Sister Ray
NED IFSail number NED/NED8606
GPH
808.3
OSN
784.5
LOA
7.87 m
Displacement
2089 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.502
Medium
0.6834
High
0.7785
Triple Offshore
Low
0.6461
Medium
0.84
High
0.9326
Boat Specifications
Dimensions
- Length overall
- 7.87 m
- Beam
- 2.2 m
- Draft
- 1.16 m
- Displacement
- 2089 kg
- Crew weight
- 340 kg
- Wetted surface
- 15.34 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 | 3.97 | 4.2 | 4.37 | 4.4 | 4.42 | 4.27 | 3.87 | 3.36 |
| 8 | 4.7 | 4.98 | 5.17 | 5.29 | 5.33 | 5.19 | 4.74 | 4.21 |
| 10 | 5.24 | 5.44 | 5.58 | 5.75 | 5.78 | 5.7 | 5.45 | 4.98 |
| 12 | 5.52 | 5.68 | 5.81 | 5.99 | 6.07 | 5.99 | 5.81 | 5.54 |
| 14 | 5.63 | 5.8 | 5.98 | 6.1 | 6.37 | 6.29 | 6.09 | 5.85 |
| 16 | 5.67 | 5.86 | 6.11 | 6.24 | 6.62 | 6.6 | 6.38 | 6.11 |
| 20 | 5.67 | 5.88 | 6.22 | 6.55 | 6.87 | 7.11 | 7 | 6.68 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.9° | 2.58 | 149.5° | 2.91 |
| 8 | 42.8° | 3.09 | 154.5° | 3.67 |
| 10 | 42.2° | 3.5 | 158° | 4.34 |
| 12 | 41.8° | 3.76 | 174° | 4.99 |
| 14 | 41.6° | 3.85 | 180° | 5.52 |
| 16 | 41.6° | 3.88 | 180° | 5.83 |
| 20 | 42.2° | 3.84 | 180° | 6.34 |
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