{
 "object": "fpse-displacer-gas-spring",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "fpse-gas-spring-cylinder-18",
   "step": "/files/hardware/fpse-displacer-gas-spring/fpse-gas-spring-cylinder-18.step",
   "stl": "/files/hardware/fpse-displacer-gas-spring/fpse-gas-spring-cylinder-18.stl",
   "note": "gas-spring cylinder: Ø47.5 × 93.0 pressed into S6, blind Ø18 bore 88.0 deep, 3 × M3 tapped (Ø2.5 × 10) on r 16 in its bottom, four 0.75 vent flats on the OD"
  },
  {
   "name": "fpse-gas-spring-gland-18",
   "step": "/files/hardware/fpse-displacer-gas-spring/fpse-gas-spring-gland-18.step",
   "stl": "/files/hardware/fpse-displacer-gas-spring/fpse-gas-spring-gland-18.stl",
   "note": "gland plate: Ø47.5 × 10, Ø18 × 3 spigot into the cylinder's bore, Ø3 stinger bore (running fit), 3 × Ø3.4 on r 16"
  },
  {
   "name": "fpse-gas-spring-piston-18",
   "step": "/files/hardware/fpse-displacer-gas-spring/fpse-gas-spring-piston-18.step",
   "stl": "/files/hardware/fpse-displacer-gas-spring/fpse-gas-spring-piston-18.stl",
   "note": "gas-spring piston Ø18 × 25 (running fit in the cylinder), Ø3 × 10 stinger socket from below, M3 tapped radial hole (Ø2.5) at 5"
  }
 ]
}