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ceilingfans to windmill....?
By 1 Roach, Section Homebrewed Electricity Posted on Thu Nov 6th, 2003 at 09:23:03 PM MST
anyone made a windmill from a ceilingfan, can it be done. ?

ceilingfans to windmill....? | 3 comments (3 topical, 0 editorial)

Re: ceilingfans to windmill....? (none / 0) (#1)
by dburt on Fri Nov 7th, 2003 at 05:46:59 AM MST
(User Info)

I tried this, machined the rotating part out to fit in some magnets, and bolted on blades. The frustrating part was that the original coils were of really tiny wire, varnished so it was near impossible to change the way the coils were connected (they were all in series to begin with). At any rate, I found that the thing cogged pretty bad, takes a stiff breeze to get it spinning. I decided that my time would be better spent building a dual rotor axial machine similar to DanB's.

Dave

Re: ceilingfans to windmill....? (none / 0) (#2)
by 1 Roach on Fri Nov 7th, 2003 at 04:13:47 PM MST
(User Info)

thank's for the info.on the fan....i'm still looking to do something.maybe ( an alt} back to the board. thanks again.

Re: ceilingfans to windmill....? (none / 0) (#3)
by santi on Sat Nov 8th, 2003 at 08:52:48 AM MST
(User Info)

I rewired and add magnets to a ceilingfan, it had two phase 14 poles in a waved wound, i use 100 turns of about 0,5 mm wire, and add ceramic magnets. I have 12 v at about 120 rpm with to phase rectified and then in series, and the max. amp. i have seen is 1,5 amps, with neos sure can be more; with ceramic magnets its low cogging, but with neos can be higger; probably if you put a diferent number of magnets than poles diminish cogging.

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ceilingfans to windmill....? | 3 comments (3 topical, 0 editorial)

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