{
 "object": "htd-crank-linkage",
 "license": "CC BY 4.0, Xem Studio",
 "files": [
  {
   "name": "crank-web-r8-b12",
   "step": "/files/hardware/htd-crank-linkage/crank-web-r8-b12.step",
   "stl": "/files/hardware/htd-crank-linkage/crank-web-r8-b12.stl",
   "note": "crank web, hub type: disc R12 × 6 with a Ø5 pin at r 4 (8 displacer stroke), hub Ø24 × 8, Ø12 bore in the hub only, M4 tapped radial hole"
  },
  {
   "name": "crank-web-link-r8-r20",
   "step": "/files/hardware/htd-crank-linkage/crank-web-link-r8-r20.step",
   "stl": "/files/hardware/htd-crank-linkage/crank-web-link-r8-r20.stl",
   "note": "link web 6 thick: Ø5 displacer pin at r 4 and Ø5 piston pin at r 20, 90° apart"
  },
  {
   "name": "crank-web-r20-b12",
   "step": "/files/hardware/htd-crank-linkage/crank-web-r20-b12.step",
   "stl": "/files/hardware/htd-crank-linkage/crank-web-r20-b12.stl",
   "note": "crank web, hub type: disc R28 × 6 with a Ø5 pin at r 20 (40 piston stroke), hub Ø24 × 8, Ø12 bore through, M4 tapped radial hole"
  },
  {
   "name": "conrod-60-625",
   "step": "/files/hardware/htd-crank-linkage/conrod-60-625.step",
   "stl": "/files/hardware/htd-crank-linkage/conrod-60-625.stl",
   "note": "con-rod 60 centres, 5 thick, Ø16 pockets for 625 bearings, eyes Ø22"
  },
  {
   "name": "conrod-237-625",
   "step": "/files/hardware/htd-crank-linkage/conrod-237-625.step",
   "stl": "/files/hardware/htd-crank-linkage/conrod-237-625.stl",
   "note": "con-rod 237 centres, 5 thick, Ø16 pockets for 625 bearings, eyes Ø22"
  },
  {
   "name": "rod-clevis-6-pin5",
   "step": "/files/hardware/htd-crank-linkage/rod-clevis-6-pin5.step",
   "stl": "/files/hardware/htd-crank-linkage/rod-clevis-6-pin5.stl",
   "note": "rod clevis: 13 × 14 × 41 block, slot 6 wide for a 5 con-rod, Ø5 pin bore, Ø6 rod socket 14 deep, M4 tapped radial hole"
  },
  {
   "name": "shaft-12x76",
   "step": "/files/hardware/htd-crank-linkage/shaft-12x76.step",
   "stl": "/files/hardware/htd-crank-linkage/shaft-12x76.stl",
   "note": "Ø12 × 76 crankshaft, −X (main): blind-cap 6001 to web A's hub"
  },
  {
   "name": "shaft-12x210",
   "step": "/files/hardware/htd-crank-linkage/shaft-12x210.step",
   "stl": "/files/hardware/htd-crank-linkage/shaft-12x210.stl",
   "note": "Ø12 × 210 crankshaft, +X: web C, two 6001, the seal, gear and flywheel"
  }
 ]
}