Langbein
NOR H-bootSail number NOR/NOR81
GPH
756.8
OSN
731.8
LOA
8.31 m
Displacement
1454 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5243
Medium
0.7313
High
0.8498
Triple Offshore
Low
0.6809
Medium
0.9004
High
1.0204
Boat Specifications
Dimensions
- Length overall
- 8.31 m
- Beam
- 2.19 m
- Draft
- 1.27 m
- Displacement
- 1454 kg
- Crew weight
- 300 kg
- Wetted surface
- 11.98 m²
Sails
- Mainsail
- 15.85 m²
- Genoa
- 10.48 m²
- Spinnaker
- 32.12 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- H-boot
- Builder
- Botnia
- Designer
- Hans Groop
- Year built
- 1967
- Stability index
- 118.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.13 | 4.38 | 4.56 | 4.75 | 4.77 | 4.59 | 4.1 | 3.48 |
| 8 | 5 | 5.27 | 5.45 | 5.7 | 5.73 | 5.6 | 5.07 | 4.42 |
| 10 | 5.57 | 5.76 | 5.9 | 6.14 | 6.2 | 6.11 | 5.84 | 5.29 |
| 12 | 5.86 | 6.01 | 6.16 | 6.43 | 6.61 | 6.52 | 6.24 | 5.9 |
| 14 | 6.02 | 6.19 | 6.4 | 6.59 | 7 | 6.95 | 6.64 | 6.27 |
| 16 | 6.08 | 6.29 | 6.62 | 6.82 | 7.3 | 7.37 | 7.06 | 6.65 |
| 20 | 6.09 | 6.35 | 6.81 | 7.22 | 7.69 | 8.23 | 8.11 | 7.46 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.4° | 2.68 | 147.5° | 3.01 |
| 8 | 43.2° | 3.27 | 152° | 3.83 |
| 10 | 42.3° | 3.74 | 152° | 4.59 |
| 12 | 40° | 4.09 | 161.3° | 5.27 |
| 14 | 39.4° | 4.24 | 177.2° | 5.8 |
| 16 | 39° | 4.29 | 178.4° | 6.16 |
| 20 | 39.4° | 4.29 | 178.4° | 6.87 |
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