AVA
GER H-BOAT ONE DESIGNSail number GER/HB1730
GPH
748
OSN
725.6
LOA
8.31 m
Displacement
1478 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5388
Medium
0.7388
High
0.843
Triple Offshore
Low
0.6975
Medium
0.908
High
1.0145
Boat Specifications
Dimensions
- Length overall
- 8.31 m
- Beam
- 2.19 m
- Draft
- 1.27 m
- Displacement
- 1478 kg
- Crew weight
- 300 kg
- Wetted surface
- 12.24 m²
Sails
- Mainsail
- 15.75 m²
- Genoa
- 10.4 m²
- Spinnaker
- 32.12 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- H-BOAT ONE DESIGN
- Builder
- BOTNIA
- Designer
- HANS GROOP
- Year built
- 1967
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 | 4.22 | 4.48 | 4.66 | 4.84 | 4.86 | 4.69 | 4.23 | 3.6 |
| 8 | 5.09 | 5.36 | 5.54 | 5.76 | 5.81 | 5.68 | 5.22 | 4.55 |
| 10 | 5.63 | 5.82 | 5.97 | 6.17 | 6.27 | 6.18 | 5.91 | 5.39 |
| 12 | 5.88 | 6.05 | 6.22 | 6.36 | 6.66 | 6.59 | 6.3 | 5.96 |
| 14 | 5.98 | 6.17 | 6.43 | 6.54 | 6.99 | 7.01 | 6.7 | 6.32 |
| 16 | 6.01 | 6.22 | 6.58 | 6.81 | 7.21 | 7.4 | 7.13 | 6.7 |
| 20 | 6.04 | 6.23 | 6.68 | 7.15 | 7.55 | 7.99 | 8.16 | 7.5 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 2.75 | 147.5° | 3.12 |
| 8 | 42.8° | 3.33 | 151° | 3.94 |
| 10 | 41.8° | 3.8 | 153° | 4.69 |
| 12 | 40.1° | 4.09 | 170° | 5.34 |
| 14 | 39.8° | 4.17 | 180° | 5.88 |
| 16 | 39.9° | 4.19 | 180° | 6.24 |
| 20 | 40.5° | 4.19 | 180° | 6.96 |
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