{
 "object": "ltd-coffee-cup-engine-kit",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "ltd-100-bottom-plate-template",
   "step": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-100-bottom-plate-template.step",
   "stl": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-100-bottom-plate-template.stl",
   "note": "bottom plate template \u00d8120 \u00d7 3 (cut aluminium to this; the printed one is for layout), 6 \u00d7 M3"
  },
  {
   "name": "ltd-100-chamber-ring-h16",
   "step": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-100-chamber-ring-h16.step",
   "stl": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-100-chamber-ring-h16.stl",
   "note": "chamber ring \u00d8100 bore \u00d7 16 tall, 10 mm wall, 6 \u00d7 M3; the displacer runs inside"
  },
  {
   "name": "ltd-100-displacer-foam-template",
   "step": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-100-displacer-foam-template.step",
   "stl": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-100-displacer-foam-template.stl",
   "note": "displacer template \u00d896 \u00d7 8 (cut from foam; 2 mm radial gap)"
  },
  {
   "name": "ltd-100-top-plate-syringe",
   "step": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-100-top-plate-syringe.step",
   "stl": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-100-top-plate-syringe.stl",
   "note": "top plate \u00d8120 with 3/32 in rod guide boss on centre and a 10 mL syringe socket as the power cylinder"
  },
  {
   "name": "ltd-150-bottom-plate-template",
   "step": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-150-bottom-plate-template.step",
   "stl": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-150-bottom-plate-template.stl",
   "note": "bottom plate template \u00d8170 \u00d7 3 (cut aluminium to this; the printed one is for layout), 6 \u00d7 M3"
  },
  {
   "name": "ltd-150-chamber-ring-h16",
   "step": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-150-chamber-ring-h16.step",
   "stl": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-150-chamber-ring-h16.stl",
   "note": "chamber ring \u00d8150 bore \u00d7 16 tall, 10 mm wall, 6 \u00d7 M3; the displacer runs inside"
  },
  {
   "name": "ltd-150-displacer-foam-template",
   "step": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-150-displacer-foam-template.step",
   "stl": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-150-displacer-foam-template.stl",
   "note": "displacer template \u00d8146 \u00d7 8 (cut from foam; 2 mm radial gap)"
  },
  {
   "name": "ltd-150-top-plate-syringe",
   "step": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-150-top-plate-syringe.step",
   "stl": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-150-top-plate-syringe.stl",
   "note": "top plate \u00d8170 with 3/32 in rod guide boss on centre and a 10 mL syringe socket as the power cylinder"
  },
  {
   "name": "ltd-crank-stand-pair",
   "step": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-crank-stand-pair.step",
   "stl": "/files/hardware/ltd-coffee-cup-engine-kit/ltd-crank-stand-pair.stl",
   "note": "crank stand 45 mm tall with a 623 pocket (print two)"
  }
 ]
}