 Phase shift for multiable coils
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Sulaiman
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Registered Member #162
Joined: Mon Feb 13 2006, 10:25AM
Location: United Kingdom
Posts: 3140
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Since both types of magnet have the same pole face area (3" x1.5")
their relative magnetic energies are 3/4" x 52 : 1/2" x 42 = 39 : 21 = 1.857 : 1
so the N52 magnet is capable of producing 1.857 x the magnetic field energy vs. the N42
but the cost is 113.13 : 57.87 = 1.954 x the cost.
So for a given (flux density) x (area) x (gap length) the N42 magnets would be more economical.
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Andy
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Registered Member #4266
Joined: Fri Dec 16 2011, 03:15AM
Location:
Posts: 874
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Thanks for that, searching google find a link to the same site that gives magfield sstrength at a distance from the magnetics.
Been thinking and I know that power in equals power out, but would charging up a capacitor then discharging it, be more effeicent than a high voltage source but contious low amps?
The first 0.0_0.5RC has most of the voltage and amps, with a charge up of 3RC to full....
Cheers Sulaiman
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