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Miralba

ISR First 31.7

Sail number ISR/ISR317

GPH

669.1

OSN

647.7

LOA

9.49 m

Displacement

3750 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6721

Medium

0.9293

High

1.0838

Triple Offshore

Low

0.869

Medium

1.1438

High

1.2963

Boat Specifications

Dimensions

Length overall
9.49 m
Beam
3.22 m
Draft
1.93 m
Displacement
3750 kg
Crew weight
577 kg
Wetted surface
21.81 m²

Sails

Mainsail
25.79 m²
Genoa
27.58 m²
Spinnaker
61.1 m²
Asymmetric spinnaker
0 m²

Design

Type
First 31.7
Builder
Benetau
Designer
Finot
Year built
1998

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
64.845.135.355.285.25.044.553.84
85.766.066.286.246.326.155.614.88
106.396.596.756.836.926.836.485.78
126.736.897.037.167.37.236.966.53
146.97.077.277.347.77.637.336.96
166.967.167.477.618.088.077.747.3
206.997.217.678.118.558.988.698.09
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
642.8°3.15146°3.33
841.2°3.82150°4.23
1040.9°4.34152°5.02
1239°4.74157.5°5.73
1438.2°4.91180°6.35
1637.7°4.98180°6.83
2038.2°4.96179.8°7.51
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