Sister Ray
NED IFSail number NED/NED8606i
GPH
818.8
OSN
794
LOA
7.87 m
Displacement
2150 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.4957
Medium
0.6737
High
0.7663
Triple Offshore
Low
0.6377
Medium
0.8299
High
0.9183
Boat Specifications
Dimensions
- Length overall
- 7.87 m
- Beam
- 2.2 m
- Draft
- 1.2 m
- Displacement
- 2150 kg
- Crew weight
- 275 kg
- Wetted surface
- 15.35 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
- 136.1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 3.9 | 4.14 | 4.3 | 4.34 | 4.37 | 4.22 | 3.81 | 3.32 |
| 8 | 4.62 | 4.89 | 5.09 | 5.23 | 5.28 | 5.14 | 4.68 | 4.18 |
| 10 | 5.18 | 5.39 | 5.54 | 5.71 | 5.74 | 5.67 | 5.41 | 4.93 |
| 12 | 5.46 | 5.63 | 5.77 | 5.92 | 6.04 | 5.96 | 5.78 | 5.51 |
| 14 | 5.56 | 5.75 | 5.93 | 6.02 | 6.31 | 6.25 | 6.06 | 5.83 |
| 16 | 5.6 | 5.8 | 6.05 | 6.2 | 6.52 | 6.55 | 6.35 | 6.09 |
| 20 | 5.6 | 5.81 | 6.14 | 6.47 | 6.75 | 7 | 6.95 | 6.65 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 2.54 | 149.6° | 2.87 |
| 8 | 42° | 3.05 | 154.1° | 3.64 |
| 10 | 42.3° | 3.44 | 156.8° | 4.3 |
| 12 | 42.4° | 3.68 | 165.8° | 4.94 |
| 14 | 42.3° | 3.76 | 177.5° | 5.46 |
| 16 | 42.1° | 3.8 | 179° | 5.78 |
| 20 | 42.6° | 3.77 | 179° | 6.29 |
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