Tora
NOR MAMBA 33Sail number NOR/NOR5801
GPH
686.7
OSN
665.5
LOA
9.85 m
Displacement
4643 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5958
Medium
0.8088
High
0.9295
Triple Offshore
Low
0.7652
Medium
0.9864
High
1.0961
Boat Specifications
Dimensions
- Length overall
- 9.85 m
- Beam
- 3.27 m
- Draft
- 1.75 m
- Displacement
- 4643 kg
- Crew weight
- 534 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
- 113.1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.88 | 5.13 | 5.28 | 5.17 | 5.12 | 4.95 | 4.44 | 3.76 |
| 8 | 5.73 | 5.95 | 6.09 | 6.06 | 6.13 | 5.97 | 5.46 | 4.79 |
| 10 | 6.23 | 6.39 | 6.52 | 6.58 | 6.67 | 6.59 | 6.24 | 5.66 |
| 12 | 6.48 | 6.63 | 6.77 | 6.86 | 7.01 | 6.96 | 6.71 | 6.32 |
| 14 | 6.6 | 6.76 | 6.95 | 7.03 | 7.3 | 7.27 | 7.05 | 6.73 |
| 16 | 6.66 | 6.84 | 7.09 | 7.22 | 7.53 | 7.56 | 7.38 | 7.05 |
| 20 | 6.73 | 6.92 | 7.23 | 7.5 | 7.86 | 8.08 | 8.01 | 7.67 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.2 | 146° | 3.25 |
| 8 | 41.2° | 3.86 | 151.1° | 4.15 |
| 10 | 39.9° | 4.33 | 154.1° | 4.92 |
| 12 | 38.8° | 4.58 | 161° | 5.61 |
| 14 | 38.4° | 4.7 | 175.4° | 6.19 |
| 16 | 38.1° | 4.77 | 179° | 6.62 |
| 20 | 37.8° | 4.82 | 179° | 7.23 |
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