TWEETY
GRE ALBIN BALLADSail number GRE/GRE49433
GPH
737.9
OSN
714
LOA
9.155 m
Displacement
3501 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5561
Medium
0.7516
High
0.8665
Triple Offshore
Low
0.7094
Medium
0.9183
High
1.0267
Boat Specifications
Dimensions
- Length overall
- 9.155 m
- Beam
- 2.94 m
- Draft
- 1.56 m
- Displacement
- 3501 kg
- Crew weight
- 420 kg
- Wetted surface
- 18.21 m²
Sails
- Mainsail
- 18.37 m²
- Genoa
- 29.27 m²
- Spinnaker
- 60.6 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- ALBIN BALLAD
- Builder
- ALBIN
- Designer
- R. MAGNUSON
- Year built
- 1972
- Stability index
- 123.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.45 | 4.67 | 4.79 | 4.7 | 4.73 | 4.6 | 4.2 | 3.61 |
| 8 | 5.23 | 5.44 | 5.58 | 5.54 | 5.69 | 5.57 | 5.16 | 4.58 |
| 10 | 5.73 | 5.9 | 6.03 | 6.11 | 6.24 | 6.18 | 5.9 | 5.38 |
| 12 | 6.01 | 6.16 | 6.31 | 6.41 | 6.59 | 6.55 | 6.35 | 5.99 |
| 14 | 6.17 | 6.33 | 6.5 | 6.57 | 6.86 | 6.86 | 6.68 | 6.38 |
| 16 | 6.26 | 6.43 | 6.66 | 6.75 | 7.07 | 7.14 | 6.99 | 6.69 |
| 20 | 6.33 | 6.53 | 6.84 | 7.04 | 7.39 | 7.61 | 7.58 | 7.26 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 2.93 | 147.5° | 3.13 |
| 8 | 41.8° | 3.5 | 151.4° | 3.97 |
| 10 | 40.8° | 3.92 | 154.1° | 4.68 |
| 12 | 39.9° | 4.2 | 161° | 5.31 |
| 14 | 39.6° | 4.33 | 173.9° | 5.85 |
| 16 | 39.4° | 4.41 | 178.1° | 6.25 |
| 20 | 39.4° | 4.45 | 179° | 6.83 |
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