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WINDBORN

USA J-120

Sail number USA/USA51120

GPH

577.2

OSN

560.9

LOA

12.244 m

Displacement

6999 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7064

Medium

0.9535

High

1.0764

Triple Offshore

Low

0.9121

Medium

1.1733

High

1.3036

Boat Specifications

Dimensions

Length overall
12.244 m
Beam
3.67 m
Draft
2.17 m
Displacement
6999 kg
Crew weight
636 kg
Wetted surface
32.47 m²

Sails

Mainsail
46.47 m²
Genoa
50.03 m²
Spinnaker
0 m²
Asymmetric spinnaker
160.76 m²

Design

Type
J-120
Builder
TPI
Designer
JOHNSTONE
Year built
1994
Stability index
120.5

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
65.655.996.276.196.186.075.414.59
86.777.077.277.237.437.366.855.79
107.47.597.757.7687.987.736.92
127.627.828.028.098.338.478.247.7
147.737.938.238.398.618.948.818.08
167.798.018.378.688.899.299.458.44
207.878.068.539.19.389.9610.969.61
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
643.6°3.69143.8°3.98
841.8°4.5147.5°5.02
1041.1°5.08147.3°6
1239.4°5.36150.9°6.68
1438.2°5.5150.9°7.01
1637.8°5.59171.2°7.39
2037.4°5.71143°8.32
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