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HARA

GRE ROBERTS 310

Sail number GRE/GRE899

GPH

795.2

OSN

768.1

LOA

9.45 m

Displacement

5123 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5511

Medium

0.7654

High

0.9151

Triple Offshore

Low

0.7151

Medium

0.9687

High

1.1184

Boat Specifications

Dimensions

Length overall
9.45 m
Beam
3.23 m
Draft
1.39 m
Displacement
5123 kg
Crew weight
320 kg
Wetted surface
23.5 m²

Sails

Mainsail
17.94 m²
Genoa
31.12 m²
Spinnaker
56.19 m²
Asymmetric spinnaker
0 m²

Design

Type
ROBERTS 310
Builder
OWNER
Designer
BRUCE ROBERTS
Year built
1991

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
63.84.14.344.314.434.323.933.39
84.594.895.155.245.415.294.94.35
105.175.525.846.046.196.15.715.13
125.686.026.286.476.66.556.325.84
146.026.36.526.76.886.846.666.35
166.186.446.676.87.147.126.936.66
206.216.516.867.077.567.697.527.18
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
646.7°2.4148°2.94
845.3°2.95151.3°3.77
1044.7°3.33155.3°4.46
1245.1°3.64158.4°5.1
1446.1°3.88174.9°5.73
1645.6°4.01180°6.25
2045.8°4.02180°6.82
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