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Old 01-11-2009, 04:55 PM   #1
mandoman
 
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I replaced a bathroom fan for a fan/light combo and have the old fan. It's 120v. I'm wondering if, with a dimmer switch, it will be ok for a stir plate? It is already in a perfectly sized box but I'm concerned that even on low it will spin too fast. If y'all have done this before please comment. I'm probably going to try it anyway cuz I have everything except the switch. Thanks ahead of time.
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Old 01-11-2009, 05:42 PM   #2
mandoman
 
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well, it works but I have to set it up trial-wise to see if it spins a starter
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Old 01-14-2009, 07:01 PM   #3
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Finished. here's some pics and a description. Used fan, bought stir bar, dimmer switch, had some old wire. Clipped out hole in fan housing so magnet wouldn't stick. Propped flask up on 1/4" magnets from kids toys. Will not run with this magnet/bar/volume combo above about halfway but that is plenty for the vortex.

Be glad to show more pics if needed. Really was as easy as twisting some wire nuts and cutting out the fan housing.
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Old 01-14-2009, 07:07 PM   #4
BierMuncher
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Shear genius...and it fits my "ugly junk" criteria.

 
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Old 01-14-2009, 07:12 PM   #5

Quote:
Originally Posted by BierMuncher View Post
Shear genius...and it fits my "ugly junk" criteria.
mandoman, you've acheived what few have- junk uglier than BM's!

 
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Old 01-14-2009, 07:28 PM   #6
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Quote:
Originally Posted by BierMuncher View Post
Shear genius...and it fits my "ugly junk" criteria.
I was going to ask the OP if he was related to you in some way...
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Old 01-14-2009, 07:38 PM   #7
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man, I'm flattered. Separated at birth, BM. I am just soo into the ghetto thing. Use what you got is what I say. Function before fashion.
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Old 05-21-2010, 12:26 PM   #8
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I just replaced a bathroom fan and was wondering the same thing. Glad to see someone has already done this and that its possible, so I won't be wasting my time. Might try to make it a little purtier though.
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Old 05-21-2010, 12:30 PM   #9
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Make sure you put a little side box on that for band aids Or maybe smooth those edges. Yikes!
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Old 05-21-2010, 01:01 PM   #10
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Nice. I bought a $13 bath fan at homedepot two months ago, but haven't gotten around to putting it together.... hopefully this will be insprirational.

PS from what i understand, a bathroom vent works with a rheostat (variable resister (light dimmer)) because it is a "shaded pole motor"

regular AC motors can't handle the dimmer.
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