{
 "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-d90s-3-blade-1-5mm",
 "name": "Gemfan D90S 90 mm ducted 3-blade propeller (1.5 mm T-mount)",
 "kind": "modern",
 "category": "Drones",
 "group": "Propellers",
 "year": null,
 "question": "What are the dimensions of the Gemfan D90S 90 mm ducted 3-blade propeller (1.5 mm T-mount)?",
 "tags": [
  "drone",
  "quadcopter",
  "fpv",
  "uav",
  "propellers"
 ],
 "aliases": [
  "Gemfan D90S dimensions",
  "Gemfan D90S hub thickness",
  "Gemfan D90S bore",
  "Gemfan D90S weight",
  "Gemfan D90S shaft size",
  "Gemfan D90S specs",
  "dimensiones hélice Gemfan D90S",
  "Gemfan D90S Propeller Abmessungen",
  "D90 cinewhoop prop",
  "3.5 inch ducted prop"
 ],
 "overall_mm": {
  "length": 90,
  "width": 90,
  "height": 5.5
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/gemfan-d90s-3-blade-1-5mm/",
 "sheet_txt": "https://xemstudio.com/objects/gemfan-d90s-3-blade-1-5mm/sheet.txt",
 "sheet": {
  "basis": "Secondary source: GetFPV (copy of the maker's figures; the maker publishes none directly)",
  "overall_mm": {
   "length": 90,
   "width": 90,
   "height": 5.5
  },
  "notes": [
   "Cinewhoop prop for 3.5 in ducts.",
   "T-mount hole spacing is not given.",
   "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",
     "90 mm (3.5 in)"
    ],
    [
     "Pitch",
     "3 in"
    ],
    [
     "Hub thickness",
     "5.5 mm"
    ],
    [
     "Bore / mount",
     "1.5 mm hub ID, T-mount"
    ],
    [
     "Weight",
     "2.3 g"
    ],
    [
     "Blades",
     "3"
    ]
   ]
  }
 },
 "sheet_text": "Gemfan D90S 90 mm ducted 3-blade propeller (1.5 mm T-mount) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/gemfan-d90s-3-blade-1-5mm/  (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 90, width 90, height 5.5\n- Cinewhoop prop for 3.5 in ducts.\n- T-mount hole spacing is not given.\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  90 mm (3.5 in)\nPitch  3 in\nHub thickness  5.5 mm\nBore / mount  1.5 mm hub ID, T-mount\nWeight  2.3 g\nBlades  3\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- GetFPV: Gemfan D90S 90mm 3.5\" Ducted 3-Blade - 1.5mm Shaft — web — Publisher's page; dimensions are facts — https://www.getfpv.com/gemfan-d90s-90mm-3-5-ducted-3-blade-cinewhoop-propeller-1-5mm-shaft-set-of-4.html\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/gemfan-d90s-3-blade-1-5mm/index.json\nAPI: https://xemstudio.com/api/geometry?object=gemfan-d90s-3-blade-1-5mm\n",
 "sources": [
  {
   "publisher": "GetFPV",
   "title": "Gemfan D90S 90mm 3.5\" Ducted 3-Blade - 1.5mm Shaft",
   "url": "https://www.getfpv.com/gemfan-d90s-90mm-3-5-ducted-3-blade-cinewhoop-propeller-1-5mm-shaft-set-of-4.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 D90S 90 mm ducted 3-blade propeller (1.5 mm T-mount) fit?",
   "a": "Bore/mount: 1.5 mm hub ID, T-mount; hub thickness 5.5 mm."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "gemfan-d90s-3-blade-1-5mm-swept-disc",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/gemfan-d90s-3-blade-1-5mm/gemfan-d90s-3-blade-1-5mm-swept-disc.step",
   "stl": "https://xemstudio.com/files/hardware/gemfan-d90s-3-blade-1-5mm/gemfan-d90s-3-blade-1-5mm-swept-disc.stl",
   "note": "Swept disc Ø90 mm × 5.5 mm hub thickness, Ø1.5 mm bore — blades not modelled"
  }
 ],
 "markdown": "https://xemstudio.com/objects/gemfan-d90s-3-blade-1-5mm/index.md"
}