ALEGRA
GRE DIDI 28Sail number GRE/GRE2125
GPH
722.8
OSN
695.1
LOA
8.4 m
Displacement
1505 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5182
Medium
0.7527
High
0.8959
Triple Offshore
Low
0.6812
Medium
0.9569
High
1.1281
Boat Specifications
Dimensions
- Length overall
- 8.4 m
- Beam
- 2.88 m
- Draft
- 1.67 m
- Displacement
- 1505 kg
- Crew weight
- 350 kg
- Wetted surface
- 17.05 m²
Sails
- Mainsail
- 19.53 m²
- Genoa
- 12.22 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 45.94 m²
Design
- Type
- DIDI 28
- Builder
- owner
- Designer
- Dudley Dix
- Year built
- 2014
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 3.92 | 4.19 | 4.44 | 4.89 | 4.93 | 4.72 | 4.19 | 3.54 |
| 8 | 4.94 | 5.24 | 5.61 | 6.07 | 6.13 | 5.93 | 5.38 | 4.62 |
| 10 | 5.71 | 6.01 | 6.36 | 6.79 | 6.88 | 6.73 | 6.32 | 5.55 |
| 12 | 6.3 | 6.53 | 6.73 | 7.18 | 7.54 | 7.37 | 6.95 | 6.25 |
| 14 | 6.64 | 6.9 | 7.15 | 7.41 | 8.17 | 8.06 | 7.55 | 6.72 |
| 16 | 6.74 | 7.06 | 7.55 | 7.61 | 8.55 | 8.89 | 8.22 | 7.15 |
| 20 | 6.81 | 7.17 | 7.84 | 8.48 | 9.22 | 10.04 | 10.06 | 8.43 |
| 24 | 6.76 | 7.17 | 7.92 | 8.81 | 9.85 | 11.05 | 13.12 | 11.06 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45.2° | 2.51 | 144.3° | 3.07 |
| 8 | 43.7° | 3.2 | 145.6° | 4 |
| 10 | 42.9° | 3.78 | 146.1° | 4.81 |
| 12 | 41.8° | 4.24 | 147.1° | 5.42 |
| 14 | 40.5° | 4.53 | 147.2° | 5.82 |
| 16 | 40.4° | 4.59 | 171.7° | 6.32 |
| 20 | 42.1° | 4.6 | 140.9° | 7.3 |
| 24 | 43.5° | 4.52 | 138.5° | 9.58 |
Loading polar chart…