Tora
NOR MAMBA 33Sail number NOR/NOR5801
GPH
690.9
OSN
669.9
LOA
9.85 m
Displacement
4643 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5871
Medium
0.8015
High
0.9256
Triple Offshore
Low
0.7563
Medium
0.9816
High
1.0963
Boat Specifications
Dimensions
- Length overall
- 9.85 m
- Beam
- 3.27 m
- Draft
- 1.75 m
- Displacement
- 4643 kg
- Crew weight
- 537 kg
- Wetted surface
- 22.06 m²
Sails
- Mainsail
- 30.13 m²
- Genoa
- 29.31 m²
- Spinnaker
- 61.78 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- MAMBA 33
- Builder
- BK Marin AB
- Designer
- Bengt Karlsson
- Year built
- 1984
- Stability index
- 113
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.75 | 5.02 | 5.21 | 5.13 | 5.1 | 4.94 | 4.46 | 3.8 |
| 8 | 5.6 | 5.9 | 6.1 | 6.09 | 6.15 | 5.99 | 5.44 | 4.79 |
| 10 | 6.21 | 6.39 | 6.53 | 6.61 | 6.67 | 6.59 | 6.26 | 5.65 |
| 12 | 6.49 | 6.64 | 6.77 | 6.89 | 6.99 | 6.92 | 6.69 | 6.34 |
| 14 | 6.62 | 6.79 | 6.97 | 7.04 | 7.32 | 7.25 | 7.01 | 6.72 |
| 16 | 6.68 | 6.86 | 7.12 | 7.23 | 7.62 | 7.59 | 7.35 | 7.01 |
| 20 | 6.72 | 6.92 | 7.3 | 7.6 | 7.95 | 8.21 | 8.06 | 7.67 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.1 | 146.6° | 3.29 |
| 8 | 41.4° | 3.72 | 152° | 4.16 |
| 10 | 41.4° | 4.21 | 153.8° | 4.91 |
| 12 | 40° | 4.54 | 159.5° | 5.61 |
| 14 | 39.4° | 4.68 | 174.8° | 6.2 |
| 16 | 38.8° | 4.75 | 179° | 6.62 |
| 20 | 39° | 4.76 | 179° | 7.2 |
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