After Work
NOR ExpressSail number NOR/NOR475
GPH
724.9
OSN
704.3
LOA
7.77 m
Displacement
1851 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6322
Medium
0.8609
High
0.979
Triple Offshore
Low
0.8172
Medium
1.0492
High
1.1702
Boat Specifications
Dimensions
- Length overall
- 7.77 m
- Beam
- 2.52 m
- Draft
- 1.44 m
- Displacement
- 1851 kg
- Crew weight
- 404 kg
- Wetted surface
- 14.15 m²
Sails
- Mainsail
- 19.18 m²
- Genoa
- 14.81 m²
- Spinnaker
- 42.75 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Express
- Builder
- Albin Marin
- Designer
- Peter Norlin
- Year built
- 1978
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 | 4.49 | 4.74 | 4.93 | 5.02 | 5.05 | 4.88 | 4.38 | 3.69 |
| 8 | 5.31 | 5.56 | 5.72 | 5.88 | 5.93 | 5.82 | 5.34 | 4.64 |
| 10 | 5.78 | 5.94 | 6.07 | 6.27 | 6.34 | 6.27 | 6.03 | 5.5 |
| 12 | 6.02 | 6.16 | 6.3 | 6.51 | 6.73 | 6.65 | 6.39 | 6.07 |
| 14 | 6.13 | 6.3 | 6.51 | 6.64 | 7.11 | 7.08 | 6.78 | 6.4 |
| 16 | 6.17 | 6.36 | 6.69 | 6.87 | 7.39 | 7.51 | 7.21 | 6.76 |
| 20 | 6.18 | 6.37 | 6.82 | 7.27 | 7.72 | 8.19 | 8.22 | 7.58 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.1° | 2.94 | 147.7° | 3.2 |
| 8 | 42.2° | 3.51 | 152.1° | 4.02 |
| 10 | 40.9° | 3.98 | 152.2° | 4.78 |
| 12 | 38.8° | 4.28 | 168.5° | 5.48 |
| 14 | 38.3° | 4.37 | 180° | 5.99 |
| 16 | 38.3° | 4.39 | 180° | 6.32 |
| 20 | 39.1° | 4.36 | 180° | 7.02 |
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