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4th December 2006, 05:50 AM
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#1 |
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Banned
Join Date: Jan 2006
Location: Vancouver, BC
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Serrated fans
I read that fans with serrated blades are quieter, and have seen some commercial models. However, I've not seen any small ones, so I'm wondering if I can just make cuts into the plastic blades of an existing fan, if I try to make them identical on each blade.
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4th December 2006, 05:06 PM
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#2 |
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diyAudio Member
Join Date: Jan 2005
Location: Phoenix, Az.
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I think it might be hard to do it accurately. If you unbalance the blade, it will vibrate while spinning and the vibration may make more noise or it will at least wear the bearings out faster.
It is probably better to just use a bigger, slower fan. 230VAC fans will run very quietly at 117VAC. Most 12V fans will start reliably and run quiet at 6-7V. I_F |
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