Nuthr Witch
RSA Lavranos 34Sail number RSA/RSA7117
GPH
658.3
OSN
635.9
LOA
10.53 m
Displacement
4230 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.605
Medium
0.844
High
0.983
Triple Offshore
Low
0.7831
Medium
1.0358
High
1.1684
Boat Specifications
Dimensions
- Length overall
- 10.53 m
- Beam
- 3.33 m
- Draft
- 1.93 m
- Displacement
- 4230 kg
- Crew weight
- 650 kg
- Wetted surface
- 24.07 m²
Sails
- Mainsail
- 31.94 m²
- Genoa
- 30.47 m²
- Spinnaker
- 64.49 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Lavranos 34
- Builder
- John Robertson Yac
- Designer
- Angelo Lavranos
- Year built
- 1986
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.02 | 5.3 | 5.47 | 5.34 | 5.25 | 5.06 | 4.5 | 3.74 |
| 8 | 5.97 | 6.22 | 6.37 | 6.31 | 6.35 | 6.17 | 5.59 | 4.83 |
| 10 | 6.56 | 6.74 | 6.87 | 6.93 | 7 | 6.88 | 6.47 | 5.78 |
| 12 | 6.89 | 7.05 | 7.18 | 7.29 | 7.42 | 7.32 | 7.02 | 6.54 |
| 14 | 7.05 | 7.22 | 7.42 | 7.51 | 7.79 | 7.71 | 7.41 | 7.03 |
| 16 | 7.11 | 7.31 | 7.6 | 7.72 | 8.12 | 8.08 | 7.8 | 7.41 |
| 20 | 7.17 | 7.4 | 7.78 | 8.1 | 8.59 | 8.87 | 8.63 | 8.14 |
| 24 | 7.17 | 7.41 | 7.87 | 8.31 | 8.94 | 9.67 | 9.94 | 9.02 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.28 | 145.1° | 3.24 |
| 8 | 41.6° | 4.01 | 149.6° | 4.18 |
| 10 | 39.8° | 4.56 | 151.8° | 5.01 |
| 12 | 38.2° | 4.91 | 158.1° | 5.76 |
| 14 | 37.5° | 5.04 | 170.9° | 6.38 |
| 16 | 37.3° | 5.11 | 177.7° | 6.88 |
| 20 | 37.6° | 5.13 | 178.6° | 7.59 |
| 24 | 38.5° | 5.05 | 178.6° | 8.29 |
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