GEMMA
EST POLARISSail number EST/EST637
GPH
731.4
OSN
709.7
LOA
7.597 m
Displacement
1854 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5745
Medium
0.767
High
0.8662
Triple Offshore
Low
0.7321
Medium
0.9185
High
1.0152
Boat Specifications
Dimensions
- Length overall
- 7.597 m
- Beam
- 2.69 m
- Draft
- 1.56 m
- Displacement
- 1854 kg
- Crew weight
- 425 kg
- Wetted surface
- 13.08 m²
Sails
- Mainsail
- 20.71 m²
- Genoa
- 14.34 m²
- Spinnaker
- 34.77 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 | 4.7 | 4.9 | 5 | 4.95 | 4.92 | 4.74 | 4.26 | 3.61 |
| 8 | 5.42 | 5.56 | 5.63 | 5.71 | 5.7 | 5.58 | 5.17 | 4.57 |
| 10 | 5.75 | 5.85 | 5.95 | 6.07 | 6.1 | 6.01 | 5.77 | 5.34 |
| 12 | 5.93 | 6.04 | 6.15 | 6.3 | 6.4 | 6.32 | 6.11 | 5.83 |
| 14 | 6.04 | 6.17 | 6.32 | 6.49 | 6.69 | 6.62 | 6.4 | 6.15 |
| 16 | 6.1 | 6.25 | 6.47 | 6.62 | 7.01 | 6.97 | 6.71 | 6.42 |
| 20 | 6.16 | 6.34 | 6.66 | 6.96 | 7.57 | 7.78 | 7.52 | 7.06 |
| 24 | 6.17 | 6.38 | 6.78 | 7.22 | 7.93 | 8.58 | 8.72 | 7.94 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.13 | 146.6° | 3.12 |
| 8 | 40.6° | 3.72 | 151.8° | 3.96 |
| 10 | 38.2° | 4.12 | 156.5° | 4.68 |
| 12 | 36.6° | 4.35 | 171.2° | 5.3 |
| 14 | 36.3° | 4.44 | 179° | 5.77 |
| 16 | 36.1° | 4.48 | 179.4° | 6.09 |
| 20 | 36.5° | 4.5 | 179.4° | 6.62 |
| 24 | 37.9° | 4.43 | 178.4° | 7.28 |
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