{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "three-link-panhard",
 "name": "3-link with panhard bar",
 "kind": "standard",
 "category": "Car design",
 "group": "Suspension geometry",
 "year": null,
 "question": "What is a 3-link with panhard bar?",
 "tags": [
  "vehicle design",
  "suspension geometry",
  "rc design",
  "aerodynamics",
  "guide"
 ],
 "aliases": [
  "3 link panhard",
  "three link suspension",
  "panhard bar",
  "track bar",
  "3-link vs 4-link",
  "rc crawler 3 link",
  "panhard rod",
  "y link suspension",
  "3 link crawler"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/three-link-panhard/",
 "sheet_txt": "https://xemstudio.com/objects/three-link-panhard/sheet.txt",
 "sheet": {
  "basis": "Design rules and figures from the cited sources; example geometry by Xem Studio",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "A 3-link uses two lower links and one upper link; on its own it rotates the axle about a moving pivot and can sway. Adding a panhard bar perpendicular to the links locates the axle sideways and gives smooth, linear articulation without that sway (Axial).",
   "The panhard's mid-point sets the axle's roll centre (NC4x4).",
   "Used on: Axial SCX10 front (3-link)."
  ],
  "table": {
   "columns": [
    "parameter",
    "value or range",
    "source"
   ],
   "rows": [
    [
     "Panhard roll centre",
     "mid-point of panhard rod",
     "NC4x4 forum"
    ],
    [
     "3-link without panhard",
     "some axle sway in articulation",
     "Axial"
    ]
   ]
  }
 },
 "sheet_text": "3-link with panhard bar — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/three-link-panhard/  (sheet CC BY 4.0)\nBasis: Design rules and figures from the cited sources; example geometry by Xem Studio\nCatalog version: 2026-10-20\n\nSizes: see table below\n- A 3-link uses two lower links and one upper link; on its own it rotates the axle about a moving pivot and can sway. Adding a panhard bar perpendicular to the links locates the axle sideways and gives smooth, linear articulation without that sway (Axial).\n- The panhard's mid-point sets the axle's roll centre (NC4x4).\n- Used on: Axial SCX10 front (3-link).\n\nparameter  value or range  source\nPanhard roll centre  mid-point of panhard rod  NC4x4 forum\n3-link without panhard  some axle sway in articulation  Axial\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Axial: Suspension Link Types Explained — web — Publisher's page; dimensions are facts — https://www.axialadventure.com/axi-blog-archive-suspension-link-types-explained.html\n- NC4x4 forum: General 4 Link Suspension Design Information — web — Publisher's page; dimensions are facts — https://nc4x4.com/forum/threads/general-4-link-suspension-design-information.72892/\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=three-link-panhard\n",
 "sources": [
  {
   "publisher": "Axial",
   "title": "Suspension Link Types Explained",
   "url": "https://www.axialadventure.com/axi-blog-archive-suspension-link-types-explained.html",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "NC4x4 forum",
   "title": "General 4 Link Suspension Design Information",
   "url": "https://nc4x4.com/forum/threads/general-4-link-suspension-design-information.72892/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "camber",
  "caster",
  "kick-up",
  "toe-front",
  "toe-rear",
  "ackermann"
 ],
 "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": [],
 "faq": [
  {
   "q": "3-link or 4-link?",
   "a": "Axial notes the plain 3-link sways; adding a panhard or triangulating fixes that."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/three-link-panhard/index.md"
}