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Vibrations from a fan

post #1 of 11
Thread Starter 
I've got a fan that's missing a blade and when it spins it causes a lot of vibrations. So I wonder is there a way to use an everyday object as counter weight? I know I could just buy another fan but I like to improvise more and save the cash tongue.gif
post #2 of 11
Quote:
Originally Posted by Jonsu View Post

I've got a fan that's missing a blade and when it spins it causes a lot of vibrations. So I wonder is there a way to use an everyday object as counter weight? I know I could just buy another fan but I like to improvise more and save the cash tongue.gif

I guess you could get something like weights for a ceiling fan, but they'd need to be epoxy glued (or superglued) to the inner hub of the fan. It would be cheaper to replace it with another, since you'll never get "perfect" balance. Cheap fans from FTWPC.
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post #3 of 11
Thread Starter 
It's not a ceiling fan but a case fan I'm dealing with but I'm not sure if your advice could work for both cases headscratch.gif But anyways I taped a dime where the blade was missing and it reduced the vibrations by a bunch but it had to sacrifice some RPMs. Your right about never achieving a perfect balance but I could live with that. Thanks for your help wink.gif
post #4 of 11
Quote:
Originally Posted by Jonsu View Post

It's not a ceiling fan but a case fan I'm dealing with but I'm not sure if your advice could work for both cases headscratch.gif But anyways I taped a dime where the blade was missing and it reduced the vibrations by a bunch but it had to sacrifice some RPMs. Your right about never achieving a perfect balance but I could live with that. Thanks for your help wink.gif

Sorry for not being clear. I meant to take a ceiling fan weight that you can buy at a local hardware store, and use that to balance. Normally they are fairly heavy, so there doesn't need to be much offset from the center of the fan, allowing it to spin at normal speeds. The dime seems to work, so you should be good.
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post #5 of 11
... or you could break off the other side....
   
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post #6 of 11
Thread Starter 
Lol that was my first thought but then I realize it had uneven number of blades. And I hope the dime doesn't go flying off and cause an explosion biggrin.gif
post #7 of 11
Bass 2 mouth lol... nice episode.

My guess is that the fan will wear out sooner because of the added stress to the motor (imbalance).

Replace it.
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post #8 of 11
Thread Starter 
I am catatafish rolleyes.gif ill probably change it when it gives all it got then i'll give it a proper burial some day sad-smiley-002.gif
post #9 of 11
if its got an uneven number then rip off 2 more, to make it a triangle
   
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post #10 of 11
Unless the fan is solid gold or a family heirloom, some issues really are just better solved by $10 and free ground shipping.
    
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