NIKI
GRE SIGMA 33Sail number GRE/GRE860
GPH
750.5
OSN
723.1
LOA
9.868 m
Displacement
4706 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.521
Medium
0.7307
High
0.8856
Triple Offshore
Low
0.6727
Medium
0.9123
High
1.0575
Boat Specifications
Dimensions
- Length overall
- 9.868 m
- Beam
- 3.21 m
- Draft
- 1.82 m
- Displacement
- 4706 kg
- Crew weight
- 480 kg
- Wetted surface
- 21.3 m²
Sails
- Mainsail
- 21.08 m²
- Genoa
- 25.2 m²
- Spinnaker
- 57.75 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- SIGMA 33
- Builder
- MARINE PROJECTS
- Designer
- DAVID THOMAS
- Year built
- 1978
- Stability index
- 120.3
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.08 | 4.34 | 4.53 | 4.53 | 4.64 | 4.51 | 4.06 | 3.5 |
| 8 | 4.9 | 5.18 | 5.38 | 5.53 | 5.67 | 5.52 | 5.04 | 4.47 |
| 10 | 5.54 | 5.86 | 6.09 | 6.3 | 6.42 | 6.33 | 5.94 | 5.29 |
| 12 | 6.06 | 6.29 | 6.47 | 6.68 | 6.79 | 6.74 | 6.5 | 6.06 |
| 14 | 6.35 | 6.53 | 6.7 | 6.9 | 7.09 | 7.03 | 6.83 | 6.53 |
| 16 | 6.52 | 6.69 | 6.88 | 7.01 | 7.37 | 7.33 | 7.13 | 6.84 |
| 20 | 6.63 | 6.84 | 7.15 | 7.32 | 7.77 | 7.92 | 7.77 | 7.41 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45° | 2.62 | 147.8° | 3.03 |
| 8 | 43° | 3.22 | 151.6° | 3.88 |
| 10 | 41.8° | 3.66 | 153.8° | 4.6 |
| 12 | 42° | 4.04 | 155.6° | 5.29 |
| 14 | 41.4° | 4.35 | 166.4° | 5.9 |
| 16 | 40.5° | 4.53 | 177.2° | 6.39 |
| 20 | 40.5° | 4.61 | 179° | 6.97 |
Loading polar chart…