metal finish, or a wooden looks. The use of woven bamboo and fabrics has also become popular. Contrast or reversible ceiling fan blades are yet another innovative addition to the whole gamut of ceiling fan blade designing. With two different finishes on both sides of the blade, they add to the glamour quotient of your interior.
Then there are those stylist outdoor ceiling fan blades made up of washable sail cloth stretched over a frame. Some of the leading brands also offer a replacement ceiling fan blade which allows you to bring a touch of change and alteration to your interiors all round the year.
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