UNKNOWN LADY NAI
USA SYDNEY 41Sail number USA/USA28380
GPH
546.1
OSN
533.2
LOA
12.518 m
Displacement
5568 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7703
Medium
1.003
High
1.1398
Triple Offshore
Low
0.9885
Medium
1.2245
High
1.3618
Boat Specifications
Dimensions
- Length overall
- 12.518 m
- Beam
- 3.75 m
- Draft
- 2.77 m
- Displacement
- 5568 kg
- Crew weight
- 900 kg
- Wetted surface
- 30.98 m²
Sails
- Mainsail
- 49.76 m²
- Genoa
- 64.74 m²
- Spinnaker
- 123.76 m²
- Asymmetric spinnaker
- 98.46 m²
Design
- Type
- SYDNEY 41
- Builder
- BASHFORD
- Designer
- MURRAY
- Year built
- 1994
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.68 | 6.96 | 7.13 | 7 | 6.38 | 6.1 | 5.47 | 4.59 |
| 8 | 7.5 | 7.7 | 7.81 | 7.76 | 7.51 | 7.37 | 6.8 | 5.82 |
| 10 | 7.79 | 7.99 | 8.19 | 8.21 | 8.12 | 8.06 | 7.68 | 6.89 |
| 12 | 7.92 | 8.12 | 8.41 | 8.56 | 8.6 | 8.59 | 8.25 | 7.67 |
| 14 | 8.01 | 8.23 | 8.54 | 8.84 | 9.06 | 9.08 | 8.79 | 8.2 |
| 16 | 8.09 | 8.31 | 8.67 | 9.02 | 9.48 | 9.61 | 9.38 | 8.71 |
| 20 | 8.15 | 8.4 | 8.86 | 9.37 | 10.18 | 10.72 | 10.85 | 9.9 |
| 24 | 8.15 | 8.43 | 8.97 | 9.62 | 10.75 | 11.98 | 13.27 | 11.84 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42° | 4.45 | 142.3° | 3.97 |
| 8 | 38.9° | 5.24 | 145.8° | 5.04 |
| 10 | 37° | 5.57 | 150.5° | 5.97 |
| 12 | 36.4° | 5.75 | 156.1° | 6.73 |
| 14 | 36° | 5.85 | 164.2° | 7.34 |
| 16 | 35.7° | 5.93 | 175.8° | 7.89 |
| 20 | 35.5° | 6.01 | 175.8° | 8.82 |
| 24 | 36.6° | 5.91 | 143.6° | 10.25 |
Loading polar chart…