{
 "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": "motor-stator-size",
 "name": "Motor stator size naming (e.g. 2207)",
 "kind": "standard",
 "category": "Drone design",
 "group": "Drone frame layouts",
 "year": null,
 "question": "What does 2207 mean on a drone motor?",
 "tags": [
  "vehicle design",
  "drone frame layouts",
  "rc design",
  "aerodynamics",
  "guide"
 ],
 "aliases": [
  "2207 motor meaning",
  "stator size",
  "motor numbers explained",
  "2306 vs 2207",
  "brushless motor size",
  "fpv motor size chart",
  "stator width height",
  "what does 2207 mean",
  "drone motor sizes"
 ],
 "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/motor-stator-size/",
 "sheet_txt": "https://xemstudio.com/objects/motor-stator-size/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 four-digit motor code gives stator dimensions in mm: the first two digits are diameter, the last two height, so 2206 is 22 x 6 mm and 2207 is 22 x 7 mm (GetFPV). They do not describe the outer can.",
   "Larger stators turn bigger props: 5 in builds use 2207-2308 class motors, 7 in use 2806-3106 (Oscar Liang)."
  ],
  "table": {
   "columns": [
    "parameter",
    "value or range",
    "source"
   ],
   "rows": [
    [
     "2207",
     "22 mm dia x 7 mm stator",
     "GetFPV"
    ],
    [
     "5 in prop motors",
     "2306, 2207, 2208, 2308",
     "Oscar Liang table"
    ],
    [
     "7 in prop motors",
     "2806, 2807, 2808, 3106",
     "Oscar Liang table"
    ],
    [
     "3 in prop motors",
     "1303-1506",
     "Oscar Liang table"
    ],
    [
     "Mount, 220x-240x motors",
     "16 x 19 mm, M3",
     "GetFPV"
    ]
   ]
  }
 },
 "sheet_text": "Motor stator size naming (e.g. 2207) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/motor-stator-size/  (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 four-digit motor code gives stator dimensions in mm: the first two digits are diameter, the last two height, so 2206 is 22 x 6 mm and 2207 is 22 x 7 mm (GetFPV). They do not describe the outer can.\n- Larger stators turn bigger props: 5 in builds use 2207-2308 class motors, 7 in use 2806-3106 (Oscar Liang).\n\nparameter  value or range  source\n2207  22 mm dia x 7 mm stator  GetFPV\n5 in prop motors  2306, 2207, 2208, 2308  Oscar Liang table\n7 in prop motors  2806, 2807, 2808, 3106  Oscar Liang table\n3 in prop motors  1303-1506  Oscar Liang table\nMount, 220x-240x motors  16 x 19 mm, M3  GetFPV\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- GetFPV: What is a drone motor? — web — Publisher's page; dimensions are facts — https://www.getfpv.com/motors/what-is-a-drone-motor.html\n- Oscar Liang: Prop, motor, LiPo and weight table — web — Publisher's page; dimensions are facts — https://oscarliang.com/table-prop-motor-lipo-weight/\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=motor-stator-size\n",
 "sources": [
  {
   "publisher": "GetFPV",
   "title": "What is a drone motor?",
   "url": "https://www.getfpv.com/motors/what-is-a-drone-motor.html",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Oscar Liang",
   "title": "Prop, motor, LiPo and weight table",
   "url": "https://oscarliang.com/table-prop-motor-lipo-weight/",
   "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": [
  "true-x-frame",
  "stretched-x-frame",
  "squashed-x-frame",
  "hybrid-x-frame",
  "deadcat-frame",
  "h-frame"
 ],
 "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": "Is 2207 the can size?",
   "a": "No, the stator (GetFPV)."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/motor-stator-size/index.md"
}