PHAEDRA
GRE GIBSEA 312 (SK)Sail number GRE/GRE1634
GPH
713
OSN
690.8
LOA
9.08 m
Displacement
3500 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5655
Medium
0.7738
High
0.8833
Triple Offshore
Low
0.7316
Medium
0.9535
High
1.0589
Boat Specifications
Dimensions
- Length overall
- 9.08 m
- Beam
- 3.3 m
- Draft
- 1.38 m
- Displacement
- 3500 kg
- Crew weight
- 400 kg
- Wetted surface
- 19.14 m²
Sails
- Mainsail
- 22.2 m²
- Genoa
- 25.5 m²
- Spinnaker
- 54.16 m²
- Asymmetric spinnaker
- 58.09 m²
Design
- Type
- GIBSEA 312 (SK)
- Builder
- GIBSEA
- Designer
- HUMPHREYS
- Year built
- 1991
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.51 | 4.8 | 4.97 | 4.98 | 5.05 | 4.88 | 4.41 | 3.74 |
| 8 | 5.39 | 5.66 | 5.84 | 5.93 | 6.05 | 5.92 | 5.47 | 4.76 |
| 10 | 5.93 | 6.14 | 6.31 | 6.45 | 6.58 | 6.52 | 6.23 | 5.63 |
| 12 | 6.24 | 6.42 | 6.59 | 6.73 | 6.92 | 6.89 | 6.66 | 6.26 |
| 14 | 6.4 | 6.58 | 6.78 | 6.9 | 7.21 | 7.21 | 7 | 6.66 |
| 16 | 6.46 | 6.67 | 6.93 | 7.04 | 7.46 | 7.52 | 7.32 | 6.97 |
| 20 | 6.45 | 6.69 | 7.07 | 7.36 | 7.83 | 8.17 | 8.05 | 7.59 |
| 24 | 6.35 | 6.66 | 7.11 | 7.55 | 8.12 | 8.73 | 9.1 | 8.39 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45.3° | 2.9 | 144.3° | 3.24 |
| 8 | 43.6° | 3.54 | 148.2° | 4.13 |
| 10 | 42° | 4 | 152.4° | 4.89 |
| 12 | 40.9° | 4.29 | 159.9° | 5.54 |
| 14 | 40.6° | 4.41 | 173.6° | 6.1 |
| 16 | 40.5° | 4.46 | 178.3° | 6.52 |
| 20 | 41.4° | 4.39 | 179° | 7.13 |
| 24 | 43.9° | 4.17 | 178.6° | 7.72 |
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