Sister Ray
NED IFSail number NED/NED8606i
GPH
811.6
OSN
786.6
LOA
7.87 m
Displacement
2150 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5072
Medium
0.6825
High
0.7771
Triple Offshore
Low
0.6484
Medium
0.834
High
0.9253
Boat Specifications
Dimensions
- Length overall
- 7.87 m
- Beam
- 2.2 m
- Draft
- 1.16 m
- Displacement
- 2150 kg
- Crew weight
- 275 kg
- Wetted surface
- 15.28 m²
Sails
- Mainsail
- 17.05 m²
- Genoa
- 15.39 m²
- Spinnaker
- 31.3 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- IF
- Builder
- Marieholm
- Designer
- Tord Sunden
- Year built
- 1974
- Stability index
- 144.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.04 | 4.25 | 4.37 | 4.37 | 4.4 | 4.25 | 3.83 | 3.32 |
| 8 | 4.74 | 4.94 | 5.08 | 5.18 | 5.23 | 5.1 | 4.7 | 4.2 |
| 10 | 5.18 | 5.35 | 5.5 | 5.64 | 5.71 | 5.62 | 5.35 | 4.92 |
| 12 | 5.43 | 5.59 | 5.75 | 5.9 | 6.02 | 5.95 | 5.75 | 5.45 |
| 14 | 5.56 | 5.73 | 5.92 | 6.05 | 6.28 | 6.23 | 6.05 | 5.8 |
| 16 | 5.62 | 5.81 | 6.05 | 6.17 | 6.49 | 6.5 | 6.34 | 6.08 |
| 20 | 5.68 | 5.88 | 6.18 | 6.43 | 6.79 | 6.97 | 6.9 | 6.62 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 2.64 | 148.7° | 2.88 |
| 8 | 41.5° | 3.17 | 153.8° | 3.65 |
| 10 | 40.6° | 3.54 | 159.2° | 4.32 |
| 12 | 40.2° | 3.75 | 170° | 4.92 |
| 14 | 40° | 3.84 | 177.2° | 5.41 |
| 16 | 40.2° | 3.89 | 179° | 5.76 |
| 20 | 40.8° | 3.9 | 179° | 6.28 |
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