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Magnet Strength
By franknbuger, Section Homebrewed Electricity Posted on Mon May 31st, 2004 at 11:36:38 AM MST
Do the magnet add

Hello. I am a little confused, as is normal for me.I dont know which magnets to buy.In the past I got the n38 neos 1" x 1/2" x 1/8" and stacked them as needed to fit.It looks like the thickness should be 3/8",to fit the genny, I am working on now.The question is do the magnets add their strenth to each other,when stacked,or would it be better to buy the thicker magnets to begin with.
Please Advise. Frankenbuger

Magnet Strength | 2 comments (2 topical, 0 editorial)

Re: Magnet Strenth (none / 0) (#1)
by KHB1 on Mon May 31st, 2004 at 02:09:05 PM MST
(User Info)

Franknbuger
Magnets in series do not add equaly, 1 magnet1/8"=100% 2 magnets total 1/4"=130% 3 magnets total 3/8"=160%. Some post this week had a UK magnet site with figures on adding additional magnets Im pretty sure 30% each additional magnet adds. Better to use 1 magnet 1/4" thick than 3 @1/8"
Best of luck
Cecil
As you slide down the banister of life may the splinters point the other way.

Re: Magnet Strenth (none / 0) (#2)
by Sammy on Mon May 31st, 2004 at 02:13:18 PM MST
(User Info)

In my tests stacking two magnets gave only ~20% increase in performance. I got better results by placing two magnets adjacent so that the magnet area is increased. This gave ~40% increase.

Note! These results are with hdd-magnets (2 pole in one magnet). Results can be very different with other kind of magnets.

-Sammy

Magnet Strength | 2 comments (2 topical, 0 editorial)

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