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CRESCENT IV

JPN J 121

Sail number JPN/JPN6860

GPH

550.5

OSN

531.7

LOA

12.19 m

Displacement

6400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7375

Medium

1.0067

High

1.1534

Triple Offshore

Low

0.9467

Medium

1.2326

High

1.395

Boat Specifications

Dimensions

Length overall
12.19 m
Beam
3.75 m
Draft
2.54 m
Displacement
6400 kg
Crew weight
832 kg
Wetted surface
33.92 m²

Sails

Mainsail
48.22 m²
Genoa
40.52 m²
Spinnaker
0 m²
Asymmetric spinnaker
152.26 m²

Design

Type
J 121
Builder
CCF COMPONENTS
Designer
JOHNSTONE
Year built
2017

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
65.96.216.46.266.396.245.594.72
87.057.37.457.57.677.5675.99
107.77.8888.098.338.287.927.09
128.038.28.378.388.848.868.547.89
148.238.448.688.759.279.439.168.36
168.348.598.959.19.59109.828.82
208.58.789.279.7110.2210.9511.6110.06
248.588.899.4810.1610.8511.8914.1712.7
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
642.5°3.89143.1°4.08
840.6°4.79146°5.19
1038.5°5.43148.5°6.14
1236.5°5.83150.8°6.84
1435.7°6.02149.8°7.24
1635.2°6.14147.5°7.64
2035°6.27143.4°8.71
2435°6.32141.9°11
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