{
 "object": "tri-clamp-free-piston-kit",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "fp-flexure-head-1.5in",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-head-1.5in.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-head-1.5in.stl",
   "note": "1.5 in flexure head: ISO 2852 cap face, \u00d838.1 pedestal clearing the clamp, \u00d876 plate with a \u00d860 \u00d7 1 pocket (= flexure OD) and 3 \u00d7 M3 (\u00d83.4) on the \u00d860 flexure's rim holes; the piston's stack A bolts on it"
  },
  {
   "name": "fp-flexure-ring-60",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-ring-60.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-ring-60.stl",
   "note": "\u00d876 ring for stack B (displacer rod) on 3 \u00d7 M3 standoffs above the head: \u00d860 \u00d7 1 flexure pocket, 3 \u00d7 \u00d83.4"
  },
  {
   "name": "hub-collar-60-b5",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-60-b5.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-60-b5.stl",
   "note": "split hub collar \u00d813.2 \u00d7 5, \u00d85 bore, tapped M3 pinch: clamps the leaf hub on the 5 mm tube rod (two per stack)"
  },
  {
   "name": "hub-collar-60-b3",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-60-b3.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-60-b3.stl",
   "note": "split hub collar \u00d813.2 \u00d7 5, \u00d83 bore, tapped M3 pinch: clamps the leaf hub on the \u00d83 displacer rod (two per stack)"
  },
  {
   "name": "hub-bush-60-b3",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-bush-60-b3.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-bush-60-b3.stl",
   "note": "centring bush \u00d85 OD \u00d7 \u00d83 ID \u00d7 14: centres the \u00d860 leaves (\u00d85 hub bore) on the \u00d83 displacer rod; or a 4 mm K&S tube sleeved on the rod"
  },
  {
   "name": "fp-piston-plug-1.5in",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-1.5in.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-1.5in.stl",
   "note": "1.5 in piston plug: drops into the open skirt, two \u00d83 \u00d7 16 wrist dowels through its legs at 17.6 mm retain it, \u00d85 tube socket 15 deep, \u00d83.4 clearance for the displacer rod (it runs in the crown bushing, not here)"
  },
  {
   "name": "fp-flexure-head-2in",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-head-2in.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-head-2in.stl",
   "note": "2 in flexure head: ISO 2852 cap face, \u00d850.8 pedestal clearing the clamp, \u00d896 plate with a \u00d880 \u00d7 1 pocket (= flexure OD) and 3 \u00d7 M3 (\u00d83.4) on the \u00d880 flexure's rim holes; the piston's stack A bolts on it"
  },
  {
   "name": "fp-flexure-ring-80",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-ring-80.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-ring-80.stl",
   "note": "\u00d896 ring for stack B (displacer rod) on 3 \u00d7 M3 standoffs above the head: \u00d880 \u00d7 1 flexure pocket, 3 \u00d7 \u00d83.4"
  },
  {
   "name": "hub-collar-80-b5",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-80-b5.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-80-b5.stl",
   "note": "split hub collar \u00d817.6 \u00d7 5, \u00d85 bore, tapped M3 pinch: clamps the leaf hub on the 5 mm tube rod (two per stack)"
  },
  {
   "name": "hub-collar-80-b3",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-80-b3.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-80-b3.stl",
   "note": "split hub collar \u00d817.6 \u00d7 5, \u00d83 bore, tapped M3 pinch: clamps the leaf hub on the \u00d83 displacer rod (two per stack)"
  },
  {
   "name": "hub-bush-80-b3",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-bush-80-b3.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-bush-80-b3.stl",
   "note": "centring bush \u00d85 OD \u00d7 \u00d83 ID \u00d7 14: centres the \u00d880 leaves (\u00d85 hub bore) on the \u00d83 displacer rod; or a 4 mm K&S tube sleeved on the rod"
  },
  {
   "name": "fp-piston-plug-2in",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-2in.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-2in.stl",
   "note": "2 in piston plug: drops into the open skirt, two \u00d83 \u00d7 16 wrist dowels through its legs at 23.5 mm retain it, \u00d85 tube socket 15 deep, \u00d83.4 clearance for the displacer rod (it runs in the crown bushing, not here)"
  },
  {
   "name": "fp-flexure-head-3in",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-head-3in.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-head-3in.stl",
   "note": "3 in flexure head: ISO 2852 cap face, \u00d876.2 pedestal clearing the clamp, \u00d8116 plate with a \u00d8100 \u00d7 1 pocket (= flexure OD) and 3 \u00d7 M3 (\u00d83.4) on the \u00d8100 flexure's rim holes; the piston's stack A bolts on it"
  },
  {
   "name": "fp-flexure-ring-100",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-ring-100.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-flexure-ring-100.stl",
   "note": "\u00d8116 ring for stack B (displacer rod) on 3 \u00d7 M3 standoffs above the head: \u00d8100 \u00d7 1 flexure pocket, 3 \u00d7 \u00d83.4"
  },
  {
   "name": "hub-collar-100-b5",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-100-b5.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-100-b5.stl",
   "note": "split hub collar \u00d822 \u00d7 5, \u00d85 bore, tapped M3 pinch: clamps the leaf hub on the 5 mm tube rod (two per stack)"
  },
  {
   "name": "hub-collar-100-b3",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-100-b3.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-collar-100-b3.stl",
   "note": "split hub collar \u00d822 \u00d7 5, \u00d83 bore, tapped M3 pinch: clamps the leaf hub on the \u00d83 displacer rod (two per stack)"
  },
  {
   "name": "hub-bush-100-b3",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-bush-100-b3.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-bush-100-b3.stl",
   "note": "centring bush \u00d88 OD \u00d7 \u00d83 ID \u00d7 14: centres the \u00d8100 leaves (\u00d88 hub bore) on the \u00d83 displacer rod; or a 4 mm K&S tube sleeved on the rod"
  },
  {
   "name": "hub-bush-100-b5",
   "step": "/files/hardware/tri-clamp-free-piston-kit/hub-bush-100-b5.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/hub-bush-100-b5.stl",
   "note": "centring bush \u00d88 \u00d7 \u00d85 \u00d7 14: centres the \u00d8100 leaves on the 5 mm tube piston rod"
  },
  {
   "name": "fp-piston-plug-3in",
   "step": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-3in.step",
   "stl": "/files/hardware/tri-clamp-free-piston-kit/fp-piston-plug-3in.stl",
   "note": "3 in piston plug: drops into the open skirt, two \u00d83 \u00d7 16 wrist dowels through its legs at 37.0 mm retain it, \u00d85 tube socket 15 deep, \u00d83.4 clearance for the displacer rod (it runs in the crown bushing, not here)"
  }
 ]
}