{
 "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": "tri-clamp-charged-beta-frame",
 "name": "Frame for the charged tri-clamp beta",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Stirling & thermoacoustic",
 "year": null,
 "question": "What frame holds a standing tri-clamp beta over a torch?",
 "tags": [
  "frame",
  "stand",
  "tri-clamp",
  "stirling",
  "long earth society"
 ],
 "aliases": [
  "stirling beta frame tri clamp"
 ],
 "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/tri-clamp-charged-beta-frame/",
 "sheet_txt": "https://xemstudio.com/objects/tri-clamp-charged-beta-frame/sheet.txt",
 "sheet": {
  "basis": "Design values; torch-stand and shroud hole pattern as the sealed generator's frame",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Base and wall: the column hangs from two spool hangers on the power cylinder; the burner shroud and torch stand use the sealed generator's hole pattern."
  ],
  "table": {
   "columns": [
    "feature",
    "value"
   ],
   "rows": [
    [
     "base",
     "260 × 170 × 8"
    ],
    [
     "wall",
     "x ±62, to z 316"
    ]
   ]
  }
 },
 "sheet_text": "Frame for the charged tri-clamp beta — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/tri-clamp-charged-beta-frame/  (CC BY 4.0)\nBasis: Design values; torch-stand and shroud hole pattern as the sealed generator's frame\nCatalog version: 2026-10-20\n\nSizes: see table below\n- Base and wall: the column hangs from two spool hangers on the power cylinder; the burner shroud and torch stand use the sealed generator's hole pattern.\n\nfeature  value\nbase  260 × 170 × 8\nwall  x ±62, to z 316\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/tri-clamp-charged-beta-frame/index.json\nAPI: https://xemstudio.com/api/geometry?object=tri-clamp-charged-beta-frame\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-tri-clamp-charged-beta"
 ],
 "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": "hanger holes",
   "exact": "4 × Ø5.5",
   "mates": "M5 clearance",
   "fit": "designed",
   "files": "all"
  },
  {
   "feature": "tapped holes",
   "exact": "5 × M4 Ø3.3",
   "mates": "torch stand, burner shroud feet",
   "fit": "designed",
   "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": "Where does it hang?",
   "a": "Two hangers on the cold power cylinder; nothing touches the hot spool."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "charged-beta-frame-2in",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/tri-clamp-charged-beta-frame/charged-beta-frame-2in.step",
   "stl": "https://xemstudio.com/files/hardware/tri-clamp-charged-beta-frame/charged-beta-frame-2in.stl",
   "note": "charged beta frame: base 260 × 170 × 8, wall x ±62 to z 316 with two hanger bars' holes, gussets, torch-stand and shroud holes (M4 tapped)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/tri-clamp-charged-beta-frame/index.md"
}