FISHBONE
ITA SB20 ONE DESIGNSail number ITA/ITA3155SB3
GPH
700.7
OSN
682.1
LOA
6.141 m
Displacement
696 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6015
Medium
0.7704
High
0.894
Triple Offshore
Low
0.765
Medium
0.952
High
1.1004
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
- 9.04 m²
Sails
- Mainsail
- 17.56 m²
- Genoa
- 8.86 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 44.5 m²
Design
- Type
- SB20 ONE DESIGN
- Builder
- Laser
- Designer
- TONY CASTRO
- Year built
- 2003
- Stability index
- 102.4
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.61 | 4.87 | 5.05 | 5.32 | 5.38 | 5.26 | 4.81 | 4.12 |
| 8 | 5.37 | 5.53 | 5.64 | 5.9 | 6.06 | 5.97 | 5.67 | 5.13 |
| 10 | 5.71 | 5.85 | 6.02 | 6.21 | 6.71 | 6.69 | 6.29 | 5.73 |
| 12 | 5.88 | 6.12 | 6.44 | 6.53 | 7.16 | 7.48 | 7.04 | 6.23 |
| 14 | 5.94 | 6.24 | 6.76 | 7.07 | 7.57 | 8.05 | 7.96 | 6.88 |
| 16 | 5.97 | 6.3 | 6.91 | 7.55 | 7.96 | 8.58 | 9.14 | 7.69 |
| 20 | 6.1 | 6.48 | 7.08 | 7.98 | 9.43 | 9.83 | 11.82 | 11.29 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.03 | 145.7° | 3.57 |
| 8 | 41.2° | 3.65 | 149.6° | 4.45 |
| 10 | 38.7° | 4.07 | 151.1° | 4.96 |
| 12 | 37.6° | 4.21 | 147.5° | 5.4 |
| 14 | 37.8° | 4.23 | 144.8° | 5.96 |
| 16 | 38.1° | 4.22 | 143.2° | 6.66 |
| 20 | 38.8° | 4.24 | 143° | 9.78 |
Loading polar chart…