{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "mug-ltd-rod-clevis",
 "name": "Displacer-rod clevis for a Ø2 rod, pin 51.5 up",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Stirling & thermoacoustic",
 "year": null,
 "question": "How do I join a 2 mm displacer rod to a con-rod?",
 "tags": [
  "clevis",
  "displacer rod",
  "con-rod",
  "stirling",
  "long earth society"
 ],
 "aliases": [
  "displacer rod connector",
  "2mm rod clevis"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": true,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/mug-ltd-rod-clevis/",
 "sheet_txt": "https://xemstudio.com/objects/mug-ltd-rod-clevis/sheet.txt",
 "sheet": {
  "basis": "My geometry: a Ø2 socket for the rod and the same 12 × 12 fork as the plunger clevis",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Ø8 shank with a Ø2 × 10 socket from the bottom (the rod presses in), fork with a 5 mm slot and a Ø3 pin hole 51.5 above the bottom; on the mug LTD it carries rod-2x100's top to the height of the plunger clevis's pin, so both con-rods are 45 long."
  ],
  "table": {
   "columns": [
    "feature",
    "size_mm"
   ],
   "rows": [
    [
     "rod socket",
     "Ø2 × 10"
    ],
    [
     "pin height",
     51.5
    ],
    [
     "fork",
     "12 × 12, slot 5"
    ]
   ]
  }
 },
 "sheet_text": "Displacer-rod clevis for a Ø2 rod, pin 51.5 up — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/mug-ltd-rod-clevis/  (CC BY 4.0)\nBasis: My geometry: a Ø2 socket for the rod and the same 12 × 12 fork as the plunger clevis\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Ø8 shank with a Ø2 × 10 socket from the bottom (the rod presses in), fork with a 5 mm slot and a Ø3 pin hole 51.5 above the bottom; on the mug LTD it carries rod-2x100's top to the height of the plunger clevis's pin, so both con-rods are 45 long.\n\nfeature  size_mm\nrod socket  Ø2 × 10\npin height  51.5\nfork  12 × 12, slot 5\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Long Earth Society: Engine builds — web, video — LES site — https://longearthsociety.com/engineering/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/mug-ltd-rod-clevis/index.json\nAPI: https://xemstudio.com/api/geometry?object=mug-ltd-rod-clevis\n",
 "sources": [
  {
   "publisher": "Long Earth Society",
   "title": "Engine builds",
   "url": "https://longearthsociety.com/engineering/",
   "formats": [
    "web",
    "video"
   ],
   "license": "LES site",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "list-ltd-mug",
  "ltd-bottom-plate",
  "ltd-top-plate",
  "glass-syringes"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [
  {
   "feature": "rod socket",
   "exact": "Ø2 × 10",
   "mates": "Ø2 displacer rod",
   "fit": "press",
   "files": "all"
  },
  {
   "feature": "fork slot",
   "exact": "5",
   "mates": "5 mm con-rod",
   "fit": "run",
   "files": "all"
  },
  {
   "feature": "pin hole",
   "exact": "Ø3",
   "mates": "dowel-3x12",
   "fit": "press",
   "files": "all"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. Typical FDM: hole +0.0 to +0.1 mm on diameter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. Typical FDM: +0.2 mm.",
  "run": "turns or slides in use: pin in a link, rod through a guide. Typical FDM: +0.3 mm.",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. Typical FDM: +0.3 mm.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "What joins the displacer rod to the con-rod on the mug LTD?",
   "a": "This clevis: rod in its Ø2 socket, con-rod on a dowel-3x12 through its fork."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "rod-clevis-2mm-p51",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/mug-ltd-rod-clevis/rod-clevis-2mm-p51.step",
   "stl": "https://xemstudio.com/files/hardware/mug-ltd-rod-clevis/rod-clevis-2mm-p51.stl",
   "note": "displacer-rod clevis: Ø8 shank with a Ø2 × 10 socket for the 2 mm rod, 12 × 12 fork (5 mm slot) with a Ø3 pin hole 51.5 above its bottom"
  }
 ],
 "markdown": "https://xemstudio.com/objects/mug-ltd-rod-clevis/index.md"
}