Boat Speed Polars(knots) - Spinnaker
(at True Wind Angles)
Alberg 30
"Laughing Gull"
197
"Laughing Gull"
197
| True Wind Speed | 4 kts | 6 kts | 8 kts | 10 kts | 12 kts | 16 kts | 20 kts | 24 kts |
|---|---|---|---|---|---|---|---|---|
| Opt Beat Angle | 50.5° | 48.4° | 45.5° | 45.8° | 43.7° | 41.1° | 40.1° | 40.5° |
| Optimum Beat | 2.74 | 3.64 | 4.24 | 4.81 | 5.02 | 5.23 | 5.33 | 5.40 |
| 52° | 2.86 | 3.92 | 4.74 | 5.27 | 5.54 | 5.81 | 5.93 | 5.98 |
| 60° | 3.23 | 4.38 | 5.21 | 5.63 | 5.85 | 6.09 | 6.20 | 6.24 |
| 75° | 3.67 | 4.86 | 5.63 | 6.00 | 6.25 | 6.47 | 6.58 | 6.64 |
| 90° | 3.77 | 4.98 | 5.75 | 6.14 | 6.43 | 6.69 | 6.83 | 6.92 |
| 110° | 3.56 | 4.78 | 5.62 | 6.04 | 6.36 | 6.87 | 7.14 | 7.28 |
| 120° | 3.26 | 4.47 | 5.41 | 5.90 | 6.23 | 6.77 | 7.25 | 7.46 |
| 135° | 2.63 | 3.78 | 4.82 | 5.56 | 5.98 | 6.57 | 7.07 | 7.55 |
| 150° | 2.19 | 3.23 | 4.22 | 5.08 | 5.68 | 6.35 | 6.85 | 7.32 |
| 165° | 1.92 | 2.86 | 3.77 | 4.62 | 5.34 | 6.13 | 6.66 | 7.12 |
| 180° | 1.79 | 2.68 | 3.55 | 4.39 | 5.10 | 6.00 | 6.53 | 6.99 |
| Optimum Run | 2.20 | 3.17 | 4.04 | 4.66 | 5.28 | 6.02 | 6.55 | 7.01 |
| Opt Run Angle | 149.3° | 151.9° | 155.1° | 163.1° | 167.9° | 175.7° | 176.6° | 176.6° |