once a magnet is cracked or even slightly chipped. They will begin to swell, fall apart. i always order extra magnets just for this reason. best thing you can do is not even think of using that cracked magnet.
You guys are spoilt for choice when it comes to absolutely everything, I bought mine from aliexpress years ago. They sure are strong, strong enough to warrant safety glasses, I got glass I my eye vacuuming broken glass and magnets move a whole lot faster than glass flicked up when vacuuming
vadivelan ellappan the rotor size is 333.375mm. go look at my building a staor to see how important the grouping of coil's are. Please show us you build also😃
