{
 "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": "rc-pan-car-wing",
 "name": "RC 1/12 pan car wing and spoiler",
 "kind": "standard",
 "category": "Car design",
 "group": "Car aero",
 "year": null,
 "question": "What wing and spoiler sizes do 1/12 pan cars use?",
 "tags": [
  "vehicle design",
  "car aero",
  "rc design",
  "aerodynamics"
 ],
 "aliases": [
  "1/12 pan car wing",
  "pan car spoiler",
  "1/12 scale rc wing",
  "rc pan car body",
  "1/12 on road wing rules",
  "efra 1/12 rules",
  "pan car side dams",
  "rc spoiler size"
 ],
 "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/rc-pan-car-wing/",
 "sheet_txt": "https://xemstudio.com/objects/rc-pan-car-wing/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": [
   "1/12 on-road 'pan' cars run a moulded body with either a wing or a short spoiler, sized by rule. EFRA allows a wing 172 mm wide whose profile fits a 52 x 26 mm box, or a spoiler up to 25 mm high and 35 mm long, with side dams up to 72 mm high.",
   "As on full-size cars, a spoiler is a body-edge lip while a wing is an airfoil with flow over both faces (CompetitionX).",
   "Used on: 1/12 electric on-road cars.",
   "The file is a reference example built by Xem Studio from the numbers above (EFRA 1/12 maximum box.). Sizes the sources do not fix are illustrative; scale the example to your own vehicle."
  ],
  "table": {
   "columns": [
    "parameter",
    "value or range",
    "source"
   ],
   "rows": [
    [
     "Wing width",
     "max 172 mm",
     "EFRA"
    ],
    [
     "Wing profile box",
     "52 mm (height) x 26 mm",
     "EFRA"
    ],
    [
     "Spoiler",
     "max 25 mm high, 35 mm long",
     "EFRA"
    ],
    [
     "Max wing/spoiler height",
     "65 mm",
     "EFRA"
    ],
    [
     "Side dam",
     "max 72 mm high",
     "EFRA"
    ],
    [
     "Overall width / length",
     "172 mm / 340 mm",
     "EFRA"
    ]
   ]
  }
 },
 "sheet_text": "RC 1/12 pan car wing and spoiler — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/rc-pan-car-wing/  (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- 1/12 on-road 'pan' cars run a moulded body with either a wing or a short spoiler, sized by rule. EFRA allows a wing 172 mm wide whose profile fits a 52 x 26 mm box, or a spoiler up to 25 mm high and 35 mm long, with side dams up to 72 mm high.\n- As on full-size cars, a spoiler is a body-edge lip while a wing is an airfoil with flow over both faces (CompetitionX).\n- Used on: 1/12 electric on-road cars.\n- The file is a reference example built by Xem Studio from the numbers above (EFRA 1/12 maximum box.). Sizes the sources do not fix are illustrative; scale the example to your own vehicle.\n\nparameter  value or range  source\nWing width  max 172 mm  EFRA\nWing profile box  52 mm (height) x 26 mm  EFRA\nSpoiler  max 25 mm high, 35 mm long  EFRA\nMax wing/spoiler height  65 mm  EFRA\nSide dam  max 72 mm high  EFRA\nOverall width / length  172 mm / 340 mm  EFRA\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- EFRA: EFRA Handbook 2010, Appendix 3: Electric Cars — web — Publisher's page; dimensions are facts — https://www.efra.ws/wp-content/uploads/2010/03/Handb10App3.pdf\n- CompetitionX: RC Wings Explained — web — Publisher's page; dimensions are facts — https://www.competitionx.com/?p=489\n\nFree files (Xem Studio Design License, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/rc-pan-car-wing/index.json\nAPI: https://xemstudio.com/api/geometry?object=rc-pan-car-wing\n",
 "sources": [
  {
   "publisher": "EFRA",
   "title": "EFRA Handbook 2010, Appendix 3: Electric Cars",
   "url": "https://www.efra.ws/wp-content/uploads/2010/03/Handb10App3.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "CompetitionX",
   "title": "RC Wings Explained",
   "url": "https://www.competitionx.com/?p=489",
   "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": [
  "rear-wing-single-element",
  "rear-wing-dual-element",
  "swan-neck-wing-mount",
  "gurney-flap-wickerbill",
  "wing-endplates",
  "front-splitter"
 ],
 "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": "Wing or spoiler?",
   "a": "Rules allow either; the spoiler is limited to 25 x 35 mm (EFRA)."
  }
 ],
 "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": "rc-pan-car-wing-rear-wing",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "Xem Studio Design License",
   "step": "https://xemstudio.com/files/hardware/rc-pan-car-wing/rc-pan-car-wing-rear-wing.step",
   "stl": "https://xemstudio.com/files/hardware/rc-pan-car-wing/rc-pan-car-wing-rear-wing.stl",
   "note": "single rear wing: span 172 × chord 26 mm at 6°, endplates 52 mm, inverted NACA 4412 section (mounts from below)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/rc-pan-car-wing/index.md"
}