← Back to ORC directory

YEAH BABY

AUS WELBOURN 50

Sail number AUS/A5

GPH

478.6

OSN

464.9

LOA

15.19 m

Displacement

8531 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8485

Medium

1.136

High

1.3238

Triple Offshore

Low

1.0988

Medium

1.4088

High

1.6206

Boat Specifications

Dimensions

Length overall
15.19 m
Beam
4.6 m
Draft
2.97 m
Displacement
8531 kg
Crew weight
1053 kg
Wetted surface
43.23 m²

Sails

Mainsail
87.81 m²
Genoa
63.43 m²
Spinnaker
0 m²
Asymmetric spinnaker
256.48 m²

Design

Type
WELBOURN 50
Builder
BOATSPEED
Designer
HUGH WELBOURN
Year built
2000
Stability index
134.3

Velocity Prediction

Wind Speed52°60°75°90°110°120°135°150°
66.857.317.727.677.447.226.55.45
88.238.548.748.738.88.718.226.94
108.779.049.349.349.529.599.128.19
128.999.329.8910.0610.0610.410.019.04
149.139.5310.2410.7310.5611.0111.089.79
169.289.6510.4811.2511.0411.6312.3610.66
209.5810.1210.8811.8612.8312.8814.313.32
Wind SpeedBeat AngleBeat VMGRun AngleRun VMG
643.8°4.45142.4°4.72
842.3°5.49141.5°6.01
1040°6.08147.8°7.1
1238.4°6.36152.6°7.87
1437.6°6.52149.8°8.48
1636.6°6.7146.9°9.23
2036.3°6.83142.4°11.53
Loading polar chart…