SKYBIRD
ESP SIGMA 33Sail number ESP/GBR4189_C
GPH
708.5
OSN
685.7
LOA
9.86 m
Displacement
4600 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5711
Medium
0.7818
High
0.9039
Triple Offshore
Low
0.735
Medium
0.9593
High
1.0725
Boat Specifications
Dimensions
- Length overall
- 9.86 m
- Beam
- 3.21 m
- Draft
- 1.82 m
- Displacement
- 4600 kg
- Crew weight
- 320 kg
- Wetted surface
- 20.76 m²
Sails
- Mainsail
- 27.77 m²
- Genoa
- 32.25 m²
- Spinnaker
- 60.38 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- SIGMA 33
- Builder
- MARINE PROJECTS
- Designer
- D.THOMAS
- Year built
- 1982
- Stability index
- 134.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.7 | 4.94 | 5.09 | 5 | 4.88 | 4.71 | 4.2 | 3.56 |
| 8 | 5.55 | 5.78 | 5.93 | 5.88 | 5.92 | 5.77 | 5.24 | 4.59 |
| 10 | 6.07 | 6.25 | 6.39 | 6.41 | 6.51 | 6.43 | 6.08 | 5.47 |
| 12 | 6.35 | 6.51 | 6.66 | 6.74 | 6.87 | 6.81 | 6.57 | 6.17 |
| 14 | 6.49 | 6.66 | 6.85 | 6.95 | 7.15 | 7.11 | 6.91 | 6.6 |
| 16 | 6.57 | 6.75 | 7 | 7.11 | 7.41 | 7.39 | 7.21 | 6.92 |
| 20 | 6.63 | 6.84 | 7.18 | 7.41 | 7.78 | 7.93 | 7.81 | 7.48 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.9° | 3.09 | 146.9° | 3.09 |
| 8 | 41.4° | 3.73 | 151.1° | 3.98 |
| 10 | 40.5° | 4.17 | 153.2° | 4.75 |
| 12 | 40° | 4.42 | 159.5° | 5.45 |
| 14 | 39.4° | 4.55 | 173° | 6.04 |
| 16 | 39° | 4.62 | 179° | 6.49 |
| 20 | 39° | 4.66 | 179° | 7.09 |
Loading polar chart…