{
 "object": "thermoacoustic-stack-section-spools",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "spool-2in-48.65mm",
   "step": "/files/hardware/thermoacoustic-stack-section-spools/spool-2in-48.65mm.step",
   "stl": "/files/hardware/thermoacoustic-stack-section-spools/spool-2in-48.65mm.stl",
   "note": "2 in × 48.65 mm clamp × clamp spool, ISO 2852 faces both ends, Ø47.5 bore: the stack section for a 30 mm stack (stack-spiral-2in-30-g1.0), the ambient exchanger and the 9.8 end spacer"
  },
  {
   "name": "spool-2in-58.65mm",
   "step": "/files/hardware/thermoacoustic-stack-section-spools/spool-2in-58.65mm.step",
   "stl": "/files/hardware/thermoacoustic-stack-section-spools/spool-2in-58.65mm.stl",
   "note": "2 in × 58.65 mm clamp × clamp spool, ISO 2852 faces both ends, Ø47.5 bore: the stack section for a 40 mm stack (stack-spiral-2in-40-g1.0), the ambient exchanger and the 9.8 end spacer"
  },
  {
   "name": "spool-2in-68.65mm",
   "step": "/files/hardware/thermoacoustic-stack-section-spools/spool-2in-68.65mm.step",
   "stl": "/files/hardware/thermoacoustic-stack-section-spools/spool-2in-68.65mm.stl",
   "note": "2 in × 68.65 mm clamp × clamp spool, ISO 2852 faces both ends, Ø47.5 bore: the stack section for a 50 mm stack (stack-spiral-2in-50-g1.0), the ambient exchanger and the 9.8 end spacer"
  }
 ]
}