{
 "object": "linear-alternator-bobbin",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "alt-bobbin-37-2x10",
   "step": "/files/hardware/linear-alternator-kit/alt-bobbin-37-2x10.step",
   "stl": "/files/hardware/linear-alternator-kit/alt-bobbin-37-2x10.stl",
   "note": "bobbin: Ø37 bore (1 mm air gap to the mover), two 10 mm bays split by a 2 mm divider with a crossover notch, 30 long, slides into the back-iron sleeve"
  }
 ]
}