TASHUNKA WITKO II
ITA First 27.7Sail number ITA/ITA14467
GPH
661.6
OSN
642.3
LOA
8.3 m
Displacement
2810 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6124
Medium
0.8303
High
0.9518
Triple Offshore
Low
0.7926
Medium
1.022
High
1.1556
Boat Specifications
Dimensions
- Length overall
- 8.3 m
- Beam
- 3.03 m
- Draft
- 2.14 m
- Displacement
- 2810 kg
- Crew weight
- 410 kg
- Wetted surface
- 19.27 m²
Sails
- Mainsail
- 27 m²
- Genoa
- 20.1 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 63.84 m²
Design
- Type
- First 27.7
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 2002
- Stability index
- 118.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.81 | 5.07 | 5.37 | 5.67 | 5.57 | 5.32 | 4.75 | 4.04 |
| 8 | 5.72 | 5.97 | 6.32 | 6.54 | 6.49 | 6.33 | 5.86 | 5.09 |
| 10 | 6.31 | 6.47 | 6.72 | 6.96 | 6.95 | 6.83 | 6.56 | 5.96 |
| 12 | 6.62 | 6.76 | 6.89 | 7.29 | 7.42 | 7.31 | 6.99 | 6.5 |
| 14 | 6.79 | 6.96 | 7.17 | 7.5 | 7.93 | 7.85 | 7.48 | 6.82 |
| 16 | 6.86 | 7.08 | 7.43 | 7.69 | 8.4 | 8.45 | 8.02 | 7.13 |
| 20 | 6.91 | 7.16 | 7.7 | 8.21 | 9.12 | 9.85 | 9.47 | 7.91 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.17 | 145.1° | 3.5 |
| 8 | 40.6° | 3.84 | 147.5° | 4.41 |
| 10 | 40° | 4.4 | 148.5° | 5.16 |
| 12 | 37.5° | 4.8 | 150.2° | 5.63 |
| 14 | 36.1° | 4.97 | 170° | 6.03 |
| 16 | 35.8° | 5.04 | 175.4° | 6.5 |
| 20 | 36° | 5.07 | 175.7° | 7.16 |
Loading polar chart…