STERN
ITA HALF TONSail number ITA/ITA11034
Stored record updated May 13, 2026 UTC.
GPH
651.8
OSN
635.8
LOA
9.015 m
Displacement
2351 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7265
Medium
0.9548
High
1.0692
Triple Offshore
Low
0.9296
Medium
1.1565
High
1.2762
Boat Specifications
Dimensions
- Length overall
- 9.015 m
- Beam
- 3.2 m
- Draft
- 1.85 m
- Displacement
- 2351 kg
- Crew weight
- 450 kg
- Wetted surface
- 15.66 m²
Sails
- Mainsail
- 30.78 m²
- Genoa
- 23.04 m²
- Spinnaker
- 55.91 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- HALF TON
- Builder
- EUROSEBINA
- Designer
- CECCARELLI G.
- Year built
- 1985
Performance data
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.32 | 5.58 | 5.76 | 5.69 | 5.53 | 5.35 | 4.82 | 4.03 |
| 8 | 6.13 | 6.28 | 6.38 | 6.38 | 6.39 | 6.28 | 5.86 | 5.05 |
| 10 | 6.45 | 6.59 | 6.73 | 6.78 | 6.87 | 6.76 | 6.48 | 5.93 |
| 12 | 6.59 | 6.78 | 7.01 | 7.07 | 7.31 | 7.22 | 6.9 | 6.51 |
| 14 | 6.67 | 6.89 | 7.22 | 7.37 | 7.67 | 7.65 | 7.34 | 6.91 |
| 16 | 6.71 | 6.95 | 7.34 | 7.6 | 7.93 | 8.07 | 7.76 | 7.32 |
| 20 | 6.77 | 6.99 | 7.43 | 7.88 | 8.32 | 8.8 | 8.81 | 8.13 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.2° | 3.56 | 146.4° | 3.49 |
| 8 | 40.1° | 4.24 | 150.6° | 4.37 |
| 10 | 37.9° | 4.64 | 153.2° | 5.17 |
| 12 | 37.1° | 4.77 | 168.3° | 5.86 |
| 14 | 36.9° | 4.82 | 180° | 6.41 |
| 16 | 37.1° | 4.83 | 180° | 6.8 |
| 20 | 37.5° | 4.84 | 180° | 7.57 |
VPP POLAR · BOAT SPEED BY TWAKT
Hover or tap the chart, or use the slider, to read boat speeds.
True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Data table
| TWA | Boat speed in 6 kt (kt) | Boat speed in 8 kt (kt) | Boat speed in 10 kt (kt) | Boat speed in 12 kt (kt) | Boat speed in 14 kt (kt) | Boat speed in 16 kt (kt) | Boat speed in 20 kt (kt) |
|---|---|---|---|---|---|---|---|
| 0° | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 52° | 5.32 | 6.13 | 6.45 | 6.59 | 6.67 | 6.71 | 6.77 |
| 60° | 5.58 | 6.28 | 6.59 | 6.78 | 6.89 | 6.95 | 6.99 |
| 75° | 5.76 | 6.38 | 6.73 | 7.01 | 7.22 | 7.34 | 7.43 |
| 90° | 5.69 | 6.38 | 6.78 | 7.07 | 7.37 | 7.60 | 7.88 |
| 110° | 5.53 | 6.39 | 6.87 | 7.31 | 7.67 | 7.93 | 8.32 |
| 120° | 5.35 | 6.28 | 6.76 | 7.22 | 7.65 | 8.07 | 8.80 |
| 135° | 4.82 | 5.86 | 6.48 | 6.90 | 7.34 | 7.76 | 8.81 |
| 150° | 4.03 | 5.05 | 5.93 | 6.51 | 6.91 | 7.32 | 8.13 |