SIRAH
ITA First 41S5Sail number ITA/ITA12553
GPH
619.2
OSN
602.3
LOA
12.3 m
Displacement
7519 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6542
Medium
0.8811
High
1.0025
Triple Offshore
Low
0.8489
Medium
1.0947
High
1.2123
Boat Specifications
Dimensions
- Length overall
- 12.3 m
- Beam
- 3.9 m
- Draft
- 1.97 m
- Displacement
- 7519 kg
- Crew weight
- 550 kg
- Wetted surface
- 31.29 m²
Sails
- Mainsail
- 45.55 m²
- Genoa
- 37.7 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 93.44 m²
Design
- Type
- First 41S5
- Builder
- Beneteau
- Designer
- Berret
- Year built
- 1988
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.38 | 5.7 | 5.94 | 5.84 | 5.78 | 5.57 | 4.93 | 4.13 |
| 8 | 6.38 | 6.66 | 6.87 | 6.87 | 6.94 | 6.77 | 6.16 | 5.29 |
| 10 | 6.94 | 7.17 | 7.36 | 7.43 | 7.55 | 7.45 | 7.06 | 6.26 |
| 12 | 7.22 | 7.44 | 7.64 | 7.74 | 7.93 | 7.87 | 7.59 | 6.98 |
| 14 | 7.36 | 7.58 | 7.83 | 7.93 | 8.24 | 8.23 | 7.97 | 7.42 |
| 16 | 7.43 | 7.66 | 7.97 | 8.14 | 8.52 | 8.58 | 8.34 | 7.74 |
| 20 | 7.51 | 7.75 | 8.12 | 8.45 | 8.9 | 9.26 | 9.14 | 8.3 |
| 24 | 7.52 | 7.78 | 8.21 | 8.64 | 9.21 | 9.79 | 10.21 | 8.93 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.5° | 3.49 | 142.4° | 3.57 |
| 8 | 41.8° | 4.26 | 146.4° | 4.58 |
| 10 | 40.3° | 4.76 | 147.8° | 5.42 |
| 12 | 39.5° | 5.02 | 148.9° | 6.04 |
| 14 | 39.1° | 5.15 | 151.3° | 6.43 |
| 16 | 38.9° | 5.22 | 174.1° | 6.99 |
| 20 | 38.9° | 5.27 | 177.2° | 7.76 |
| 24 | 39.8° | 5.21 | 177.2° | 8.32 |
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