{
 "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": "shock-angle",
 "name": "Shock angle and mounting position",
 "kind": "standard",
 "category": "Car design",
 "group": "Suspension geometry",
 "year": null,
 "question": "How does shock angle affect an RC car?",
 "tags": [
  "vehicle design",
  "suspension geometry",
  "rc design",
  "aerodynamics",
  "guide"
 ],
 "aliases": [
  "shock angle",
  "shock mounting position",
  "laid down shocks",
  "shock tower holes",
  "shock lean",
  "rc shock position",
  "progressive damping",
  "shock motion ratio",
  "outer shock position"
 ],
 "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/shock-angle/",
 "sheet_txt": "https://xemstudio.com/objects/shock-angle/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": [
   "Leaning a shock over reduces its effective rate at the wheel at first and makes it rise through the travel. Tekno: more lean gives softer initial damping, more progressive damping and more side traction; less lean gives harder, more linear damping and a more responsive car.",
   "CompetitionX notes that increasing the angle on the shock mount locations reduces understeer and improves bump handling."
  ],
  "table": {
   "columns": [
    "parameter",
    "value or range",
    "source"
   ],
   "rows": [
    [
     "More lean",
     "softer initial, more progressive, more side traction",
     "Tekno setup guide"
    ],
    [
     "Less lean",
     "harder, linear, more responsive",
     "Tekno setup guide"
    ],
    [
     "More angle",
     "less understeer, better bumps",
     "CompetitionX quick guide"
    ]
   ]
  }
 },
 "sheet_text": "Shock angle and mounting position — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/shock-angle/  (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- Leaning a shock over reduces its effective rate at the wheel at first and makes it rise through the travel. Tekno: more lean gives softer initial damping, more progressive damping and more side traction; less lean gives harder, more linear damping and a more responsive car.\n- CompetitionX notes that increasing the angle on the shock mount locations reduces understeer and improves bump handling.\n\nparameter  value or range  source\nMore lean  softer initial, more progressive, more side traction  Tekno setup guide\nLess lean  harder, linear, more responsive  Tekno setup guide\nMore angle  less understeer, better bumps  CompetitionX quick guide\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Tekno RC: Tekno RC Setup Guide — web — Publisher's page; dimensions are facts — https://teknoforums.com/misc/Tekno-RC-Setup-Guide.pdf\n- CompetitionX: RC Quick Setup Guide — web — Publisher's page; dimensions are facts — https://www.competitionx.com/?p=129\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=shock-angle\n",
 "sources": [
  {
   "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": "CompetitionX",
   "title": "RC Quick Setup Guide",
   "url": "https://www.competitionx.com/?p=129",
   "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": "Why is it progressive?",
   "a": "As the arm rises a leaned shock straightens, so its effective rate increases (Tekno describes the progressive feel)."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/shock-angle/index.md"
}