Chris
At 04:39 PM 3/16/98 -0700, you wrote:
>mbgupta@julian.uwo.ca wrote:
>>
>> What size and strength are the magnets? Apparently, the size of the magnet
>> has a bearing on the depth of penetration its not clear to me how this
>> relates to the strength of the magnet. Davis & Rawls talk about this and
>> explain why it should work.
>>
>> Chris Gupta
>
>Hi Chris
>According to my trials with magnets and discussions with Dr Bonlie
>(Magnetico) the absence of South pole is critical. A strong magnet does
>not necessary have a much deeper field (the stronger is the flux, the
>faster it want to joint with opposite pole). To ovoid south pole to
>penetrate into the cylinder one has to cover it in a grid fashion. If
>one has small magnets then there will be more of them. The distance
>between each magnets is the maximum one you can allow without letting
>the south pole "slip" in between. Strong neodymium are not necessarily
>better in a cylinder or matress but can do wanders on a finger/toe
>injury.
>
>Mathias
>
Chris Gupta
mbgupta@julian.uwo.ca