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3.5" X 3/4" ceramic disc magnets.
By Jerry, Section Mechanical Posted on Mon Mar 19th, 2007 at 03:12:12 AM MST
Not sure what to do with these?

I pulled 18 of these magnets from the big speaker. They're solid, no hole in the middel.
I could cut them with my wet tile saw? They're kida big to put on a disc rotor uncut.
If I cut the in 4 they will have a sharp point at the bottom and rounded over at the top. That might be OK? However might make the coil a littel tuff to wind?
I gues this think tank will come up with something?

Its hard to see but there are 18 magnets stacked up here.
JK TAS Jerry

3.5" X 3/4" ceramic disc magnets. | 4 comments (4 topical, 0 editorial)

Re: 3.5" X 3/4" ceramic disc magnets. (3.00 / 0) (#1)
by RP (russp located-at fidnet (dot) com) on Sun Mar 18th, 2007 at 08:38:56 PM MST
(User Info)

Well Jerry, you've got enough there to do a dual rotor 9X27 3 phase unit with overlapping coils. As big and thick as they are you might have enough room to do the overlap on the inner and outer diameter without too much trouble.

Seems a shame to cut those huge things up.

Re: 3.5" X 3/4" ceramic disc magnets. (3.00 / 0) (#2)
by hiker (hiker.wild[at]yahoo[dot]com) on Sun Mar 18th, 2007 at 09:17:16 PM MST
(User Info)

hey jerry--try a big 8and6 dual rotor alt--powered by a vawt or standerd mill..
should make for some good power--lookin back wasnt your little lowes ceramic powered mill putting out close to 300 watts? no telling what those bigger mags might do..
WILD IN ALASKA
[ Parent ]

Re: 3.5" X 3/4" ceramic disc magnets. (3.00 / 0) (#3)
by willib (willibur at comcast dot net) on Tue Mar 20th, 2007 at 05:37:21 AM MST
(User Info) http://www.njwind.com/webcam.html#

jerry you could try this..

depending on the size of the cut , you could make Four , 1.25 " x 1.25" squares ?

each one would have just one corner that is rounded
Carpe Ventum (seize the wind)

Re: 3.5" X 3/4" ceramic disc magnets. (3.00 / 0) (#4)
by electrondady1 on Tue Mar 20th, 2007 at 07:58:52 AM MST
(User Info)

jerry , i've shure cut up a lot of ceramic mags.
i feel bad about every one of them.lol
but for me getting matching speaker mags is next to impossible.
if you don't want to use them hole then cut them in half for a "D" shapped pole.
the coils could be oval.
but you still get the advantage of a large mag with 3.5" legs.

remember jerry ,long legs are nice to play with!

3.5" X 3/4" ceramic disc magnets. | 4 comments (4 topical, 0 editorial)

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