{
 "object": "stirling-clearance-seal-pistons",
 "license": "CC BY 4.0, Xem Studio",
 "les": "https://longearthsociety.com/engineering/",
 "files": [
  {
   "name": "piston-48-gamma-m8",
   "step": "/files/hardware/stirling-clearance-seal-pistons/piston-48-gamma-m8.step",
   "stl": "/files/hardware/stirling-clearance-seal-pistons/piston-48-gamma-m8.stl",
   "note": "clearance-seal piston Ø48.00 × 34: crown 6, skirt 3, boss Ø18 with an M8 tapped (Ø6.8) socket z 8–20 for the rod"
  },
  {
   "name": "piston-48-beta-gland",
   "step": "/files/hardware/stirling-clearance-seal-pistons/piston-48-beta-gland.step",
   "stl": "/files/hardware/stirling-clearance-seal-pistons/piston-48-beta-gland.stl",
   "note": "clearance-seal piston Ø48.00 × 34 for a beta: Ø10 × 10 gland seat at the crown (6 × 10 × 10 bushing, the displacer rod's gland), Ø7 on, M10 × 1 tapped (Ø9.0) socket z 14–30 for the hollow rod"
  }
 ]
}