{
 "object": "thermoacoustic-heat-exchanger",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "heat-exchanger-hot-1.5in",
   "step": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-hot-1.5in.step",
   "stl": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-hot-1.5in.stl",
   "note": "hot heat exchanger for the 1.5 in spool: \u00d834.8 \u00d7 10 disc (the spool bore, exact), 1 mm outer ring, 0.4 mm plates at 1.4 mm pitch with 1 mm gas gaps (the spiral stack's channel); goes on the hot face of the stack"
  },
  {
   "name": "heat-exchanger-cold-1.5in",
   "step": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-cold-1.5in.step",
   "stl": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-cold-1.5in.stl",
   "note": "cold heat exchanger for the 1.5 in spool: \u00d834.8 \u00d7 10 disc (the spool bore, exact), 1 mm outer ring, 0.4 mm plates at 1.4 mm pitch with 1 mm gas gaps (the spiral stack's channel); goes on the cold face of the stack"
  },
  {
   "name": "heat-exchanger-hot-2in",
   "step": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-hot-2in.step",
   "stl": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-hot-2in.stl",
   "note": "hot heat exchanger for the 2 in spool: \u00d847.5 \u00d7 10 disc (the spool bore, exact), 1 mm outer ring, 0.4 mm plates at 1.4 mm pitch with 1 mm gas gaps (the spiral stack's channel); goes on the hot face of the stack"
  },
  {
   "name": "heat-exchanger-cold-2in",
   "step": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-cold-2in.step",
   "stl": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-cold-2in.stl",
   "note": "cold heat exchanger for the 2 in spool: \u00d847.5 \u00d7 10 disc (the spool bore, exact), 1 mm outer ring, 0.4 mm plates at 1.4 mm pitch with 1 mm gas gaps (the spiral stack's channel); goes on the cold face of the stack"
  },
  {
   "name": "heat-exchanger-hot-3in",
   "step": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-hot-3in.step",
   "stl": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-hot-3in.stl",
   "note": "hot heat exchanger for the 3 in spool: \u00d872.9 \u00d7 10 disc (the spool bore, exact), 1 mm outer ring, 0.4 mm plates at 1.4 mm pitch with 1 mm gas gaps (the spiral stack's channel); goes on the hot face of the stack"
  },
  {
   "name": "heat-exchanger-cold-3in",
   "step": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-cold-3in.step",
   "stl": "/files/hardware/thermoacoustic-heat-exchanger/heat-exchanger-cold-3in.stl",
   "note": "cold heat exchanger for the 3 in spool: \u00d872.9 \u00d7 10 disc (the spool bore, exact), 1 mm outer ring, 0.4 mm plates at 1.4 mm pitch with 1 mm gas gaps (the spiral stack's channel); goes on the cold face of the stack"
  }
 ]
}