SPITHA
GRE GIBSEA 312Sail number GRE/GRE1075
GPH
761.7
OSN
733.7
LOA
9.08 m
Displacement
4174 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5774
Medium
0.8191
High
0.9931
Triple Offshore
Low
0.7462
Medium
1.0107
High
1.1741
Boat Specifications
Dimensions
- Length overall
- 9.08 m
- Beam
- 3.3 m
- Draft
- 1.83 m
- Displacement
- 4174 kg
- Crew weight
- 535 kg
- Wetted surface
- 21.05 m²
Sails
- Mainsail
- 20.86 m²
- Genoa
- 24.22 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- GIBSEA 312
- Builder
- GIBSEA MARINE
- Designer
- HUMPHREYS
- Year built
- 1991
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.36 | 4.61 | 4.79 | 4.73 | 4.34 | 4.06 | 3.56 | 3.08 |
| 8 | 5.18 | 5.46 | 5.66 | 5.6 | 5.25 | 4.96 | 4.49 | 4.01 |
| 10 | 5.81 | 6.06 | 6.24 | 6.23 | 6.01 | 5.74 | 5.25 | 4.78 |
| 12 | 6.21 | 6.38 | 6.53 | 6.56 | 6.45 | 6.3 | 5.93 | 5.45 |
| 14 | 6.43 | 6.58 | 6.72 | 6.79 | 6.72 | 6.62 | 6.39 | 6.05 |
| 16 | 6.56 | 6.72 | 6.9 | 7.03 | 6.96 | 6.86 | 6.67 | 6.45 |
| 20 | 6.63 | 6.84 | 7.19 | 7.47 | 7.48 | 7.37 | 7.14 | 6.93 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.9° | 2.84 | 158.9° | 2.69 |
| 8 | 42.2° | 3.43 | 165.5° | 3.53 |
| 10 | 41.6° | 3.87 | 171° | 4.28 |
| 12 | 41° | 4.25 | 173.5° | 4.94 |
| 14 | 39.4° | 4.54 | 174.1° | 5.55 |
| 16 | 38.6° | 4.68 | 177.4° | 6.09 |
| 20 | 38.6° | 4.7 | 179.3° | 6.7 |
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