Avatar
RSA Lavranos 34Sail number RSA/RSA4550
GPH
639.1
OSN
620.4
LOA
10.53 m
Displacement
4033 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6435
Medium
0.8601
High
0.9658
Triple Offshore
Low
0.8268
Medium
1.0583
High
1.1687
Boat Specifications
Dimensions
- Length overall
- 10.53 m
- Beam
- 3.33 m
- Draft
- 1.92 m
- Displacement
- 4033 kg
- Crew weight
- 625 kg
- Wetted surface
- 23.5 m²
Sails
- Mainsail
- 36.45 m²
- Genoa
- 24.03 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 90.15 m²
Design
- Type
- Lavranos 34
- Builder
- John Roberson
- Designer
- Angelo Lavranos
- Year built
- 1986
- Stability index
- 110.4
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 | 5.08 | 5.36 | 5.53 | 5.62 | 5.69 | 5.53 | 4.98 | 4.23 |
| 8 | 6.02 | 6.26 | 6.43 | 6.61 | 6.74 | 6.62 | 6.15 | 5.35 |
| 10 | 6.6 | 6.77 | 6.91 | 7.09 | 7.28 | 7.21 | 6.91 | 6.26 |
| 12 | 6.87 | 7.05 | 7.22 | 7.29 | 7.67 | 7.67 | 7.4 | 6.86 |
| 14 | 6.98 | 7.17 | 7.43 | 7.53 | 7.98 | 8.1 | 7.86 | 7.22 |
| 16 | 7.04 | 7.24 | 7.57 | 7.78 | 8.19 | 8.49 | 8.33 | 7.55 |
| 20 | 7.07 | 7.3 | 7.71 | 8.11 | 8.59 | 9.14 | 9.57 | 8.23 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.32 | 144.2° | 3.66 |
| 8 | 41.2° | 4.06 | 147.8° | 4.63 |
| 10 | 39.4° | 4.59 | 148.7° | 5.42 |
| 12 | 38.2° | 4.85 | 150.1° | 5.94 |
| 14 | 37.8° | 4.95 | 171.2° | 6.31 |
| 16 | 37.8° | 5 | 175.4° | 6.82 |
| 20 | 38.4° | 4.99 | 176.6° | 7.53 |
Loading polar chart…