 Fresh air fan question |
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| altitude411 |
 Nov 11 2020, 12:02 PM
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#1
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I drove my 6 into a tree  Group: Members Posts: 1,306 Joined: 21-September 14 From: montana Member No.: 17,932 Region Association: Rocky Mountains 
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Cleaning my fresh air fan housing, motor, fan ect. I notice this spring wires clipped to a few random fan blades and out of curiosity wondering what they might be for? Anybody know (IMG:style_emoticons/default/WTF.gif)
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| bbrock |
Nov 11 2020, 12:11 PM
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#2
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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Mine had those too. I'm guessing they are balance weights.
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| altitude411 |
Nov 11 2020, 12:37 PM
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#3
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I drove my 6 into a tree Group: Members Posts: 1,306 Joined: 21-September 14 From: montana Member No.: 17,932 Region Association: Rocky Mountains
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That's the only thing my small logical brain could come up with as well, but do you think that a little plastic squirrel fan really needs to be precision balanced? I find it hard to believe. (IMG:style_emoticons/default/idea.gif) That lite gage wire can't add that much weight but why else would the thing have these calibration marks on it.
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| bbrock |
Nov 11 2020, 01:02 PM
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#4
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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My guess is that the blower spins fast enough that being out of balance could cause vibration and rumble. I've seen similar, but wider weights on cheap plastic box fans but thought the same thing about the size of those wires. They do seem rather pathetic but maybe make enough difference when the blower is spinning at speed? (IMG:style_emoticons/default/confused24.gif) After pondering mine for a couple seconds, I just though, "those Germans..." before buttoning everything back up.
Brent |
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| Beebo Kanelle |
Nov 11 2020, 01:07 PM
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#5
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Member Group: Members Posts: 248 Joined: 22-November 12 From: Houston, Texas Member No.: 15,177 Region Association: Southwest Region
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Its for balance and attenuation
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| altitude411 |
Nov 11 2020, 01:11 PM
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#6
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I drove my 6 into a tree Group: Members Posts: 1,306 Joined: 21-September 14 From: montana Member No.: 17,932 Region Association: Rocky Mountains
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attenuation... double word score. (IMG:style_emoticons/default/beerchug.gif)
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| bbrock |
Nov 11 2020, 01:47 PM
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#7
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains
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