Question about Lakewood R12-DSK Table Fan

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Fan Blade Wobble or Part of the Design?

I purchased the 12" desk fan and although it is running okay, as in fairly quietly, I see that there is kind of a "wobble" when you look a the running blade from the side. It looks like the blade assembly is "pumping" in and out at a fast and consistent rate. Is this part of the design? Or is this something I will need to fix? I'm not willing to do too much to this fan because it wasn't cheap and I believe that products should work right out of the box. Please advise!!! Thank you! My concern is that running the fan with this kind of "wobble" will damage the motor, if it is in fact not part of its regular function.

Posted by Suzy Colpitts on

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The problem you are getting is due to a warped fan blade, assembly of motor, or unbalanced spin radius. Your best bet on this is to seek a replacement from your manufacturer, as this is likely a fault of the assembly process, or even of manufacturing the fan blade set anyway. While the problem is not a major one, and you will be just fine using said fan for some time, it will shorten the life of the motor, which will eventually run dead due to extra stress. To prevent excess wear and tear, run the fan at a slightly lower speed, i.e. on 2, maybe even 1. At higher speeds, the centripetal force will cause the blades to warp further, and pull the motor back and forth, and thus, cause the unit further damage.

Posted on Jun 04, 2007

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Installed 2 new oakhurst hunter ceiling fans balanced one but cant balance rhe other has a bad wobble


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if one blade is bent higher than the others or if one blade is twisted more than the other wobble will result
If you assembled the blades onto the fan motor
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next using a tape measure at one position measure the blade tips from the floor or ceiling and bend the other blades up or down until they are all the same distance
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Will a smaller blade on a ceiling fan cause problems


Interesting situation.. not many people want to down-size a fan. Anyway, reducing the size of the fan blade shouldn't cause a problem - as long as the pitch or angle of the blade remains the same or is less than the original. Increasing the angle with a smaller blade could actually move MORE air than what the motor was designed to do - resulting in overloading and shortening the motor's life in the best case scenario. Worst case scenario - well, anything for electric devices in a worst case scenario usually involves fire, burns and even death (though not likely to happen).

Prior to starting, make sure all the blades are the same in every way including: length, width, angle and weight. A warped blade can cause wobble, too. Stand on a ladder and spin the fan by hand. Look for a blade that is tipped up or hangs lower than the others. Make adjustments as needed to correct (it may not be possible to correct a warped blade - so be forewarned). If any of the variables listed in the first sentence of this paragraph are different from those of the other blades, wobble and motor noise will result. Neither condition should be allowed to exist longer than absolutely necessary. You can minimize these effects by operating the fan at a slower speed. Generally, the blades should be pretty close in all of these variables - but a wobbly fan indicates an imbalance. Weights placed on fan blades can help correct wobble - but can be tricky to determine which blade is the cause.

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