{ "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-f405-v4-flight-controller", "name": "SpeedyBee F405 V4 flight controller (30×30)", "kind": "modern", "category": "Drones", "group": "Flight controllers and ESCs", "year": null, "question": "What are the dimensions of the SpeedyBee F405 V4 flight controller (30×30)?", "tags": [ "drone", "quadcopter", "fpv", "uav", "flight controllers and escs" ], "aliases": [ "SpeedyBee F405 V4 dimensions", "SpeedyBee F405 V4 mounting holes", "SpeedyBee F4 V4 size", "F405 V4 30x30 board size", "SpeedyBee F405 V4 weight", "SpeedyBee F405 V4 Abmessungen", "dimensiones SpeedyBee F405 V4", "medidas SpeedyBee F405 V4", "SpeedyBee F405 V4 grommet hole size" ], "overall_mm": { "length": 41.6, "width": 39.4, "height": 7.8 }, "official_cad": false, "xem_status": "free-files", "les": false, "free_files": 1, "url": "https://xemstudio.com/objects/speedybee-f405-v4-flight-controller/", "sheet_txt": "https://xemstudio.com/objects/speedybee-f405-v4-flight-controller/sheet.txt", "sheet": { "basis": "Secondary source: Betaflight, KiwiQuads (copy of the maker's figures; the maker publishes none directly)", "overall_mm": { "length": 41.6, "width": 39.4, "height": 7.8 }, "notes": [ "The F405 V4 is the FC half of the SpeedyBee F405 V4 30×30 stack.", "The file is a 41.6 × 39.4 × 7.8 mm block with four Ø4 holes on the 30.5 mm square; the board outline is not rectangular in reality and connector positions are not modelled.", "The pattern is assumed centred on the published board size, since an offset is not published.", "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", "41.6 × 39.4 × 7.8 mm" ], [ "Mounting pattern", "30.5 × 30.5 mm" ], [ "Mounting hole", "Ø4 mm (grommeted)" ], [ "Weight", "10.5 g" ] ] } }, "sheet_text": "SpeedyBee F405 V4 flight controller (30×30) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/speedybee-f405-v4-flight-controller/ (sheet CC BY 4.0)\nBasis: Secondary source: Betaflight, KiwiQuads (copy of the maker's figures; the maker publishes none directly)\nCatalog version: 2026-10-20\n\nOverall (mm): length 41.6, width 39.4, height 7.8\n- The F405 V4 is the FC half of the SpeedyBee F405 V4 30×30 stack.\n- The file is a 41.6 × 39.4 × 7.8 mm block with four Ø4 holes on the 30.5 mm square; the board outline is not rectangular in reality and connector positions are not modelled.\n- The pattern is assumed centred on the published board size, since an offset is not published.\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 41.6 × 39.4 × 7.8 mm\nMounting pattern 30.5 × 30.5 mm\nMounting hole Ø4 mm (grommeted)\nWeight 10.5 g\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Betaflight: SpeedyBee F405 V4 board wiki — web — Publisher's page; dimensions are facts — https://betaflight.com/docs/wiki/boards/current/SPEEDYBEEF405V4\n- KiwiQuads: SpeedyBee F405 V4 BLS 55A 30×30 stack — web — Publisher's page; dimensions are facts — https://www.kiwiquads.co.nz/product/speedybee-f405-v4-bls-55a-30x30-stack-2\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/speedybee-f405-v4-flight-controller/index.json\nAPI: https://xemstudio.com/api/geometry?object=speedybee-f405-v4-flight-controller\n", "sources": [ { "publisher": "Betaflight", "title": "SpeedyBee F405 V4 board wiki", "url": "https://betaflight.com/docs/wiki/boards/current/SPEEDYBEEF405V4", "formats": [ "web" ], "license": "Publisher's page; dimensions are facts", "license_verified": true, "hosted": false }, { "publisher": "KiwiQuads", "title": "SpeedyBee F405 V4 BLS 55A 30×30 stack", "url": "https://www.kiwiquads.co.nz/product/speedybee-f405-v4-bls-55a-30x30-stack-2", "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", "speedybee-bls-55a-4in1-esc-30x30", "speedybee-f405-mini-flight-controller-20x20", "speedybee-35a-bls-mini-v2-esc-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": "What is the SpeedyBee F405 V4 mounting pattern?", "a": "30.5 × 30.5 mm with 4 mm grommeted holes; the board is 41.6 × 39.4 × 7.8 mm." } ], "files_license": null, "offers": [ { "file": "speedybee-f405-v4-flight-controller-board", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/speedybee-f405-v4-flight-controller/speedybee-f405-v4-flight-controller-board.step", "stl": "https://xemstudio.com/files/hardware/speedybee-f405-v4-flight-controller/speedybee-f405-v4-flight-controller-board.stl", "note": "Board 41.6 × 39.4 × 7.8 mm with its published mounting holes (holes centred on the board)" } ], "markdown": "https://xemstudio.com/objects/speedybee-f405-v4-flight-controller/index.md" }