Joysway Super Mono X V2 brushless racing boat, 420 mm (8209V2) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/joysway-super-mono-x-v2/  (sheet CC BY 4.0)
Basis: Secondary source: Premiership Models (distributor) (copy of the maker's figures; the maker publishes none directly)
Catalog version: 2026-10-20

Overall (mm): length 420, width 120
- The Super Mono X is Joysway's compact brushless mono. Only length and width are published, so the file is a 420 × 120 mm footprint.
- Figures are from Premiership Models (distributor).
- 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.

dimension  value
Total length  420 mm
Hull length  360 mm
Width  120 mm
Weight  415 g (model only)
Props  P1.4 × D30 mm 2-blade nylon
Motor  water-cooled brushless outrunner
ESC  30 A water-cooled with BEC

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Premiership Models (distributor): Super Mono X 2.4G RTR Brushless Racing Boat 420MM V2 — web — Publisher's page; dimensions are facts — https://premiershipmodels.com.au/product/super-mono-x-2-4g-rtr-brushless-racing-boat-420mm-v2-joysway-jy8209v2

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/joysway-super-mono-x-v2/index.json
API: https://xemstudio.com/api/geometry?object=joysway-super-mono-x-v2