{
 "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": "anti-squat",
 "name": "Anti-squat",
 "kind": "standard",
 "category": "Car design",
 "group": "Suspension geometry",
 "year": null,
 "question": "What is anti-squat and how much should an RC buggy run?",
 "tags": [
  "vehicle design",
  "suspension geometry",
  "rc design",
  "aerodynamics"
 ],
 "aliases": [
  "anti squat",
  "anti-squat",
  "rc anti squat",
  "anti squat degrees",
  "rear hinge pin angle",
  "anti squat percentage",
  "squat under acceleration",
  "instant centre anti squat",
  "4 link anti squat",
  "rear pivot block"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/anti-squat/",
 "sheet_txt": "https://xemstudio.com/objects/anti-squat/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": [
   "Anti-squat controls how much the rear compresses under acceleration. On RC cars it is the angle of the rear inner hinge pins, front higher than rear (CompetitionX); on full-size cars it is set by the side-view instant centre relative to the CG height (Formula1-Dictionary).",
   "More anti-squat gives more forward drive on high grip and less on-power steering; less lets the rear squat for grip on loose or bumpy tracks (CompetitionX; Tekno).",
   "Most 1/10 off-road cars start around 2-3 deg (CompetitionX).",
   "Used on: 1/10 off-road buggies.",
   "The file is a reference example built by Xem Studio from the numbers above (Reference 1/10 off-road: track 250 mm and 90 mm wheel+tyre (EFRA maxima); wheelbase illustrative.). Sizes the sources do not fix are illustrative; scale the example to your own vehicle."
  ],
  "table": {
   "columns": [
    "parameter",
    "value or range",
    "source"
   ],
   "rows": [
    [
     "1/10 off-road starting point",
     "2-3 deg",
     "CompetitionX"
    ],
    [
     "Insert labels",
     "0 (flat), 2, 3, 4 deg",
     "CompetitionX"
    ],
    [
     "Percentage method (anti-dive example)",
     "50% = force line crosses halfway to CG height",
     "Formula1-Dictionary"
    ]
   ]
  }
 },
 "sheet_text": "Anti-squat — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/anti-squat/  (sheet CC BY 4.0; files Xem Studio Design License, https://xemstudio.com/license/)\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- Anti-squat controls how much the rear compresses under acceleration. On RC cars it is the angle of the rear inner hinge pins, front higher than rear (CompetitionX); on full-size cars it is set by the side-view instant centre relative to the CG height (Formula1-Dictionary).\n- More anti-squat gives more forward drive on high grip and less on-power steering; less lets the rear squat for grip on loose or bumpy tracks (CompetitionX; Tekno).\n- Most 1/10 off-road cars start around 2-3 deg (CompetitionX).\n- Used on: 1/10 off-road buggies.\n- The file is a reference example built by Xem Studio from the numbers above (Reference 1/10 off-road: track 250 mm and 90 mm wheel+tyre (EFRA maxima); wheelbase illustrative.). Sizes the sources do not fix are illustrative; scale the example to your own vehicle.\n\nparameter  value or range  source\n1/10 off-road starting point  2-3 deg  CompetitionX\nInsert labels  0 (flat), 2, 3, 4 deg  CompetitionX\nPercentage method (anti-dive example)  50% = force line crosses halfway to CG height  Formula1-Dictionary\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- CompetitionX: RC Anti-Squat Explained — web — Publisher's page; dimensions are facts — https://www.competitionx.com/?p=163\n- Tekno RC: Tekno RC Setup Guide — web — Publisher's page; dimensions are facts — https://teknoforums.com/misc/Tekno-RC-Setup-Guide.pdf\n- Formula1-Dictionary: Anti-Dive and Anti-Squat Suspension Geometry — web — Publisher's page; dimensions are facts — https://www.formula1-dictionary.net/f1-anti-dive-anti-squat-suspension-geometry/\n\nFree files (Xem Studio Design License, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/anti-squat/index.json\nAPI: https://xemstudio.com/api/geometry?object=anti-squat\n",
 "sources": [
  {
   "publisher": "CompetitionX",
   "title": "RC Anti-Squat Explained",
   "url": "https://www.competitionx.com/?p=163",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Tekno RC",
   "title": "Tekno RC Setup Guide",
   "url": "https://teknoforums.com/misc/Tekno-RC-Setup-Guide.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Formula1-Dictionary",
   "title": "Anti-Dive and Anti-Squat Suspension Geometry",
   "url": "https://www.formula1-dictionary.net/f1-anti-dive-anti-squat-suspension-geometry/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "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": "High grip or low grip?",
   "a": "High grip: more anti-squat; low grip: less (CompetitionX)."
  }
 ],
 "files_license": {
  "name": "Xem Studio Design License",
  "holder": "Xem Studio",
  "url": "https://xemstudio.com/license/",
  "note": "Xem Studio's own design: free to use, print, modify and sell things made from it; not to be republished or redistributed as files."
 },
 "offers": [
  {
   "file": "anti-squat-geometry",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "Xem Studio Design License",
   "step": "https://xemstudio.com/files/hardware/anti-squat/anti-squat-geometry.step",
   "stl": "https://xemstudio.com/files/hardware/anti-squat/anti-squat-geometry.stl",
   "note": "Anti-squat demo: rear arm line rising 2.5° to the instant centre (illustrative layout)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/anti-squat/index.md"
}