RED MAMBA
ITA Portobello 28 QBSail number ITA/ITA14977
GPH
620.3
OSN
607.8
LOA
8.509 m
Displacement
1549 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.688
Medium
0.8659
High
0.9723
Triple Offshore
Low
0.8788
Medium
1.073
High
1.1942
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 | 5.6 | 5.87 | 6.04 | 5.95 | 5.97 | 5.81 | 5.22 | 4.39 |
| 8 | 6.35 | 6.57 | 6.74 | 6.72 | 6.88 | 6.8 | 6.38 | 5.54 |
| 10 | 6.56 | 6.79 | 7.12 | 7.26 | 7.43 | 7.51 | 7.12 | 6.45 |
| 12 | 6.66 | 6.91 | 7.32 | 7.68 | 7.81 | 8.15 | 7.87 | 7.1 |
| 14 | 6.71 | 6.99 | 7.47 | 7.95 | 8.18 | 8.64 | 8.81 | 7.77 |
| 16 | 6.74 | 7.04 | 7.57 | 8.15 | 8.62 | 9.14 | 9.87 | 8.59 |
| 20 | 6.72 | 7.05 | 7.67 | 8.39 | 9.46 | 10.05 | 11.61 | 10.99 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.72 | 142.6° | 3.8 |
| 8 | 39.6° | 4.36 | 146.9° | 4.8 |
| 10 | 38.8° | 4.56 | 152.9° | 5.6 |
| 12 | 38.8° | 4.63 | 159.2° | 6.24 |
| 14 | 39.6° | 4.65 | 165.8° | 6.82 |
| 16 | 40° | 4.65 | 149.6° | 7.44 |
| 20 | 41.4° | 4.58 | 143.1° | 9.52 |
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