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Vornado with blade deformation?  Rate Topic 
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 Posted: Tue Sep 10th, 2019 01:36 am
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Keith Pincock
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I’ve got a Vornado fan that has big cut in one arm of the hub. It looks like it was the from the factory. Is that a crack or did they use that to balance the blades?





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 Posted: Tue Sep 10th, 2019 08:34 pm
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David Allen
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Wow. Certainly not nice. It does look as if it was there when the fan was painted; but not sure why the factory would do such a thing. There are easier ways to remove material for balancing.

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 Posted: Wed Sep 11th, 2019 09:47 am
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Mark Olson
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That is a crack. The hub appears to be made of pot metal.
Pot metal is often of poor quality, it is not created equally, it consists of what the maker threw in the "pot", and pot metal
may degrade as time passes. A pot metal part that shows signs of degradation will only get worse.
I"d say use it like it is if the fan seems to be balanced okay. If the crack bothers you, either find a replacement blade,
or patch the crack with an epoxy such as JB Weld, for cosmetic reasons only.

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 Posted: Wed Sep 11th, 2019 10:37 am
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John McComas
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Mark Olson wrote: That is a crack. The hub appears to be made of pot metal.
Pot metal is often of poor quality, it is not created equally, it consists of what the maker threw in the "pot", and pot metal
may degrade as time passes. A pot metal part that shows signs of degradation will only get worse.
I"d say use it like it is if the fan seems to be balanced okay. If the crack bothers you, either find a replacement blade,
or patch the crack with an epoxy such as JB Weld, for cosmetic reasons only.
Like Mark said...
To balance that blade, me, and factory? would have added metal weight in those 8 holes in the hub.
That crack/flaw should not be a problem unless the blade is out of balance and could make things worse....
Happy Fanning

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