GEMMA
EST POLARISSail number EST/EST637
GPH
725.7
OSN
704.8
LOA
7.6 m
Displacement
1665 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5816
Medium
0.7705
High
0.8677
Triple Offshore
Low
0.7398
Medium
0.9244
High
1.0219
Boat Specifications
Dimensions
- Length overall
- 7.6 m
- Beam
- 2.7 m
- Draft
- 1.56 m
- Displacement
- 1665 kg
- Crew weight
- 425 kg
- Wetted surface
- 12.52 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
- Stability index
- 102.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.76 | 4.96 | 5.06 | 4.99 | 4.96 | 4.78 | 4.3 | 3.65 |
| 8 | 5.45 | 5.6 | 5.67 | 5.74 | 5.73 | 5.61 | 5.21 | 4.61 |
| 10 | 5.78 | 5.89 | 5.99 | 6.11 | 6.15 | 6.06 | 5.8 | 5.38 |
| 12 | 5.96 | 6.08 | 6.21 | 6.36 | 6.48 | 6.39 | 6.16 | 5.87 |
| 14 | 6.06 | 6.21 | 6.39 | 6.54 | 6.79 | 6.73 | 6.48 | 6.2 |
| 16 | 6.12 | 6.28 | 6.53 | 6.68 | 7.11 | 7.1 | 6.82 | 6.51 |
| 20 | 6.18 | 6.37 | 6.7 | 7.04 | 7.65 | 7.98 | 7.71 | 7.19 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42° | 3.18 | 146.9° | 3.16 |
| 8 | 40.5° | 3.77 | 152.3° | 4 |
| 10 | 38.1° | 4.15 | 157.7° | 4.71 |
| 12 | 36.9° | 4.35 | 171.8° | 5.33 |
| 14 | 36.6° | 4.42 | 179° | 5.81 |
| 16 | 36.6° | 4.47 | 179° | 6.14 |
| 20 | 37° | 4.47 | 179° | 6.73 |
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