Tramontana
NED Dehler 31Sail number NED/NED8612
GPH
685.8
OSN
669.2
LOA
9.43 m
Displacement
3500 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.67
Medium
0.9024
High
1.021
Triple Offshore
Low
0.8675
Medium
1.108
High
1.2252
Boat Specifications
Dimensions
- Length overall
- 9.43 m
- Beam
- 3.12 m
- Draft
- 1.51 m
- Displacement
- 3500 kg
- Crew weight
- 455 kg
- Wetted surface
- 19.41 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 | 4.88 | 5.19 | 5.45 | 5.4 | 5.21 | 5.03 | 4.53 | 3.84 |
| 8 | 5.75 | 6.02 | 6.22 | 6.23 | 6.21 | 6.06 | 5.53 | 4.83 |
| 10 | 6.26 | 6.44 | 6.58 | 6.64 | 6.69 | 6.6 | 6.31 | 5.69 |
| 12 | 6.48 | 6.65 | 6.81 | 6.93 | 7.03 | 6.95 | 6.71 | 6.36 |
| 14 | 6.56 | 6.75 | 7.01 | 7.12 | 7.4 | 7.31 | 7.04 | 6.73 |
| 16 | 6.59 | 6.8 | 7.14 | 7.36 | 7.73 | 7.68 | 7.41 | 7.04 |
| 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 | 43.1° | 3.18 | 147.2° | 3.33 |
| 8 | 42.5° | 3.78 | 152° | 4.18 |
| 10 | 41.9° | 4.26 | 153.5° | 4.95 |
| 12 | 41.1° | 4.48 | 165.3° | 5.66 |
| 14 | 40.7° | 4.56 | 180° | 6.27 |
| 16 | 40.8° | 4.58 | 180° | 6.65 |
| 20 | 41.8° | 4.53 | 180° | 7.29 |
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