Sister Ray
NED IFSail number NED/NED8606
GPH
812
OSN
788.4
LOA
7.87 m
Displacement
2089 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5624
Medium
0.7644
High
0.868
Triple Offshore
Low
0.7239
Medium
0.941
High
1.0419
Boat Specifications
Dimensions
- Length overall
- 7.87 m
- Beam
- 2.2 m
- Draft
- 1.17 m
- Displacement
- 2089 kg
- Crew weight
- 340 kg
- Wetted surface
- 15.4 m²
Sails
- Mainsail
- 17.05 m²
- Genoa
- 14.89 m²
- Spinnaker
- 31.3 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- IF
- Builder
- Marieholm
- Designer
- Tord Sunden
- Year built
- 1974
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 3.95 | 4.19 | 4.35 | 4.38 | 4.4 | 4.25 | 3.84 | 3.34 |
| 8 | 4.68 | 4.96 | 5.15 | 5.28 | 5.31 | 5.17 | 4.71 | 4.19 |
| 10 | 5.23 | 5.43 | 5.57 | 5.74 | 5.77 | 5.69 | 5.43 | 4.95 |
| 12 | 5.5 | 5.66 | 5.8 | 5.97 | 6.06 | 5.99 | 5.81 | 5.53 |
| 14 | 5.59 | 5.78 | 5.97 | 6.07 | 6.35 | 6.28 | 6.08 | 5.85 |
| 16 | 5.64 | 5.83 | 6.09 | 6.23 | 6.58 | 6.59 | 6.37 | 6.1 |
| 20 | 5.62 | 5.84 | 6.17 | 6.52 | 6.82 | 7.07 | 6.98 | 6.67 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.9° | 2.57 | 149.6° | 2.89 |
| 8 | 42.7° | 3.08 | 154.5° | 3.65 |
| 10 | 42.1° | 3.48 | 157.8° | 4.32 |
| 12 | 42.1° | 3.72 | 173.1° | 4.98 |
| 14 | 41.9° | 3.8 | 180° | 5.5 |
| 16 | 42.2° | 3.83 | 180° | 5.82 |
| 20 | 42.7° | 3.78 | 180° | 6.33 |
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