Boat Overview
Type
Maker
Hull type
Hull Material
Fiberglass
Category
Boat length (LOA)
12.19 m
Specs
Main
| Maker | J Boats |
| Maker website | https://www.jboats.com |
| Model | J/121 |
| First built hull | 2017 |
| Boat type | Sail |
| Category | Cruiser Boats |
| Hull type | Monohull |
| Hull material | Fiberglass |
General
| Top speed | 12.89 kmh |
| Length overall | 12.19 m |
| Length at waterline | 10.7 m |
| Beam overall | 3.78 m |
| Draft maximum | 2.16 m |
| Displacement | 5,199.98 kg |
| Ballast type | Cast iron fin with lead bulb |
| Helm | 2 wheels |
| Rudder | 1 spade rudder |
| Cockpit | Open aft cockpit |
Designer
| Naval architect | |
| Name/Studio | Alan Johnstone |
| Website | http://www.jboats.com/ |
Rig & Sails
| Spars | Mast and boom in Carbon fiber |
| Standing rigging | Single-strand (ROD) discontinuous |
| Number of spreaders | 2 |
| Spreaders angle | Swept-back |
| Upwind sail area | 90.02 sq.m |
| Downwind sail area | 200.02 sq.m |
Engine
| Engine A | |
| Engine B | |
| Power | 29 HP |
| Type | inboard |
Storage
Performance & Ratios
Detail
| Sail Area to Displacement (SA/D) | 0.08 |
| Upwind SA to Displacement | 30.5 |
| Downwind SA to Displacement | 67.78 |
| Hull Displacement Speed | 0.08 |
| Displacement to Length (D/L) | 7.94 |
| Capsize Screening Formula (CSF) | 2.2 |