{
 "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": "gemfan-1608-40mm-3-blade",
 "name": "Gemfan 1608 40 mm 3-blade propeller (1.5 mm)",
 "kind": "modern",
 "category": "Drones",
 "group": "Propellers",
 "year": null,
 "question": "What are the dimensions of the Gemfan 1608 40 mm 3-blade propeller (1.5 mm)?",
 "tags": [
  "drone",
  "quadcopter",
  "fpv",
  "uav",
  "propellers"
 ],
 "aliases": [
  "Gemfan 1608 dimensions",
  "Gemfan 1608 hub thickness",
  "Gemfan 1608 bore",
  "Gemfan 1608 weight",
  "Gemfan 1608 shaft size",
  "Gemfan 1608 specs",
  "dimensiones hélice Gemfan 1608",
  "Gemfan 1608 Propeller Abmessungen",
  "40mm whoop prop",
  "Meteor75 Pro props"
 ],
 "overall_mm": {
  "length": 40,
  "width": 40,
  "height": 5
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/gemfan-1608-40mm-3-blade/",
 "sheet_txt": "https://xemstudio.com/objects/gemfan-1608-40mm-3-blade/sheet.txt",
 "sheet": {
  "basis": "Secondary source: GetFPV (copy of the maker's figures; the maker publishes none directly)",
  "overall_mm": {
   "length": 40,
   "width": 40,
   "height": 5
  },
  "notes": [
   "Whoop prop for 1102-class motors on 1.5 mm shafts.",
   "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": [
    [
     "Diameter",
     "40 mm (1.6 in)"
    ],
    [
     "Pitch",
     "0.8 in"
    ],
    [
     "Hub thickness",
     "5 mm"
    ],
    [
     "Bore / mount",
     "1.5 mm hub ID"
    ],
    [
     "Weight",
     "0.42 g"
    ],
    [
     "Blades",
     "3"
    ]
   ]
  }
 },
 "sheet_text": "Gemfan 1608 40 mm 3-blade propeller (1.5 mm) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/gemfan-1608-40mm-3-blade/  (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 40, width 40, height 5\n- Whoop prop for 1102-class motors on 1.5 mm shafts.\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\nDiameter  40 mm (1.6 in)\nPitch  0.8 in\nHub thickness  5 mm\nBore / mount  1.5 mm hub ID\nWeight  0.42 g\nBlades  3\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- GetFPV: Gemfan 40mm 1608 3-Blade PC (1.5mm) — web — Publisher's page; dimensions are facts — https://www.getfpv.com/gemfan-40mm-1608-3-blade-polycarbonate-propeller-set-of-8-1-5mm.html\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/gemfan-1608-40mm-3-blade/index.json\nAPI: https://xemstudio.com/api/geometry?object=gemfan-1608-40mm-3-blade\n",
 "sources": [
  {
   "publisher": "GetFPV",
   "title": "Gemfan 40mm 1608 3-Blade PC (1.5mm)",
   "url": "https://www.getfpv.com/gemfan-40mm-1608-3-blade-polycarbonate-propeller-set-of-8-1-5mm.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": [
  "fpv-drone-motors",
  "apc-8x4e-propeller",
  "apc-8x6e-propeller",
  "apc-9x4-5e-propeller",
  "apc-9x6e-propeller"
 ],
 "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": "What shaft does the Gemfan 1608 40 mm 3-blade propeller (1.5 mm) fit?",
   "a": "Bore/mount: 1.5 mm hub ID; hub thickness 5 mm."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "gemfan-1608-40mm-3-blade-swept-disc",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/gemfan-1608-40mm-3-blade/gemfan-1608-40mm-3-blade-swept-disc.step",
   "stl": "https://xemstudio.com/files/hardware/gemfan-1608-40mm-3-blade/gemfan-1608-40mm-3-blade-swept-disc.stl",
   "note": "Swept disc Ø40 mm × 5 mm hub thickness, Ø1.5 mm bore — blades not modelled"
  }
 ],
 "markdown": "https://xemstudio.com/objects/gemfan-1608-40mm-3-blade/index.md"
}