{ "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": "pro-boat-ul-19-30-hydroplane-prb08028", "name": "Pro Boat UL-19 30 in brushless hydroplane (PRB08028)", "kind": "modern", "category": "RC boats", "group": "Hydroplanes and riggers", "year": null, "question": "What are the dimensions of the Pro Boat UL-19 30 in hydroplane?", "tags": [ "rc boat", "radio control boat", "model boat", "hobby rc", "hydroplanes and riggers" ], "aliases": [ "ul-19 hydroplane dimensions", "pro boat ul-19 length", "ul-19 beam", "prb08028 specs", "ul-19 prop size", "ul19 rc hydroplane size", "ul-19 weight", "ul-19 battery", "medidas ul-19 hidroplano", "ul-19 hydroplane maße" ], "overall_mm": { "length": 762, "width": 406.4, "height": 152.4 }, "official_cad": false, "xem_status": "free-files", "les": false, "free_files": 1, "url": "https://xemstudio.com/objects/pro-boat-ul-19-30-hydroplane-prb08028/", "sheet_txt": "https://xemstudio.com/objects/pro-boat-ul-19-30-hydroplane-prb08028/sheet.txt", "sheet": { "basis": "Secondary source: RC Car Action (Pro Boat announcement) (copy of the maker's figures; the maker publishes none directly)", "overall_mm": { "length": 762, "width": 406.4, "height": 152.4 }, "notes": [ "The UL-19 is a 30-inch scale-style unlimited hydroplane. The file is the 762 × 406 × 152 mm envelope.", "Pro Boat (Horizon Hobby) numbers are quoted from Horizon's launch announcement as republished by RC Car Action / a dealer, because Horizon's own spec tab could not be read; treat as secondary.", "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": [ [ "Length", "30 in (762 mm)" ], [ "Beam", "16 in (406.4 mm)" ], [ "Hull height", "6 in (152.4 mm)" ], [ "Weight", "5 lb (2300 g)" ], [ "Propeller", "1.7 × 1.6" ], [ "Drive", "flex shaft" ], [ "Motor", "3650 6-pole marine 2000 Kv" ], [ "Battery", "two 2S 5000 mAh 50C LiPo with EC5" ] ] } }, "sheet_text": "Pro Boat UL-19 30 in brushless hydroplane (PRB08028) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/pro-boat-ul-19-30-hydroplane-prb08028/ (sheet CC BY 4.0)\nBasis: Secondary source: RC Car Action (Pro Boat announcement) (copy of the maker's figures; the maker publishes none directly)\nCatalog version: 2026-10-20\n\nOverall (mm): length 762, width 406.4, height 152.4\n- The UL-19 is a 30-inch scale-style unlimited hydroplane. The file is the 762 × 406 × 152 mm envelope.\n- Pro Boat (Horizon Hobby) numbers are quoted from Horizon's launch announcement as republished by RC Car Action / a dealer, because Horizon's own spec tab could not be read; treat as secondary.\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\nLength 30 in (762 mm)\nBeam 16 in (406.4 mm)\nHull height 6 in (152.4 mm)\nWeight 5 lb (2300 g)\nPropeller 1.7 × 1.6\nDrive flex shaft\nMotor 3650 6-pole marine 2000 Kv\nBattery two 2S 5000 mAh 50C LiPo with EC5\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- RC Car Action (Pro Boat announcement): Pro Boat RTR UL-19 30-inch Hydroplane Brushless — web — Publisher's page; dimensions are facts — https://www.rccaraction.com/?p=297297\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/pro-boat-ul-19-30-hydroplane-prb08028/index.json\nAPI: https://xemstudio.com/api/geometry?object=pro-boat-ul-19-30-hydroplane-prb08028\n", "sources": [ { "publisher": "RC Car Action (Pro Boat announcement)", "title": "Pro Boat RTR UL-19 30-inch Hydroplane Brushless", "url": "https://www.rccaraction.com/?p=297297", "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": [ "pro-boat-miss-illinois-u-34-hydroplane", "venom-miss-excite-hydroplane-24" ], "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 prop does the UL-19 use?", "a": "A 1.7 × 1.6 prop on a flex shaft." }, { "q": "How wide is the UL-19?", "a": "16 in (406.4 mm) beam on a 30 in (762 mm) hull." } ], "files_license": null, "offers": [ { "file": "pro-boat-ul-19-30-hydroplane-prb08028-envelope", "formats": [ "step", "stl" ], "price_usd": 0, "license": "CC BY 4.0 (Xem Studio)", "step": "https://xemstudio.com/files/hardware/pro-boat-ul-19-30-hydroplane-prb08028/pro-boat-ul-19-30-hydroplane-prb08028-envelope.step", "stl": "https://xemstudio.com/files/hardware/pro-boat-ul-19-30-hydroplane-prb08028/pro-boat-ul-19-30-hydroplane-prb08028-envelope.stl", "note": "Envelope 762 × 406.4 × 152.4 mm (Length × beam × hull height as listed in Pro Boat's announcement)" } ], "markdown": "https://xemstudio.com/objects/pro-boat-ul-19-30-hydroplane-prb08028/index.md" }