Humming Bird
NED HB 31Sail number NED/NED5804
GPH
697.7
OSN
676
LOA
9.255 m
Displacement
3046 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5808
Medium
0.7968
High
0.9175
Triple Offshore
Low
0.7489
Medium
0.9724
High
1.0869
Boat Specifications
Dimensions
- Length overall
- 9.255 m
- Beam
- 3.07 m
- Draft
- 1.75 m
- Displacement
- 3046 kg
- Crew weight
- 450 kg
- Wetted surface
- 17.93 m²
Sails
- Mainsail
- 25.89 m²
- Genoa
- 21.4 m²
- Spinnaker
- 47.22 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- HB 31
- Builder
- Hunter Boats
- Designer
- v.d.Stadt & Prtnrs
- Year built
- 1983
- Stability index
- 108.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.74 | 5 | 5.18 | 5.09 | 5.04 | 4.86 | 4.35 | 3.68 |
| 8 | 5.62 | 5.87 | 6.03 | 6.06 | 6.07 | 5.9 | 5.33 | 4.67 |
| 10 | 6.15 | 6.3 | 6.42 | 6.53 | 6.56 | 6.47 | 6.15 | 5.54 |
| 12 | 6.4 | 6.54 | 6.67 | 6.83 | 6.9 | 6.81 | 6.57 | 6.22 |
| 14 | 6.52 | 6.69 | 6.88 | 7.02 | 7.26 | 7.17 | 6.9 | 6.59 |
| 16 | 6.57 | 6.76 | 7.05 | 7.19 | 7.6 | 7.54 | 7.26 | 6.91 |
| 20 | 6.61 | 6.82 | 7.23 | 7.59 | 8 | 8.23 | 8.02 | 7.6 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.12 | 146.9° | 3.19 |
| 8 | 41.4° | 3.75 | 152° | 4.05 |
| 10 | 40.6° | 4.25 | 153.8° | 4.82 |
| 12 | 38.8° | 4.56 | 161° | 5.52 |
| 14 | 38.2° | 4.68 | 175.7° | 6.11 |
| 16 | 37.9° | 4.73 | 179° | 6.5 |
| 20 | 38.2° | 4.73 | 179° | 7.12 |
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