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BUL SB20 ONE DESIGNSail number BUL/BUL691
GPH
700.2
OSN
682.1
LOA
6.141 m
Displacement
696 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6074
Medium
0.7706
High
0.8878
Triple Offshore
Low
0.7693
Medium
0.9514
High
1.0891
Boat Specifications
Dimensions
- Length overall
- 6.141 m
- Beam
- 2.15 m
- Draft
- 1.51 m
- Displacement
- 696 kg
- Crew weight
- 270 kg
- Wetted surface
- 9.46 m²
Sails
- Mainsail
- 17.56 m²
- Genoa
- 8.86 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 44.5 m²
Design
- Type
- SB20 ONE DESIGN
- Designer
- TONY CASTRO
- Year built
- 2003
- Stability index
- 102.6
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.7 | 4.92 | 5.04 | 5.25 | 5.34 | 5.22 | 4.78 | 4.09 |
| 8 | 5.39 | 5.55 | 5.67 | 5.86 | 6.06 | 6.01 | 5.67 | 5.09 |
| 10 | 5.73 | 5.89 | 6.07 | 6.16 | 6.65 | 6.68 | 6.34 | 5.74 |
| 12 | 5.89 | 6.13 | 6.44 | 6.56 | 7.07 | 7.36 | 7.08 | 6.29 |
| 14 | 5.97 | 6.25 | 6.7 | 7 | 7.44 | 7.93 | 7.96 | 6.92 |
| 16 | 6.02 | 6.33 | 6.86 | 7.38 | 7.82 | 8.45 | 9.02 | 7.78 |
| 20 | 6.07 | 6.41 | 7.06 | 7.86 | 8.55 | 9.63 | 11.65 | 11.01 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.13 | 145.6° | 3.54 |
| 8 | 40° | 3.72 | 149.2° | 4.41 |
| 10 | 38.1° | 4.07 | 150.1° | 4.97 |
| 12 | 38.1° | 4.17 | 147.8° | 5.44 |
| 14 | 38.2° | 4.2 | 145° | 5.99 |
| 16 | 38.7° | 4.21 | 143° | 6.73 |
| 20 | 39.9° | 4.16 | 144° | 9.53 |
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