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Tonnere 4

NED KER 51

Sail number NED/NED51

GPH

440.1

OSN

428

LOA

15.45 m

Displacement

7021 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

1.041

Medium

1.3721

High

1.6282

Triple Offshore

Low

1.3456

Medium

1.717

High

2.0102

Boat Specifications

Dimensions

Length overall
15.45 m
Beam
4.72 m
Draft
3.72 m
Displacement
7021 kg
Crew weight
1175 kg
Wetted surface
42.55 m²

Sails

Mainsail
94.92 m²
Genoa
58.84 m²
Spinnaker
0 m²
Asymmetric spinnaker
286.38 m²

Design

Type
KER 51
Builder
KNIERIM
Designer
JASON KER
Year built
2012

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
67.688.168.498.378.057.86.925.75
88.939.229.489.399.49.298.777.41
109.379.7710.3510.3710.1810.429.828.64
129.6510.1510.9311.3610.9611.1911.079.7
149.8610.411.312.111.7611.9412.4610.64
1610.0910.5911.5812.612.7512.8713.5912.03
2010.4711.112.1913.3515.0814.9915.5915.3
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
643.7°5140.5°4.98
840.6°6.1141°6.41
1038.2°6.6147.2°7.48
1236.8°6.86151.7°8.3
1436°7.01144°9.21
1635.1°7.21142.9°10.42
2034.9°7.32144.9°13.25
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