GEMMA
EST POLARISSail number EST/EST637
GPH
723.8
OSN
701.6
LOA
7.62 m
Displacement
1700 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5683
Medium
0.7723
High
0.8813
Triple Offshore
Low
0.7294
Medium
0.9328
High
1.041
Boat Specifications
Dimensions
- Length overall
- 7.62 m
- Beam
- 2.71 m
- Draft
- 1.57 m
- Displacement
- 1700 kg
- Crew weight
- 425 kg
- Wetted surface
- 12.67 m²
Sails
- Mainsail
- 21.07 m²
- Genoa
- 14.34 m²
- Spinnaker
- 34.77 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- POLARIS
- Builder
- SET
- Designer
- SET
- Year built
- 1992
- Stability index
- 108.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.62 | 4.86 | 5.02 | 4.98 | 4.93 | 4.74 | 4.24 | 3.61 |
| 8 | 5.45 | 5.63 | 5.73 | 5.81 | 5.8 | 5.67 | 5.19 | 4.55 |
| 10 | 5.83 | 5.95 | 6.05 | 6.2 | 6.21 | 6.12 | 5.87 | 5.38 |
| 12 | 6.05 | 6.17 | 6.3 | 6.52 | 6.59 | 6.48 | 6.23 | 5.93 |
| 14 | 6.17 | 6.34 | 6.54 | 6.76 | 6.95 | 6.86 | 6.58 | 6.26 |
| 16 | 6.24 | 6.44 | 6.74 | 6.89 | 7.29 | 7.22 | 6.94 | 6.6 |
| 20 | 6.29 | 6.53 | 6.94 | 7.28 | 7.74 | 7.95 | 7.66 | 7.27 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.8° | 3.06 | 147.5° | 3.13 |
| 8 | 41.4° | 3.66 | 152° | 3.94 |
| 10 | 39.4° | 4.13 | 153.8° | 4.69 |
| 12 | 37.2° | 4.41 | 166.4° | 5.36 |
| 14 | 36.4° | 4.51 | 179° | 5.86 |
| 16 | 36.3° | 4.56 | 179° | 6.2 |
| 20 | 36.6° | 4.55 | 179° | 6.84 |
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