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TOWHEE

USA CAL 40

Sail number USA/USA1781

GPH

656.9

OSN

635.9

LOA

11.924 m

Displacement

7003 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6037

Medium

0.835

High

0.9799

Triple Offshore

Low

0.7819

Medium

1.038

High

1.1765

Boat Specifications

Dimensions

Length overall
11.924 m
Beam
3.32 m
Draft
1.79 m
Displacement
7003 kg
Crew weight
647 kg
Wetted surface
31.26 m²

Sails

Mainsail
39.34 m²
Genoa
48.99 m²
Spinnaker
96.56 m²
Asymmetric spinnaker
82.36 m²

Design

Type
CAL 40
Builder
CAL
Designer
LAPWORTH
Year built
1963
Stability index
124.9

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
64.865.175.455.45.255.14.623.94
85.86.146.416.46.416.265.735.01
106.566.8277.057.157.056.685.95
126.977.177.327.437.567.497.246.77
147.127.337.557.647.917.887.627.26
167.27.417.717.98.258.278.017.61
207.267.487.868.298.668.958.88.34
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
644.8°3.15146.6°3.41
843.2°3.8150.5°4.34
1043.6°4.32151.1°5.15
1242.6°4.71155.6°5.92
1441.4°4.9164.6°6.54
1640.8°5177.2°7.06
2040.8°5.04179°7.75
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