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Boat Overview
Type
Maker
Hull type
Hull Material
Fiberglass
Category
Boat length (LOA)
10.52 m
Specs
Main
Name | Value |
---|---|
Maker | J Boats |
Maker website | https://www.jboats.com |
Model | J/105 Shoal draft |
First built hull | 1991 |
Version | Shoal draft |
Boat type | Sail |
Category | Racer Boats |
Hull type | Monohull |
Hull material | Fiberglass |
General
Name | Value |
---|---|
Top speed | 11.72 kmh |
Mast height | 15.36 m |
Length overall | 10.52 m |
Length at waterline | 9.02 m |
Beam overall | 3.35 m |
Draft maximum | 1.74 m |
Displacement | 3,514.88 kg |
Ballast weight | 1,549.92 kg |
Ballast type | Lead |
Helm | 1 wheel |
Rudder | 1 spade rudder |
Cockpit | Closed aft cockpit |
Designer
Name | Value |
---|---|
Naval architect | |
Name/Studio | Rod Johnstone |
Website | http://www.jboats.com/ |
Rig & Sails
Name | Value |
---|---|
Mast | 50.4 |
Spars | Mast and boom in Aluminum |
Standing rigging | Single-strand (ROD) |
Number of spreaders | 2 |
Spreaders angle | Swept-back |
Upwind sail area | 53.61 sq.m |
Downwind sail area | 121.24 sq.m |
Mainsail A | 304.00 |
Mainsail B | 273.00 |
Spinnaker A | 1001.00 |
Engine
Name | Value |
---|---|
Engine A | |
Power | 20 HP |
Type | Inboard engine ; Diesel |
Engine B |
Storage
Name | Value |
---|---|
No data |
Performance & Ratios
Detail
Name | Value |
---|---|
Sail Area to Displacement (SA/D) | 0.06 |
Upwind SA to Displacement | 23.58 |
Downwind SA to Displacement | 53.34 |
Hull Displacement Speed | 0.06 |
Displacement to Length (D/L) | 7.29 |
Ballast to Displacement (B/D) | 0.44 |
Capsize Screening Formula (CSF) | 2.23 |