JAFFA
AUS Runnalls 39Sail number AUS/R39
GPH
549
OSN
531.5
LOA
12 m
Displacement
5553 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7413
Medium
1.0073
High
1.1609
Triple Offshore
Low
0.9544
Medium
1.232
High
1.3994
Boat Specifications
Dimensions
- Length overall
- 12 m
- Beam
- 3.45 m
- Draft
- 2.6 m
- Displacement
- 5553 kg
- Crew weight
- 800 kg
- Wetted surface
- 30.68 m²
Sails
- Mainsail
- 49.27 m²
- Genoa
- 37.38 m²
- Spinnaker
- 145.66 m²
- Asymmetric spinnaker
- 143.93 m²
Design
- Type
- Runnalls 39
- Builder
- Peter Milner
- Designer
- Malcolm Runnalls
- Year built
- 2008
- Stability index
- 143.6
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 4 | 4.35 | 4.63 | 4.75 | 5 | 4.82 | 4.65 | 4.01 | 3.36 |
| 6 | 5.9 | 6.19 | 6.37 | 6.62 | 6.51 | 6.36 | 5.69 | 4.77 |
| 8 | 7.02 | 7.24 | 7.45 | 7.65 | 7.7 | 7.6 | 7.06 | 6 |
| 10 | 7.64 | 7.8 | 7.95 | 8.21 | 8.36 | 8.29 | 7.87 | 7.07 |
| 12 | 7.96 | 8.14 | 8.29 | 8.62 | 8.92 | 8.91 | 8.48 | 7.83 |
| 14 | 8.12 | 8.36 | 8.64 | 8.9 | 9.3 | 9.56 | 9.12 | 8.39 |
| 16 | 8.23 | 8.49 | 8.89 | 9.13 | 9.83 | 10.16 | 9.86 | 8.98 |
| 20 | 8.36 | 8.66 | 9.18 | 9.73 | 10.84 | 11.38 | 11.95 | 10.45 |
| 24 | 8.4 | 8.73 | 9.35 | 10.17 | 11.63 | 13.06 | 14.46 | 13.3 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 4 | 42.5° | 2.8 | 141.9° | 2.91 |
| 6 | 42.5° | 3.91 | 141.9° | 4.13 |
| 8 | 40.4° | 4.8 | 145.6° | 5.2 |
| 10 | 38.3° | 5.42 | 151.4° | 6.13 |
| 12 | 36.7° | 5.76 | 157.3° | 6.9 |
| 14 | 36° | 5.92 | 164.4° | 7.51 |
| 16 | 35.5° | 6.02 | 166.4° | 8.02 |
| 20 | 35.2° | 6.12 | 158.6° | 9.1 |
| 24 | 36° | 6.09 | 142.1° | 11.52 |
Loading polar chart…