Nuthr Witch
RSA Lavranos 34Sail number RSA/RSA7117
GPH
657.6
OSN
635.3
LOA
10.53 m
Displacement
4230 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6062
Medium
0.8447
High
0.9834
Triple Offshore
Low
0.7843
Medium
1.0365
High
1.1692
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
- 23.96 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
- Stability index
- 117.4
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.03 | 5.31 | 5.47 | 5.35 | 5.25 | 5.06 | 4.5 | 3.75 |
| 8 | 5.98 | 6.22 | 6.38 | 6.31 | 6.36 | 6.17 | 5.6 | 4.84 |
| 10 | 6.57 | 6.75 | 6.88 | 6.94 | 7.01 | 6.89 | 6.48 | 5.79 |
| 12 | 6.89 | 7.05 | 7.19 | 7.29 | 7.42 | 7.33 | 7.02 | 6.55 |
| 14 | 7.04 | 7.22 | 7.43 | 7.51 | 7.79 | 7.72 | 7.42 | 7.05 |
| 16 | 7.12 | 7.31 | 7.61 | 7.72 | 8.12 | 8.1 | 7.82 | 7.42 |
| 20 | 7.18 | 7.4 | 7.79 | 8.11 | 8.61 | 8.89 | 8.66 | 8.16 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.29 | 145.1° | 3.25 |
| 8 | 41.4° | 4.02 | 150.2° | 4.19 |
| 10 | 39.9° | 4.56 | 152.3° | 5.02 |
| 12 | 38.2° | 4.9 | 158.6° | 5.77 |
| 14 | 37.6° | 5.03 | 171.8° | 6.4 |
| 16 | 37.2° | 5.1 | 177.2° | 6.9 |
| 20 | 38.1° | 5.13 | 179° | 7.61 |
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