NIKI
GRE SIGMA 33Sail number GRE/GRE860
GPH
744.7
OSN
717.9
LOA
9.868 m
Displacement
4707 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5946
Medium
0.8288
High
0.9969
Triple Offshore
Low
0.7649
Medium
1.0334
High
1.193
Boat Specifications
Dimensions
- Length overall
- 9.868 m
- Beam
- 3.21 m
- Draft
- 1.82 m
- Displacement
- 4707 kg
- Crew weight
- 480 kg
- Wetted surface
- 21.43 m²
Sails
- Mainsail
- 21.24 m²
- Genoa
- 27.07 m²
- Spinnaker
- 57.75 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- SIGMA 33
- Builder
- MARINE PROJECTS
- Designer
- DAVID THOMAS
- Year built
- 1978
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.14 | 4.38 | 4.58 | 4.53 | 4.65 | 4.52 | 4.09 | 3.52 |
| 8 | 4.94 | 5.2 | 5.43 | 5.53 | 5.67 | 5.53 | 5.06 | 4.48 |
| 10 | 5.61 | 5.92 | 6.14 | 6.32 | 6.43 | 6.34 | 5.96 | 5.3 |
| 12 | 6.13 | 6.35 | 6.52 | 6.69 | 6.8 | 6.74 | 6.51 | 6.06 |
| 14 | 6.4 | 6.58 | 6.75 | 6.92 | 7.1 | 7.04 | 6.84 | 6.53 |
| 16 | 6.54 | 6.72 | 6.92 | 7.01 | 7.38 | 7.35 | 7.13 | 6.83 |
| 20 | 6.62 | 6.84 | 7.18 | 7.36 | 7.78 | 7.93 | 7.76 | 7.39 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 2.69 | 147.9° | 3.05 |
| 8 | 41.9° | 3.29 | 151.6° | 3.89 |
| 10 | 41.4° | 3.72 | 153.7° | 4.6 |
| 12 | 42.1° | 4.1 | 155.6° | 5.29 |
| 14 | 41.4° | 4.38 | 173.7° | 5.92 |
| 16 | 40.6° | 4.53 | 180° | 6.42 |
| 20 | 40.4° | 4.57 | 180° | 7 |
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