Magnets worked a treat. I use a seat magnet on a sculling boat to tell the speed (with a reed switch). A change in the set up of the boat moved the magnet 5mm further away and stopped the kit working.
For months I have been trying all sorts of solutions,"
July 31, 2013
Been trying to make a nice small alternator for my 1/3 scale steam wagon. Used four of these magnets on the rotor and finally got results without having to wind thousands of turns for the stator! Unbelievable gauss figures for something so small!!
July 29, 2013
This item is absolutely awesome had loads of fun with it however it is not a toy it can be very dangerous. Overall very impressed!