AIA DE MA
ITA Portobello 28 QBSail number ITA/ITA14977
GPH
621.1
OSN
607.9
LOA
8.509 m
Displacement
1549 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6795
Medium
0.8645
High
0.981
Triple Offshore
Low
0.8726
Medium
1.074
High
1.2045
Boat Specifications
Dimensions
- Length overall
- 8.509 m
- Beam
- 2.47 m
- Draft
- 2.03 m
- Displacement
- 1549 kg
- Crew weight
- 300 kg
- Wetted surface
- 15.46 m²
Sails
- Mainsail
- 28.78 m²
- Genoa
- 17.95 m²
- Spinnaker
- 57.1 m²
- Asymmetric spinnaker
- 60.16 m²
Design
- Type
- Portobello 28 QB
- Builder
- Marena
- Designer
- Judel/Vrolijk
- Year built
- 2004
- Stability index
- 106.3
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.47 | 5.79 | 6.02 | 5.99 | 6.02 | 5.84 | 5.22 | 4.39 |
| 8 | 6.36 | 6.57 | 6.74 | 6.73 | 6.93 | 6.82 | 6.43 | 5.58 |
| 10 | 6.55 | 6.77 | 7.14 | 7.3 | 7.49 | 7.59 | 7.12 | 6.5 |
| 12 | 6.62 | 6.86 | 7.33 | 7.79 | 7.89 | 8.23 | 7.92 | 7.1 |
| 14 | 6.7 | 6.94 | 7.44 | 8.02 | 8.27 | 8.72 | 8.94 | 7.81 |
| 16 | 6.77 | 7.07 | 7.56 | 8.18 | 8.83 | 9.21 | 10.09 | 8.66 |
| 20 | 6.78 | 7.12 | 7.8 | 8.48 | 9.52 | 10.05 | 11.64 | 11.21 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.58 | 142.6° | 3.81 |
| 8 | 41.2° | 4.31 | 145.2° | 4.83 |
| 10 | 39.9° | 4.52 | 152.9° | 5.65 |
| 12 | 39.6° | 4.58 | 161.3° | 6.27 |
| 14 | 40° | 4.66 | 158.3° | 6.82 |
| 16 | 40.3° | 4.69 | 148.7° | 7.5 |
| 20 | 41.4° | 4.64 | 143.2° | 9.71 |
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