2019 J Boats J/99

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2019 J Boats J/99
2019 J Boats J/99
2019 J Boats J/99
2019 J Boats J/99
2019 J Boats J/99
2019 J Boats J/99
2019 J Boats J/99
2019 J Boats J/99

Boat Overview

Overview

Specs
Main
General
Designer
Rig & Sails
Engine
Storage
Performance & Ratios
Detail

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Specs

Main
MakerJ Boats
Maker websitehttps://www.jboats.com
ModelJ/99
First built hull2019
Boat typeSail
CategoryCruiser/Racer Boats
Hull typeMonohull
Hull materialFiberglass
General
Top speed11.54 kmh
Length overall9.97 m
Length at waterline8.75 m
Beam overall3.41 m
Draft maximum2.04 m
Displacement3,800 kg
Ballast weight1,520 kg
Ballast typeCast iron fin with lead bulb
Helm1 tiller
Rudder1 spade rudder
CockpitOpen aft cockpit
Designer
Naval architect
Name/StudioAlan Johnstone
Websitehttp://www.jboats.com/
Rig & Sails
SparsMast and boom in Aluminum
Standing riggingDyform discontinuous
Number of spreaders2
Spreaders angleSwept-back
Upwind sail area59.18 sq.m
Downwind sail area132.02 sq.m
Engine
Engine B
Power18 HP
TypeInboard
Storage
Fuel tank A49.97 liter
Water tank A99.93 liter

Performance & Ratios

Detail
Sail Area to Displacement (SA/D) 24.71
Upwind SA to Displacement24.71
Downwind SA to Displacement55.12
Hull Displacement Speed 7.18
Displacement to Length (D/L) 158.21
Ballast to Displacement (B/D) 0.4
Capsize Screening Formula (CSF) 2.21