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Miralba

ISR First 31.7

Sail number ISR/ISR317

GPH

671.8

OSN

649

LOA

9.49 m

Displacement

3750 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6694

Medium

0.9286

High

1.0831

Triple Offshore

Low

0.8624

Medium

1.1409

High

1.2929

Boat Specifications

Dimensions

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

Sails

Mainsail
25 m²
Genoa
29.16 m²
Spinnaker
60.38 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°
64.795.055.265.25.134.974.53.81
85.7266.216.176.246.085.564.85
106.46.596.736.816.886.796.445.75
126.746.897.037.147.277.196.936.5
146.97.077.267.337.677.587.296.94
166.967.157.467.68.058.037.697.27
206.987.27.658.098.498.918.618.04
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
642.7°3.15146.5°3.3
841.1°3.82150.4°4.2
1040.7°4.36152.1°4.99
1238.9°4.76157.1°5.7
1437.9°4.93175.6°6.32
1637.5°4.99180°6.81
2038°4.97180°7.47
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