{
 "object": "stirling-crankshafts",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "crankshaft-3x40",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-3x40.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-3x40.stl",
   "note": "Ø3 × 40 solid crankshaft for the crank head's 623 towers and the Ø3-bore crank discs; can engine skewer replacement"
  },
  {
   "name": "crankshaft-3x44",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-3x44.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-3x44.stl",
   "note": "Ø3 × 44 solid crankshaft for the crank head's 623 towers and the Ø3-bore crank discs; can engine skewer replacement"
  },
  {
   "name": "crankshaft-3x60",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-3x60.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-3x60.stl",
   "note": "Ø3 × 60 solid crankshaft for the crank head's 623 towers and the Ø3-bore crank discs; can engine skewer replacement"
  },
  {
   "name": "crankshaft-3x80",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-3x80.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-3x80.stl",
   "note": "Ø3 × 80 solid crankshaft for the crank head's 623 towers and the Ø3-bore crank discs; can engine skewer replacement"
  },
  {
   "name": "crankshaft-5x80-dflat",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-5x80-dflat.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-5x80-dflat.stl",
   "note": "Ø5 × 80 crankshaft with a full-length 0.5 mm D-flat (4.5 across) for the grubs; 625 crank stands, rhombic gears, crank discs, nut flywheel b5. Print flat side down"
  },
  {
   "name": "crankshaft-5x100-dflat",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-5x100-dflat.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-5x100-dflat.stl",
   "note": "Ø5 × 100 crankshaft with a full-length 0.5 mm D-flat (4.5 across) for the grubs; 625 crank stands, rhombic gears, crank discs, nut flywheel b5. Print flat side down"
  },
  {
   "name": "crankshaft-5x120-dflat",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-5x120-dflat.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-5x120-dflat.stl",
   "note": "Ø5 × 120 crankshaft with a full-length 0.5 mm D-flat (4.5 across) for the grubs; 625 crank stands, rhombic gears, crank discs, nut flywheel b5. Print flat side down"
  },
  {
   "name": "crankshaft-5x150-dflat",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-5x150-dflat.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-5x150-dflat.stl",
   "note": "Ø5 × 150 crankshaft with a full-length 0.5 mm D-flat (4.5 across) for the grubs; 625 crank stands, rhombic gears, crank discs, nut flywheel b5. Print flat side down"
  },
  {
   "name": "crankshaft-8x80-dflat",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-8x80-dflat.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-8x80-dflat.stl",
   "note": "Ø8 × 80 crankshaft with a full-length 0.5 mm D-flat (7.5 across); tri-clamp crank frame 608s, crank webs, flywheels b8. Print flat side down"
  },
  {
   "name": "crankshaft-8x100-dflat",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-8x100-dflat.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-8x100-dflat.stl",
   "note": "Ø8 × 100 crankshaft with a full-length 0.5 mm D-flat (7.5 across); tri-clamp crank frame 608s, crank webs, flywheels b8. Print flat side down"
  },
  {
   "name": "crankshaft-8x120-dflat",
   "step": "/files/hardware/stirling-shafts-and-rods/crankshaft-8x120-dflat.step",
   "stl": "/files/hardware/stirling-shafts-and-rods/crankshaft-8x120-dflat.stl",
   "note": "Ø8 × 120 crankshaft with a full-length 0.5 mm D-flat (7.5 across); tri-clamp crank frame 608s, crank webs, flywheels b8. Print flat side down"
  }
 ]
}