Butterfly
NOR MAMBA 29Sail number NOR/NOR8100
GPH
711.6
OSN
690.7
LOA
8.7 m
Displacement
3168 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.581
Medium
0.7792
High
0.8877
Triple Offshore
Low
0.7441
Medium
0.9497
High
1.0479
Boat Specifications
Dimensions
- Length overall
- 8.7 m
- Beam
- 2.63 m
- Draft
- 1.57 m
- Displacement
- 3168 kg
- Crew weight
- 437 kg
- Wetted surface
- 17.95 m²
Sails
- Mainsail
- 21.61 m²
- Genoa
- 26.31 m²
- Spinnaker
- 54.64 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- MAMBA 29
- Designer
- JanBecker
- Year built
- 1981
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.76 | 4.99 | 5.11 | 4.99 | 4.97 | 4.8 | 4.3 | 3.64 |
| 8 | 5.56 | 5.75 | 5.88 | 5.85 | 5.94 | 5.79 | 5.3 | 4.65 |
| 10 | 6 | 6.16 | 6.28 | 6.32 | 6.44 | 6.37 | 6.05 | 5.49 |
| 12 | 6.2 | 6.36 | 6.52 | 6.54 | 6.76 | 6.72 | 6.49 | 6.12 |
| 14 | 6.29 | 6.45 | 6.67 | 6.75 | 7.02 | 7.02 | 6.82 | 6.51 |
| 16 | 6.33 | 6.5 | 6.75 | 6.92 | 7.19 | 7.31 | 7.15 | 6.82 |
| 20 | 6.39 | 6.57 | 6.86 | 7.11 | 7.45 | 7.78 | 7.82 | 7.44 |
| 24 | 6.4 | 6.59 | 6.91 | 7.24 | 7.53 | 8.12 | 8.67 | 8.18 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.14 | 145.8° | 3.16 |
| 8 | 40.6° | 3.78 | 150.5° | 4.03 |
| 10 | 39.2° | 4.18 | 153.8° | 4.78 |
| 12 | 39° | 4.36 | 161.4° | 5.43 |
| 14 | 38.5° | 4.46 | 175° | 5.99 |
| 16 | 38.4° | 4.51 | 178.6° | 6.4 |
| 20 | 38.4° | 4.56 | 179° | 6.99 |
| 24 | 39° | 4.52 | 178.6° | 7.58 |
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