{
 "object": "round-belt-generator-drive",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "crank-pulley-84-b8",
   "step": "/files/hardware/round-belt-generator-drive/crank-pulley-84-b8.step",
   "stl": "/files/hardware/round-belt-generator-drive/crank-pulley-84-b8.stl",
   "note": "crank pulley Ø84 × 6 with a Ø5 round-belt groove on pitch Ø80, hub Ø20 × 19.5, Ø8 bore, M4 tapped hub hole"
  },
  {
   "name": "generator-pulley-2208-pd13.33",
   "step": "/files/hardware/round-belt-generator-drive/generator-pulley-2208-pd13.33.step",
   "stl": "/files/hardware/round-belt-generator-drive/generator-pulley-2208-pd13.33.stl",
   "note": "generator pulley for a 2208 rotor top: flange Ø24 × 3 with 4 × Ø2.4 (12 × 12), neck Ø8, pulley Ø16 × 8 with a Ø5 groove on pitch Ø13.33"
  },
  {
   "name": "round-belt-5-c90",
   "step": "/files/hardware/round-belt-generator-drive/round-belt-5-c90.step",
   "stl": "/files/hardware/round-belt-generator-drive/round-belt-5-c90.stl",
   "note": "Ø5 round belt on pitch circles Ø80 and Ø13.33 at 90 centres: 339.1 mm long on its centre line"
  },
  {
   "name": "round-belt-5-c130",
   "step": "/files/hardware/round-belt-generator-drive/round-belt-5-c130.step",
   "stl": "/files/hardware/round-belt-generator-drive/round-belt-5-c130.stl",
   "note": "Ø5 round belt on pitch circles Ø80 and Ø13.33 at 130 centres: 415.2 mm long on its centre line"
  }
 ]
}