Whisper
NED First 31.7Sail number NED/NED7355
GPH
666.5
OSN
645.6
LOA
9.49 m
Displacement
3620 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.68
Medium
0.9343
High
1.0753
Triple Offshore
Low
0.8756
Medium
1.148
High
1.289
Boat Specifications
Dimensions
- Length overall
- 9.49 m
- Beam
- 3.22 m
- Draft
- 1.92 m
- Displacement
- 3620 kg
- Crew weight
- 550 kg
- Wetted surface
- 21.87 m²
Sails
- Mainsail
- 24.8 m²
- Genoa
- 31.2 m²
- Spinnaker
- 61.74 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 1998
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.91 | 5.16 | 5.37 | 5.3 | 5.16 | 5.01 | 4.53 | 3.83 |
| 8 | 5.85 | 6.11 | 6.3 | 6.26 | 6.28 | 6.12 | 5.59 | 4.87 |
| 10 | 6.47 | 6.65 | 6.79 | 6.83 | 6.9 | 6.81 | 6.47 | 5.77 |
| 12 | 6.75 | 6.91 | 7.07 | 7.15 | 7.3 | 7.21 | 6.95 | 6.52 |
| 14 | 6.85 | 7.04 | 7.29 | 7.38 | 7.71 | 7.63 | 7.32 | 6.96 |
| 16 | 6.9 | 7.1 | 7.44 | 7.65 | 8.08 | 8.09 | 7.75 | 7.3 |
| 20 | 6.9 | 7.13 | 7.56 | 8.07 | 8.5 | 8.98 | 8.73 | 8.11 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.24 | 146.4° | 3.32 |
| 8 | 40.9° | 3.92 | 150.3° | 4.22 |
| 10 | 40.3° | 4.45 | 151.9° | 5.01 |
| 12 | 38.9° | 4.76 | 157.3° | 5.72 |
| 14 | 38.2° | 4.87 | 180° | 6.35 |
| 16 | 38.1° | 4.91 | 180° | 6.83 |
| 20 | 38.6° | 4.88 | 180° | 7.51 |
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