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Arabesque

USA CHANCE 31.5

Sail number USA/USA31550

GPH

669.8

OSN

651.7

LOA

9.634 m

Displacement

3371 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6354

Medium

0.8336

High

0.9334

Triple Offshore

Low

0.8071

Medium

1.0005

High

1.0918

Boat Specifications

Dimensions

Length overall
9.634 m
Beam
2.98 m
Draft
1.85 m
Displacement
3371 kg
Crew weight
600 kg
Wetted surface
18.22 m²

Sails

Mainsail
23.02 m²
Genoa
36.76 m²
Spinnaker
69.88 m²
Asymmetric spinnaker
0 m²

Design

Type
CHANCE 31.5
Builder
Lathrop
Designer
Chance
Year built
1982

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
65.275.55.615.485.245.094.633.93
86.016.146.236.196.176.075.674.97
106.336.446.536.546.626.576.325.82
126.476.66.746.776.926.96.76.37
146.546.676.876.977.177.217.036.72
166.576.726.957.147.377.527.367.02
206.626.797.087.367.678.068.197.68
246.66.87.147.537.778.459.268.59
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
641.7°3.52145.7°3.41
839.9°4.18149.9°4.3
1037.6°4.57153.4°5.07
1236.8°4.71161.9°5.69
1436.5°4.78175.8°6.21
1636.4°4.82178.6°6.58
2036.5°4.85178.8°7.16
2437.5°4.78177.7°7.8
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