The best fit round bar leaves air gaps at the outer edges so the magnetic field is focussed towards the centre which is generally good but the overall magnetic strength may be reduced due to fap roulette video the outer edges not saturating.
Clearly there is yet another trade off at work here as to how much focussing is beneficial to the trade off loss of overall magnetic field strength.
Equally clearly this can be adjusted by the shape of the clamping and core pieces your guess is as good as mine!Usually the pole ultima squadra italiana a vincere la coppa uefa pieces focus down to the blank and the tips conform to the shape of the blank (re: earlier comments about air gaps being bad news to magnetic circuit strength) typically clamping the blank in place with no clearance whatsoever.So zero torque on the dyno means the disk is no longer accelerating so its missing the torque driving aerodynamic, and brush and bush friction but overall that would only result in a stretching out of the above graphic and therefore does not detract from.Every Bentley can be tailored exactly to the buyer's tastes, but that didn't stop the company from creating a limited-edition trim level that enhances the interior and exterior of the Bentayga.If you dont remove the brushes there is likely to be a large electrical short (of the pulsed induced voltage into the windings) which can damage the commutator and brushes).The EMP (electromagnetic pulse) given off when the zapper is fired is potentially hazardous.The sensor will provide a voltage of about 3V when a car passes over it and about 2V without a magnetic field.Additionally, the armature will become polarised but this is not a problem as it is demagnetised in the first few revolutions once it is spun up by the rapid cycling of the poles.This can generally be done in a number of ways: 1) For the coil type (shown above the can and magnets (without endbell nd armature) with a core plug between the magnets is placed into a non-magnetic (plastic) holder to secure the assembly in the middle.Mild steel is a poor substitute (but it works fine on ferrite-ceramic types).Note: The iron slug should always be made out of high permeability 4 Silicone-Iron.Can and holder are then loaded into the coil.
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The armature, clearance, and radius mismatch all have a role to play here.
With this type of zapper you do not have the ability to zap a mounted or assembled motor (never a good idea in any case) but they are way cheaper and more convenient to carry around than a hard pole type (which typically weigh 10-20kg).Below a typical slot car zapper note plastic holder for the motor can (axle side North up).I suspect the focussed field was less troubled by underbrush shorts but the focussed field narrowed down the timing sweet spot.Particularly note the two crescent slivers because of the magnet face radius being bigger than the blank radius non-coherent centres. .In the RH drawing the material to be removed is shaded in green.Circuit diagram: AFX Slot Car Lap Counter Circuit Diagram.Note: Zapping a magnet generally restores it to its original desired saturated condition; it will not make the magnet stronger as such.See later, the inner slug can be slightly smaller and the clamps flat faced which will focus the field towards the centre of the magnet.A "hard pole" type magnet zapper 3) As mentioned above, you can do one magnet at a time (with appropriate pole pieces) the gain of a slight increace in magnetic pulse (due to a shorter magnetic circuit) does not necessarily result in a more powerful magnet.Since your zapper will have limited power we want to get as much out of this as possible so use high permeability iron, make the non-concentric outer radii to suit (the best fit diameter is less than optimum here but you can do that for.Some magnet formulation such as NIB (Neodymium-Iron-Boron) can be zapped to much higher magnetic strengths than say a ceramic-ferrite type but the ceramic-ferrite type is less susceptible to fade and more resistant to heat than the NIB, so its a case of selecting what.