LIGO-LIGO
GRE SHAMROCKSail number GRE/GRE4947
GPH
725.3
OSN
702.1
LOA
9.046 m
Displacement
3609 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5699
Medium
0.7688
High
0.8783
Triple Offshore
Low
0.7264
Medium
0.9329
High
1.0338
Boat Specifications
Dimensions
- Length overall
- 9.046 m
- Beam
- 3.1 m
- Draft
- 1.69 m
- Displacement
- 3609 kg
- Crew weight
- 400 kg
- Wetted surface
- 18.46 m²
Sails
- Mainsail
- 17.73 m²
- Genoa
- 31.23 m²
- Spinnaker
- 62.03 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- SHAMROCK
- Builder
- SOUTH COAST BOATY.
- Designer
- R. HOLLAND
- Year built
- 1975
- Stability index
- 121.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.58 | 4.8 | 4.93 | 4.82 | 4.82 | 4.69 | 4.27 | 3.66 |
| 8 | 5.38 | 5.58 | 5.7 | 5.64 | 5.78 | 5.67 | 5.25 | 4.65 |
| 10 | 5.84 | 5.99 | 6.11 | 6.16 | 6.29 | 6.23 | 5.97 | 5.47 |
| 12 | 6.09 | 6.22 | 6.35 | 6.43 | 6.6 | 6.57 | 6.39 | 6.05 |
| 14 | 6.23 | 6.37 | 6.53 | 6.59 | 6.85 | 6.85 | 6.69 | 6.41 |
| 16 | 6.3 | 6.46 | 6.67 | 6.75 | 7.07 | 7.11 | 6.97 | 6.7 |
| 20 | 6.35 | 6.54 | 6.84 | 7.03 | 7.37 | 7.6 | 7.57 | 7.23 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.02 | 146.9° | 3.17 |
| 8 | 41.5° | 3.63 | 151.1° | 4.03 |
| 10 | 40° | 4.06 | 154.1° | 4.76 |
| 12 | 38.8° | 4.32 | 161.3° | 5.38 |
| 14 | 38.4° | 4.43 | 175.4° | 5.91 |
| 16 | 38.2° | 4.5 | 179° | 6.29 |
| 20 | 38.5° | 4.52 | 179° | 6.83 |
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