Circular Halbach Array

Circular Halbach Array Kit - rare earth magnets

Circular Halbach Array Kit - rare earth magnets Circular Halbach Array Kit - rare earth magnets


What is a Halbach array? A Halbach array is a special arrangement of permanent magnets which increases the magnetic field on one side of the device while cancelling the field to near zero on the other side. It is the closest you can get to a one-pole/monopole magnet. In the diagram below, the magnetic field is enhanced on the bottom side and cancelled on the top side (a one-sided flux).

    The kit includes:
  • Aluminium magnet case
  • 12 very strong rare earth magnets (cube shaped)
  • 12 grub screws to hold magnets in place (in some cases a spare maybe provided)
  • Alan key to tighten grub screws
  • Magnetic field viewer card
  • Instructions

Note: We have made these kits to be as simple to assemble as possible. It is much easier/stronger than gluing magnets. But assembly still requires a person with good dexterity . Be careful as the magnets are strong and can pinch the skin or fly away from one another.

Outer diameter is: 46.5mm
Inner diameter is: 24.5mm




video play button


Price: £34.99 in



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Ideal for ages 14+.
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