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Sailboat Guide

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Sailboat

J/99

2019
Designer
Alan Johnstone
Builder
J Boats
J Composites
Hull Type
Fin w/bulb & spade rudder
Construction
Balsa/foam composite with vinylester resin

Dimensions

Length Overall
32.61 ft / 9.94 m
Waterline Length
28.60 ft / 8.72 m
Beam
11.18 ft / 3.41 m
Draft
6.54 ft / 1.99 m
Displacement
8,415 lb / 3,817 kg
Ballast
3,350 lb / 1,520 kg
Ballast Type
Cast iron fin and integral lead wedge shoe
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
571.00 ft2 / 53.05 m2
Total Sail Area
571.23 ft2 / 53.07 m2
Mainsail
Sail Area
298.87 ft2 / 27.77 m2
P
41.80 ft / 12.74 m
E
14.30 ft / 4.36 m
Mast Height
Foresail
Sail Area
272.36 ft2 / 25.30 m2
I
43.37 ft / 13.22 m
J
12.56 ft / 3.83 m
Est. Forestay Len.
45.15 ft / 13.76 m
Mizzen
PY
EY

Spinnaker

SPL/TPS
ISP
47.25 ft / 14.40 m

Auxilary Power

Make
Volvo
Model
D1-20
HP
20
Type
Diesel
Fuel Capacity
13 gals / 50 L

Accomodations

Water Capacity
26 gals / 100 L

Calculations

Hull Speed
7.17 knots
Sail Area/Displacement
22.08
high performance
Ballast/Displacement
39.81
less stiff, less powerful
Displacement/Length
160.59
light
Comfort Ratio
17.39
lightweight racing boat
Capsize Screening
2.2
better suited for coastal cruising

Notes

Twin rudder optional.
Option for all lead deep fin keel.


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