{ "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": "lun-ekranoplan-rc-printable-model-990mm", "name": "Lun-class ekranoplan RC-ready 3D-printable model (990 mm)", "kind": "modern", "category": "RC planes", "group": "RC and model ground-effect craft", "year": null, "question": "What are the dimensions of the Lun ekranoplan RC model?", "tags": [ "rc plane", "rc airplane", "radio control", "model aircraft", "rc and model ground-effect craft" ], "aliases": [ "rc ekranoplan", "lun ekranoplan rc model", "3d printed ekranoplan rc", "ekranoplan rc edf", "rc ground effect model size", "rc lun 903 model", "ekranoplano rc", "Ekranoplan RC Modell", "ekranoplano rc impressão 3d" ], "overall_mm": { "length": 990, "width": 600, "height": 270 }, "official_cad": false, "xem_status": "free-files", "les": false, "free_files": 1, "url": "https://xemstudio.com/objects/lun-ekranoplan-rc-printable-model-990mm/", "sheet_txt": "https://xemstudio.com/objects/lun-ekranoplan-rc-printable-model-990mm/sheet.txt", "sheet": { "basis": "Manufacturer specifications (CGTrader (designer listing))", "overall_mm": { "length": 990, "width": 600, "height": 270 }, "notes": [ "A 3D-printable radio-control model of the Lun ekranoplan sold on CGTrader, with internal provisions for EDFs, ESCs, battery and servos.", "The file is a 990 × 600 × 270 mm box from the designer's listing; scale and weight are not stated.", "Commercial RTF or kit ground-effect RC models with published sizes were not found, so this is the only RC entry.", "True size, no printing tolerance added. Only published numbers are used; anything not published is said so." ], "table": { "columns": [ "dimension", "value" ], "rows": [ [ "Length", "990 mm" ], [ "Wingspan", "600 mm" ], [ "Height", "270 mm" ], [ "Scale", "not stated" ], [ "Motors", "8 × 35 mm EDF recommended (nacelles fit 28–35 mm EDF units)" ], [ "Servos", "2 mini servos (rudder, elevators) + 1 standard servo (flaperons)" ], [ "Battery / ESC", "not published" ], [ "Weight", "not published (about 25% lighter than earlier versions)" ] ] } }, "sheet_text": "Lun-class ekranoplan RC-ready 3D-printable model (990 mm) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/lun-ekranoplan-rc-printable-model-990mm/ (sheet CC BY 4.0)\nBasis: Manufacturer specifications (CGTrader (designer listing))\nCatalog version: 2026-10-20\n\nOverall (mm): length 990, width 600, height 270\n- A 3D-printable radio-control model of the Lun ekranoplan sold on CGTrader, with internal provisions for EDFs, ESCs, battery and servos.\n- The file is a 990 × 600 × 270 mm box from the designer's listing; scale and weight are not stated.\n- Commercial RTF or kit ground-effect RC models with published sizes were not found, so this is the only RC entry.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n\ndimension value\nLength 990 mm\nWingspan 600 mm\nHeight 270 mm\nScale not stated\nMotors 8 × 35 mm EDF recommended (nacelles fit 28–35 mm EDF units)\nServos 2 mini servos (rudder, elevators) + 1 standard servo (flaperons)\nBattery / ESC not published\nWeight not published (about 25% lighter than earlier versions)\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- CGTrader (designer listing): Lun-class Ekranoplan RC-ready lightweight Project 903 — web — Publisher's page; dimensions are facts — https://www.cgtrader.com/3d-print-models/hobby-diy/robotics/lun-class-ekranoplan-rc-ready-lightweight-project-903\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/lun-ekranoplan-rc-printable-model-990mm/index.json\nAPI: https://xemstudio.com/api/geometry?object=lun-ekranoplan-rc-printable-model-990mm\n", "sources": [ { "publisher": "CGTrader (designer listing)", "title": "Lun-class Ekranoplan RC-ready lightweight Project 903", "url": "https://www.cgtrader.com/3d-print-models/hobby-diy/robotics/lun-class-ekranoplan-rc-ready-lightweight-project-903", "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": [], "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 motors does the RC Lun model use?", "a": "Eight 35 mm EDF units are recommended; the nacelles take 28–35 mm EDFs." }, { "q": "How big is it?", "a": "990 mm long, 600 mm wingspan, 270 mm high." } ], "files_license": null, "offers": [ { "file": "lun-ekranoplan-rc-printable-model-990mm-envelope", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/lun-ekranoplan-rc-printable-model-990mm/lun-ekranoplan-rc-printable-model-990mm-envelope.step", "stl": "https://xemstudio.com/files/hardware/lun-ekranoplan-rc-printable-model-990mm/lun-ekranoplan-rc-printable-model-990mm-envelope.stl", "note": "Envelope 990 × 600 × 270 mm (RC model as published by the designer: length × wingspan × height, assembled)" } ], "markdown": "https://xemstudio.com/objects/lun-ekranoplan-rc-printable-model-990mm/index.md" }