UNKNOWN LADY NAI
USA SYDNEY 41Sail number USA/USA28380
GPH
546
OSN
533.1
LOA
12.518 m
Displacement
5568 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7684
Medium
1.0029
High
1.1393
Triple Offshore
Low
0.9873
Medium
1.2254
High
1.3631
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
- 31.39 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
- Stability index
- 111.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.66 | 6.95 | 7.12 | 6.98 | 6.47 | 6.1 | 5.45 | 4.57 |
| 8 | 7.49 | 7.69 | 7.81 | 7.75 | 7.56 | 7.36 | 6.78 | 5.82 |
| 10 | 7.78 | 7.98 | 8.19 | 8.2 | 8.15 | 8.05 | 7.68 | 6.89 |
| 12 | 7.94 | 8.14 | 8.42 | 8.57 | 8.64 | 8.59 | 8.25 | 7.67 |
| 14 | 8.04 | 8.25 | 8.58 | 8.86 | 9.11 | 9.09 | 8.8 | 8.21 |
| 16 | 8.11 | 8.33 | 8.69 | 9.06 | 9.55 | 9.63 | 9.39 | 8.72 |
| 20 | 8.17 | 8.42 | 8.85 | 9.33 | 10.25 | 10.71 | 10.89 | 9.93 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.8° | 4.44 | 142.2° | 3.96 |
| 8 | 38.8° | 5.22 | 146° | 5.04 |
| 10 | 37° | 5.56 | 150.5° | 5.97 |
| 12 | 36.4° | 5.75 | 156.5° | 6.74 |
| 14 | 35.8° | 5.87 | 164.6° | 7.35 |
| 16 | 35.4° | 5.94 | 175.4° | 7.9 |
| 20 | 35.8° | 5.95 | 175.7° | 8.85 |
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