Shelly
ISR SonarSail number ISR/ISR11
GPH
746.1
OSN
728.5
LOA
7 m
Displacement
950 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6336
Medium
0.8302
High
0.9108
Triple Offshore
Low
0.8116
Medium
1.0107
High
1.1108
Boat Specifications
Dimensions
- Length overall
- 7 m
- Beam
- 2.41 m
- Draft
- 1.19 m
- Displacement
- 950 kg
- Crew weight
- 263 kg
- Wetted surface
- 9.43 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 | 4.43 | 4.68 | 4.89 | 5.01 | 5.04 | 4.89 | 4.44 | 3.76 |
| 8 | 5.18 | 5.35 | 5.48 | 5.66 | 5.69 | 5.61 | 5.29 | 4.69 |
| 10 | 5.53 | 5.66 | 5.79 | 6.02 | 6.13 | 6.04 | 5.79 | 5.42 |
| 12 | 5.68 | 5.86 | 6.08 | 6.27 | 6.57 | 6.49 | 6.2 | 5.85 |
| 14 | 5.74 | 5.96 | 6.3 | 6.48 | 6.93 | 6.95 | 6.63 | 6.24 |
| 16 | 5.75 | 6.01 | 6.44 | 6.75 | 7.19 | 7.43 | 7.1 | 6.64 |
| 20 | 5.75 | 6.05 | 6.51 | 7.06 | 7.64 | 8.27 | 8.64 | 7.64 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.5° | 2.92 | 148.2° | 3.25 |
| 8 | 42° | 3.47 | 152° | 4.07 |
| 10 | 40.5° | 3.85 | 159.1° | 4.77 |
| 12 | 39.8° | 4 | 180° | 5.39 |
| 14 | 40.1° | 4.01 | 180° | 5.8 |
| 16 | 40.9° | 3.97 | 180° | 6.16 |
| 20 | 43° | 3.87 | 180° | 6.94 |
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