{
 "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": "speedybee-35a-bls-mini-v2-esc-20x20",
 "name": "SpeedyBee 35A BLHeli_S Mini V2 4-in-1 ESC (20×20)",
 "kind": "modern",
 "category": "Drones",
 "group": "Flight controllers and ESCs",
 "year": null,
 "question": "What are the dimensions of the SpeedyBee 35A BLHeli_S Mini V2 4-in-1 ESC (20×20)?",
 "tags": [
  "drone",
  "quadcopter",
  "fpv",
  "uav",
  "flight controllers and escs"
 ],
 "aliases": [
  "SpeedyBee 35A ESC dimensions",
  "SpeedyBee F405 Mini ESC size",
  "SpeedyBee 35A 20x20 size",
  "SpeedyBee 35A mini ESC weight",
  "20x20 4in1 ESC size",
  "SpeedyBee F405 Mini stack size",
  "dimensiones ESC SpeedyBee 35A",
  "SpeedyBee 35A ESC Abmessungen"
 ],
 "overall_mm": {
  "length": 35,
  "width": 35,
  "height": 5.5
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/speedybee-35a-bls-mini-v2-esc-20x20/",
 "sheet_txt": "https://xemstudio.com/objects/speedybee-35a-bls-mini-v2-esc-20x20/sheet.txt",
 "sheet": {
  "basis": "Secondary source: GetFPV (copy of the maker's figures; the maker publishes none directly)",
  "overall_mm": {
   "length": 35,
   "width": 35,
   "height": 5.5
  },
  "notes": [
   "ESC of the SpeedyBee F405 Mini stack.",
   "Modelled as a block with four Ø3.5 holes on a centred 20 mm square.",
   "True size, no printing tolerance added. Only published numbers are used; anything not published is said so.",
   "Secondary source: the numbers come from a retailer or magazine copy of the maker's specification."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Board size",
     "35 × 35 × 5.5 mm"
    ],
    [
     "Mounting pattern",
     "20 × 20 mm"
    ],
    [
     "Mounting hole",
     "Ø3.5 mm"
    ],
    [
     "Weight",
     "7.2 g"
    ]
   ]
  }
 },
 "sheet_text": "SpeedyBee 35A BLHeli_S Mini V2 4-in-1 ESC (20×20) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/speedybee-35a-bls-mini-v2-esc-20x20/  (sheet CC BY 4.0)\nBasis: Secondary source: GetFPV (copy of the maker's figures; the maker publishes none directly)\nCatalog version: 2026-10-20\n\nOverall (mm): length 35, width 35, height 5.5\n- ESC of the SpeedyBee F405 Mini stack.\n- Modelled as a block with four Ø3.5 holes on a centred 20 mm square.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.\n\ndimension  value\nBoard size  35 × 35 × 5.5 mm\nMounting pattern  20 × 20 mm\nMounting hole  Ø3.5 mm\nWeight  7.2 g\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- GetFPV: SpeedyBee F405 Mini Stack (F405 V3 FC + 35A ESC) 20x20 — web — Publisher's page; dimensions are facts — https://www.getfpv.com/speedybee-f405-mini-stack-f405-v3-fc-35a-3-6s-blheli-s-4-in-1-esc-20x20.html\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/speedybee-35a-bls-mini-v2-esc-20x20/index.json\nAPI: https://xemstudio.com/api/geometry?object=speedybee-35a-bls-mini-v2-esc-20x20\n",
 "sources": [
  {
   "publisher": "GetFPV",
   "title": "SpeedyBee F405 Mini Stack (F405 V3 FC + 35A ESC) 20x20",
   "url": "https://www.getfpv.com/speedybee-f405-mini-stack-f405-v3-fc-35a-3-6s-blheli-s-4-in-1-esc-20x20.html",
   "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": [
  "speedybee-f405-v4-flight-controller",
  "speedybee-bls-55a-4in1-esc-30x30",
  "speedybee-f405-mini-flight-controller-20x20"
 ],
 "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": "How big is the SpeedyBee 35A Mini ESC?",
   "a": "35 × 35 × 5.5 mm with a 20 × 20 mm, Ø3.5 mm mount; 7.2 g."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "speedybee-35a-bls-mini-v2-esc-20x20-board",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/speedybee-35a-bls-mini-v2-esc-20x20/speedybee-35a-bls-mini-v2-esc-20x20-board.step",
   "stl": "https://xemstudio.com/files/hardware/speedybee-35a-bls-mini-v2-esc-20x20/speedybee-35a-bls-mini-v2-esc-20x20-board.stl",
   "note": "Board 35 × 35 × 5.5 mm with its published mounting holes (holes centred on the board)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/speedybee-35a-bls-mini-v2-esc-20x20/index.md"
}