Tramontana
NED Dehler 31Sail number NED/NED8612
GPH
687.3
OSN
670.2
LOA
9.43 m
Displacement
3500 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6692
Medium
0.9006
High
1.0184
Triple Offshore
Low
0.864
Medium
1.1064
High
1.2237
Boat Specifications
Dimensions
- Length overall
- 9.43 m
- Beam
- 3.12 m
- Draft
- 1.51 m
- Displacement
- 3500 kg
- Crew weight
- 454 kg
- Wetted surface
- 19.4 m²
Sails
- Mainsail
- 30.16 m²
- Genoa
- 25.36 m²
- Spinnaker
- 51.6 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Dehler 31
- Builder
- Dehler
- Designer
- vd Stadt & prtnrs
- Year built
- 1985
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.85 | 5.12 | 5.35 | 5.31 | 5.17 | 5 | 4.52 | 3.83 |
| 8 | 5.73 | 6 | 6.19 | 6.18 | 6.18 | 6.03 | 5.51 | 4.82 |
| 10 | 6.26 | 6.44 | 6.57 | 6.64 | 6.68 | 6.59 | 6.29 | 5.68 |
| 12 | 6.47 | 6.64 | 6.82 | 6.94 | 7.04 | 6.95 | 6.7 | 6.35 |
| 14 | 6.55 | 6.75 | 7.01 | 7.12 | 7.4 | 7.31 | 7.04 | 6.73 |
| 16 | 6.58 | 6.8 | 7.14 | 7.36 | 7.73 | 7.69 | 7.41 | 7.05 |
| 20 | 6.58 | 6.81 | 7.24 | 7.69 | 8.12 | 8.37 | 8.14 | 7.73 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.17 | 147.5° | 3.32 |
| 8 | 43.5° | 3.77 | 152.3° | 4.18 |
| 10 | 42° | 4.25 | 153.6° | 4.95 |
| 12 | 41.2° | 4.47 | 165.4° | 5.66 |
| 14 | 40.9° | 4.54 | 180° | 6.27 |
| 16 | 41.1° | 4.55 | 180° | 6.65 |
| 20 | 42.1° | 4.51 | 180° | 7.29 |
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