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LADY SWIFT

LTU LADY HELMSMAN

Sail number LTU/SWE7

GPH

663.2

OSN

643.3

LOA

12.14 m

Displacement

4700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6049

Medium

0.8293

High

0.9469

Triple Offshore

Low

0.7855

Medium

1.0262

High

1.1397

Boat Specifications

Dimensions

Length overall
12.14 m
Beam
2.71 m
Draft
1.82 m
Displacement
4700 kg
Crew weight
400 kg
Wetted surface
24.03 m²

Sails

Mainsail
31.07 m²
Genoa
20.24 m²
Spinnaker
89.72 m²
Asymmetric spinnaker
0 m²

Design

Type
LADY HELMSMAN
Builder
VALLENTUNA BÅTBYGG
Designer
SÖDERGREN
Year built
1977
Stability index
144.1

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
64.714.995.215.425.575.44.774.03
85.655.956.216.476.726.646.065.14
106.336.66.816.847.227.226.976.21
126.646.887.17.177.467.67.427
146.767.027.287.417.667.927.857.42
166.827.087.417.627.848.168.357.83
206.887.17.527.978.178.599.378.89
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
643.6°3.07144.3°3.49
841.4°3.77148.7°4.46
1041.2°4.23147.8°5.38
1241.8°4.47156.3°6.17
1441.8°4.58169.4°6.74
1641.8°4.62177.2°7.19
2041.7°4.69176.6°7.97
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