Heleena
EST Netta H-30Sail number EST/EST829
GPH
754.1
OSN
728.6
LOA
9.06 m
Displacement
3096 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5354
Medium
0.7351
High
0.8483
Triple Offshore
Low
0.6885
Medium
0.9028
High
1.007
Boat Specifications
Dimensions
- Length overall
- 9.06 m
- Beam
- 2.52 m
- Draft
- 1.5 m
- Displacement
- 3096 kg
- Crew weight
- 330 kg
- Wetted surface
- 16.8 m²
Sails
- Mainsail
- 17.02 m²
- Genoa
- 20.29 m²
- Spinnaker
- 46.87 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Netta H-30
- Designer
- Hans Groop
- Year built
- 1975
- Stability index
- 116.6
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 | 4.24 | 4.47 | 4.6 | 4.65 | 4.73 | 4.58 | 4.1 | 3.51 |
| 8 | 5.04 | 5.27 | 5.43 | 5.57 | 5.7 | 5.57 | 5.09 | 4.49 |
| 10 | 5.59 | 5.78 | 5.94 | 6.1 | 6.24 | 6.18 | 5.85 | 5.31 |
| 12 | 5.9 | 6.07 | 6.23 | 6.35 | 6.56 | 6.52 | 6.3 | 5.94 |
| 14 | 6.06 | 6.23 | 6.41 | 6.47 | 6.8 | 6.8 | 6.63 | 6.34 |
| 16 | 6.13 | 6.31 | 6.54 | 6.64 | 6.99 | 7.05 | 6.94 | 6.64 |
| 20 | 6.17 | 6.38 | 6.68 | 6.89 | 7.21 | 7.48 | 7.52 | 7.21 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 2.76 | 146.9° | 3.04 |
| 8 | 41.7° | 3.37 | 151.1° | 3.89 |
| 10 | 40.6° | 3.8 | 154.1° | 4.62 |
| 12 | 40° | 4.08 | 161° | 5.26 |
| 14 | 40° | 4.21 | 174.8° | 5.81 |
| 16 | 39.6° | 4.27 | 179° | 6.22 |
| 20 | 39.9° | 4.29 | 179° | 6.8 |
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