Bulletproof
NED Dehler 31Sail number NED/NED8615
GPH
715.9
OSN
694.5
LOA
9.43 m
Displacement
3661 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6289
Medium
0.8623
High
1.0027
Triple Offshore
Low
0.8142
Medium
1.0682
High
1.2054
Boat Specifications
Dimensions
- Length overall
- 9.43 m
- Beam
- 3.12 m
- Draft
- 1.51 m
- Displacement
- 3661 kg
- Crew weight
- 480 kg
- Wetted surface
- 20.09 m²
Sails
- Mainsail
- 26.44 m²
- Genoa
- 19.61 m²
- Spinnaker
- 54.3 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Dehler 31
- Builder
- Dehler
- Designer
- vd Stadt & prtnrs
- Year built
- 1985
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.37 | 4.64 | 4.87 | 4.99 | 5.05 | 4.9 | 4.45 | 3.8 |
| 8 | 5.18 | 5.49 | 5.75 | 6.01 | 6.09 | 5.94 | 5.43 | 4.78 |
| 10 | 5.85 | 6.11 | 6.3 | 6.55 | 6.6 | 6.53 | 6.23 | 5.62 |
| 12 | 6.25 | 6.44 | 6.59 | 6.84 | 6.95 | 6.87 | 6.64 | 6.29 |
| 14 | 6.45 | 6.63 | 6.81 | 7.02 | 7.3 | 7.22 | 6.96 | 6.66 |
| 16 | 6.53 | 6.74 | 6.99 | 7.12 | 7.64 | 7.59 | 7.32 | 6.97 |
| 20 | 6.53 | 6.78 | 7.22 | 7.53 | 8.02 | 8.27 | 8.05 | 7.64 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.3° | 2.83 | 147.5° | 3.29 |
| 8 | 42.9° | 3.4 | 151.8° | 4.15 |
| 10 | 43.1° | 3.84 | 153.7° | 4.89 |
| 12 | 42.5° | 4.22 | 161.6° | 5.58 |
| 14 | 41.1° | 4.44 | 180° | 6.19 |
| 16 | 41.4° | 4.5 | 180° | 6.58 |
| 20 | 42.9° | 4.42 | 180° | 7.19 |
Loading polar chart…