YEAH BABY
AUS WELBOURN 50Sail number AUS/A5
GPH
480.8
OSN
467.4
LOA
15.19 m
Displacement
8532 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.9498
Medium
1.2692
High
1.4715
Triple Offshore
Low
1.2319
Medium
1.5776
High
1.8082
Boat Specifications
Dimensions
- Length overall
- 15.19 m
- Beam
- 4.6 m
- Draft
- 2.97 m
- Displacement
- 8532 kg
- Crew weight
- 1053 kg
- Wetted surface
- 43.28 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
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.86 | 7.31 | 7.72 | 7.68 | 7.42 | 7.2 | 6.45 | 5.38 |
| 8 | 8.23 | 8.53 | 8.74 | 8.73 | 8.78 | 8.69 | 8.15 | 6.84 |
| 10 | 8.76 | 9.03 | 9.32 | 9.33 | 9.51 | 9.54 | 9.05 | 8.08 |
| 12 | 8.98 | 9.31 | 9.87 | 10.04 | 10.04 | 10.36 | 9.88 | 9.02 |
| 14 | 9.13 | 9.52 | 10.22 | 10.71 | 10.58 | 10.95 | 10.89 | 9.62 |
| 16 | 9.24 | 9.66 | 10.46 | 11.23 | 11.14 | 11.47 | 12.1 | 10.41 |
| 20 | 9.55 | 10.08 | 10.8 | 11.8 | 12.72 | 12.96 | 14.13 | 12.86 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.4° | 4.46 | 141.9° | 4.66 |
| 8 | 41.8° | 5.49 | 140.8° | 5.92 |
| 10 | 39.4° | 6.08 | 146.9° | 6.99 |
| 12 | 38.4° | 6.36 | 152.8° | 7.77 |
| 14 | 37.6° | 6.51 | 150.2° | 8.33 |
| 16 | 36.6° | 6.68 | 147.6° | 9.02 |
| 20 | 36.3° | 6.81 | 141.7° | 11.14 |
Loading polar chart…