GEMMA
EST POLARISSail number EST/EST637
GPH
717.5
OSN
698.5
LOA
7.62 m
Displacement
1567 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5797
Medium
0.7755
High
0.8703
Triple Offshore
Low
0.7431
Medium
0.938
High
1.0364
Boat Specifications
Dimensions
- Length overall
- 7.62 m
- Beam
- 2.71 m
- Draft
- 1.55 m
- Displacement
- 1567 kg
- Crew weight
- 350 kg
- Wetted surface
- 12.22 m²
Sails
- Mainsail
- 20.36 m²
- Genoa
- 14.3 m²
- Spinnaker
- 31.79 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- POLARIS
- Builder
- SET
- Designer
- SET
- Year built
- 1992
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.75 | 5 | 5.17 | 5.11 | 5.01 | 4.82 | 4.31 | 3.67 |
| 8 | 5.52 | 5.68 | 5.8 | 5.84 | 5.83 | 5.71 | 5.26 | 4.61 |
| 10 | 5.87 | 5.99 | 6.1 | 6.23 | 6.25 | 6.15 | 5.89 | 5.43 |
| 12 | 6.04 | 6.19 | 6.36 | 6.54 | 6.65 | 6.54 | 6.26 | 5.94 |
| 14 | 6.12 | 6.31 | 6.58 | 6.73 | 7.02 | 6.92 | 6.63 | 6.29 |
| 16 | 6.16 | 6.38 | 6.73 | 6.95 | 7.35 | 7.29 | 7 | 6.64 |
| 20 | 6.15 | 6.41 | 6.84 | 7.27 | 7.76 | 8.11 | 7.8 | 7.34 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.6° | 3.14 | 148° | 3.17 |
| 8 | 41.2° | 3.75 | 152° | 4 |
| 10 | 38.6° | 4.19 | 155° | 4.74 |
| 12 | 37.5° | 4.36 | 180° | 5.41 |
| 14 | 37.1° | 4.42 | 180° | 5.9 |
| 16 | 37.3° | 4.44 | 180° | 6.24 |
| 20 | 38.2° | 4.39 | 180° | 6.92 |
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