NAIF
ITA ProtoSail number ITA/ITA5634
Stored record updated May 13, 2026 UTC.
GPH
606.2
OSN
590.7
LOA
13.415 m
Displacement
12289 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6779
Medium
0.905
High
1.0437
Triple Offshore
Low
0.8706
Medium
1.1136
High
1.2388
Boat Specifications
Dimensions
- Length overall
- 13.415 m
- Beam
- 4.28 m
- Draft
- 2.23 m
- Displacement
- 12289 kg
- Crew weight
- 800 kg
- Wetted surface
- 39.11 m²
Sails
- Mainsail
- 47.36 m²
- Genoa
- 84.97 m²
- Spinnaker
- 162.4 m²
- Asymmetric spinnaker
- 160.95 m²
Design
- Type
- Proto
- Builder
- Carlini
- Designer
- Carter
- Year built
- 1973
- Stability index
- 126.8
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 | 5.47 | 5.76 | 6 | 5.95 | 5.76 | 5.64 | 5.16 | 4.41 |
| 8 | 6.44 | 6.75 | 6.96 | 6.94 | 6.96 | 6.81 | 6.28 | 5.46 |
| 10 | 7.09 | 7.29 | 7.43 | 7.46 | 7.58 | 7.51 | 7.19 | 6.41 |
| 12 | 7.37 | 7.55 | 7.7 | 7.75 | 7.95 | 7.91 | 7.67 | 7.2 |
| 14 | 7.5 | 7.69 | 7.89 | 7.99 | 8.25 | 8.27 | 8.03 | 7.64 |
| 16 | 7.57 | 7.77 | 8.04 | 8.2 | 8.48 | 8.61 | 8.39 | 7.97 |
| 20 | 7.64 | 7.85 | 8.21 | 8.54 | 8.8 | 9.12 | 9.1 | 8.65 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.62 | 145.1° | 3.82 |
| 8 | 41.8° | 4.27 | 149.3° | 4.73 |
| 10 | 42.3° | 4.8 | 148.4° | 5.55 |
| 12 | 40.9° | 5.11 | 155.9° | 6.31 |
| 14 | 39.9° | 5.27 | 165.8° | 6.91 |
| 16 | 39.3° | 5.37 | 177.2° | 7.42 |
| 20 | 39° | 5.43 | 179° | 8.08 |
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° | 5.47 | 6.44 | 7.09 | 7.37 | 7.50 | 7.57 | 7.64 |
| 60° | 5.76 | 6.75 | 7.29 | 7.55 | 7.69 | 7.77 | 7.85 |
| 75° | 6.00 | 6.96 | 7.43 | 7.70 | 7.89 | 8.04 | 8.21 |
| 90° | 5.95 | 6.94 | 7.46 | 7.75 | 7.99 | 8.20 | 8.54 |
| 110° | 5.76 | 6.96 | 7.58 | 7.95 | 8.25 | 8.48 | 8.80 |
| 120° | 5.64 | 6.81 | 7.51 | 7.91 | 8.27 | 8.61 | 9.12 |
| 135° | 5.16 | 6.28 | 7.19 | 7.67 | 8.03 | 8.39 | 9.10 |
| 150° | 4.41 | 5.46 | 6.41 | 7.20 | 7.64 | 7.97 | 8.65 |