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Another one bites the dust | 6 comments (6 topical, editorial)

Re: Another one bites the dust (3.00 / 0) (#5)
by Flux on Sun May 25th, 2008 at 03:06:01 PM MST
(User Info)

I have only looked at this very quickly but it does look as though you get a better alternator with all magnets on a large disc and none on the other. There are mechanical issues to bear in mind such as the need for thicker discs for stability, problems of keeping them running true working with thinner stators without warping and also not wasting too much space in mechanical clearance between discs and stator but taking all these into account it look worth a serious thought.

Don't now go and make all these changes to your alternator for the blades you have without coming back. If you use all the magnets this way you may overpower the blades.

Flux

[ Parent ]

Re: Another one bites the dust (3.00 / 0) (#6)
by TheCasualTraveler (a.miklos@yahoo.com) on Sun May 25th, 2008 at 07:45:24 PM MST
(User Info) http://thecasualtraveler.com/wind.htm

Thanks a bunch Flux,

I will continue to use the alt I have built as a test alt for playing around with blades and will try smaller 3 and 5 blade props on it. It always was meant as an experiment and I have learned lots from it.

I'm going to pursue the other idea of the alt with 16 magnets and since it is single magnet rotor it will be easy to do test coils and such with before committing to the finished design. I'll come back to check my numbers before I pour a stator since I will need to get the # of turns, stator thickness, air gap, and blade diameter all in sync.

In your dept once again, Thanks,
Andy
[ Parent ]

Another one bites the dust | 6 comments (6 topical, 0 editorial)

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