Shelly
ISR SonarSail number ISR/ISR11
GPH
745.8
OSN
721.8
LOA
7.142 m
Displacement
950 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.543
Medium
0.7406
High
0.8459
Triple Offshore
Low
0.701
Medium
0.9074
High
1.0313
Boat Specifications
Dimensions
- Length overall
- 7.142 m
- Beam
- 2.38 m
- Draft
- 1.19 m
- Displacement
- 950 kg
- Crew weight
- 308 kg
- Wetted surface
- 11.28 m²
Sails
- Mainsail
- 18.03 m²
- Genoa
- 9.26 m²
- Spinnaker
- 30.07 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Sonar
- Builder
- Sonar (UK) Ltd
- Designer
- Kirby
- Year built
- 1979
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.34 | 4.59 | 4.75 | 4.85 | 4.87 | 4.71 | 4.22 | 3.54 |
| 8 | 5.13 | 5.34 | 5.48 | 5.67 | 5.7 | 5.59 | 5.14 | 4.52 |
| 10 | 5.58 | 5.75 | 5.89 | 6.13 | 6.2 | 6.1 | 5.81 | 5.32 |
| 12 | 5.85 | 6.02 | 6.2 | 6.47 | 6.66 | 6.56 | 6.24 | 5.88 |
| 14 | 6.02 | 6.23 | 6.48 | 6.65 | 7.12 | 7.04 | 6.68 | 6.28 |
| 16 | 6.09 | 6.34 | 6.71 | 6.9 | 7.57 | 7.63 | 7.18 | 6.69 |
| 20 | 6.13 | 6.44 | 6.94 | 7.49 | 8.32 | 9.41 | 8.88 | 7.73 |
| 24 | 6.14 | 6.46 | 7.05 | 7.88 | 9.24 | 10.87 | 12.54 | 10.57 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 2.82 | 146.2° | 3.06 |
| 8 | 41.5° | 3.43 | 151.2° | 3.92 |
| 10 | 40.4° | 3.84 | 157.2° | 4.65 |
| 12 | 39.7° | 4.11 | 170.9° | 5.31 |
| 14 | 39.1° | 4.24 | 178.1° | 5.81 |
| 16 | 39.3° | 4.27 | 179° | 6.19 |
| 20 | 41.5° | 4.19 | 178.1° | 6.96 |
| 24 | 43.1° | 4.12 | 140.2° | 9.16 |
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