TWEETY
GRE ALBIN BALLADSail number GRE/GRE49433
GPH
738.5
OSN
715.5
LOA
9.155 m
Displacement
3501 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5489
Medium
0.7476
High
0.8696
Triple Offshore
Low
0.7046
Medium
0.9189
High
1.0339
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 | 4.35 | 4.6 | 4.78 | 4.72 | 4.76 | 4.62 | 4.23 | 3.65 |
| 8 | 5.14 | 5.43 | 5.64 | 5.63 | 5.78 | 5.66 | 5.19 | 4.58 |
| 10 | 5.73 | 5.94 | 6.09 | 6.2 | 6.3 | 6.24 | 5.99 | 5.43 |
| 12 | 6.05 | 6.2 | 6.34 | 6.49 | 6.63 | 6.58 | 6.39 | 6.06 |
| 14 | 6.22 | 6.37 | 6.54 | 6.64 | 6.94 | 6.91 | 6.7 | 6.41 |
| 16 | 6.3 | 6.49 | 6.71 | 6.81 | 7.21 | 7.23 | 7.04 | 6.71 |
| 20 | 6.37 | 6.59 | 6.96 | 7.19 | 7.5 | 7.74 | 7.65 | 7.32 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 2.84 | 147.8° | 3.16 |
| 8 | 42° | 3.39 | 152° | 3.98 |
| 10 | 42.6° | 3.82 | 152° | 4.71 |
| 12 | 41.4° | 4.16 | 159.2° | 5.37 |
| 14 | 40.8° | 4.33 | 173.6° | 5.91 |
| 16 | 40.2° | 4.42 | 179° | 6.29 |
| 20 | 40° | 4.46 | 179° | 6.85 |
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