Aurora Polaris
NOR HR 310Sail number NOR/NOR14469
GPH
717.8
OSN
699.2
LOA
9.42 m
Displacement
4527 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5728
Medium
0.7601
High
0.8701
Triple Offshore
Low
0.7353
Medium
0.9408
High
1.0456
Boat Specifications
Dimensions
- Length overall
- 9.42 m
- Beam
- 3.18 m
- Draft
- 1.77 m
- Displacement
- 4527 kg
- Crew weight
- 464 kg
- Wetted surface
- 20.78 m²
Sails
- Mainsail
- 25.62 m²
- Genoa
- 24.37 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 65.21 m²
Design
- Type
- HR 310
- Builder
- Hallberg-Rassy AB
- Designer
- German Frers
- Year built
- 2010
- Stability index
- 125.9
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.47 | 4.71 | 4.89 | 5.01 | 5.07 | 4.92 | 4.51 | 3.9 |
| 8 | 5.24 | 5.52 | 5.74 | 5.97 | 6.05 | 5.92 | 5.49 | 4.81 |
| 10 | 5.85 | 6.06 | 6.21 | 6.43 | 6.5 | 6.44 | 6.2 | 5.61 |
| 12 | 6.17 | 6.33 | 6.46 | 6.7 | 6.82 | 6.77 | 6.57 | 6.1 |
| 14 | 6.34 | 6.5 | 6.65 | 6.83 | 7.13 | 7.09 | 6.88 | 6.41 |
| 16 | 6.42 | 6.6 | 6.81 | 6.93 | 7.4 | 7.42 | 7.21 | 6.64 |
| 20 | 6.45 | 6.66 | 7.03 | 7.25 | 7.68 | 7.93 | 7.8 | 7.12 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 2.93 | 146.9° | 3.38 |
| 8 | 41.4° | 3.49 | 147.8° | 4.17 |
| 10 | 41.8° | 3.92 | 147.5° | 4.85 |
| 12 | 40.8° | 4.27 | 149.3° | 5.29 |
| 14 | 40° | 4.45 | 171.8° | 5.72 |
| 16 | 39.9° | 4.51 | 175.4° | 6.17 |
| 20 | 40.5° | 4.5 | 177.2° | 6.7 |
Loading polar chart…