I have a magnetic knife rack which is mounted inside a cupboard door.
The knives are not as securely held as I would like. What is the best distance and orientation for a second magnetic rack placed parallel to the first one in order to help hold the same set of knives as firmly as possible? I can't tell by hand.
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The picture above shows two long magnets on a knife rack and each is sandwiched between two strips of metal. I *GUESS* one long thin surface of a metal strip is N and the other is S. (Is this correct?)
Each rack has two long magnets about an inch apart and maybe they are aligned in a particular way such as "N+S N+S" (going from one side of the knife rack to the other). Or could it be "N+S S+N"?
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Based on maximising the magnetic holding power of a knife placers across both racks:
(1) How close to the first rack should the second rack be placed?
(2) Does it matter which type of magnetic pole on one rack is nearest a particular magnetic pole on the other rack? Or is the distance of the two racks (from question 1 above) too great for the magnetism of one to influence the other even when a knife is places across all the metal strips?
Thank you for any info. Chrish
[X-posted: physics, mech eng, DIY]