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Finally starting plans on a new genny! | 16 comments (16 topical, 0 editorial)
Re: Finally starting plans on a new genny! (3.00 / 0) (#11)
by vawtman (vawtman(at)charter(dot)net) on Sat Aug 9th, 2008 at 08:42:31 AM MST
(User Info)

 I would just go with 24 1x2x1/2 mags(per your last drawing) and have a rotating band of steel with no mags.
 I've had thoughts for a small vawt of just using a pulley and attaching a steel band of the apropriate thickness and width to it.Then another band from that(no mags) rotating has one.
 Heck for only 5a you may get away with one coil(Eds idea).

 P.s Is your mail working?

Mark

[ Parent ]



Re: Finally starting plans on a new genny! (3.00 / 0) (#12)
by Jeff (ruralmcguyver at yahoo dot com) on Sat Aug 9th, 2008 at 10:18:11 AM MST
(User Info)

Did I mention the 48 1 x 1 x 1/4 ones I can get in N48? For all 96 (inner & outer)the set is only $120!!! But after drawing the thing up, I realized where you may be coming from. With the 2x1x1/2 ones mounted long-ways on the ID, it takes 24 of them. I can get them in N45 here for about $100.

http://www.magnet4less.com/product_info.php?products_id=62

Then, if it doesn't produce enough with just the "single rotor", I could always add the inner rotor later. Just as a single rotor though, I'd have twice as many mags as most radials do. THEN, If the thing works half-way decent at all, I should put out some serious power! For the size & construction though, it would always be limited to not much more than 300rpm.

Mark: You'll have to explain a little more about the band w/no mags. Yes, my email is working. ruralmcguyver at yahoo dot com

I am able to manage all my electric needs (and then some) with a steady 3amps input into my battery bank. I have 6 12v 115amp/hr batteries now!!! This isn't counting what I'm getting from my 45watt H.F. solar panels. So...I figure the 5amp figure I was shooting for with this gennie was a good-safe goal.

I appreciate all your help on this. Even though I enjoy doing this kind of thing, it is kind of a 1-shot deal, at least for a year or so. So it's not like if the mags I buy don't work, I can set them aside to use on another project & buy some more.

For now, it looks like the 1x2x1/2 ones are pretty sure. If I do have to add the inner rotor though, it'll take me another year to save up for them.

Thanks again everyone!
Rural McG
[ Parent ]



Re: Finally starting plans on a new genny! (3.00 / 0) (#13)
by vawtman (vawtman(at)charter(dot)net) on Sat Aug 9th, 2008 at 12:14:49 PM MST
(User Info)

Oops your mags were wider so the 1x2s would be 36pl for that diameter in my opinion.

[ Parent ]


Re: Finally starting plans on a new genny! (3.00 / 0) (#14)
by Jeff (ruralmcguyver at yahoo dot com) on Sat Aug 9th, 2008 at 04:02:14 PM MST
(User Info)

36 Places???
i WENT BACK TO THE DRAWING BOARD. Crap! sorry about the caps! Anyway, it looks like 24 mags on the I.D. of the larger 19 3/8 pan. I still think this may be the best setup for me. As long as I cross my fingers and get 3-5 amps out with just the "single rotor" config., the future addition of an inner rotor would be gravy. Here's a pic:
http://www.otherpower.com/images/scimages/9063/Generator_v1C_24_Mags_Main_View.jpg

I left the 0.3inch gap between the mags because of the smallest gap on the future possibility of an inner rotor. Obviously the dimensions of a coil will have to be made to match up with an exact coil/mag config with every 3rd coil.

Thanks again!
Rural McG
[ Parent ]



Finally starting plans on a new genny! | 16 comments (16 topical, 0 editorial)

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