TALLY HO
ITA First 31.7Sail number ITA/ITA1010
GPH
661.6
OSN
639.9
LOA
9.61 m
Displacement
3724 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.605
Medium
0.8379
High
0.9713
Triple Offshore
Low
0.782
Medium
1.0284
High
1.1608
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3724 kg
- Crew weight
- 560 kg
- Wetted surface
- 21.78 m²
Sails
- Mainsail
- 26.75 m²
- Genoa
- 30.53 m²
- Spinnaker
- 58.31 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7
- Builder
- Beneteau
- Designer
- Finot
- Year built
- 1998
- Stability index
- 118.3
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 | 4.96 | 5.25 | 5.46 | 5.38 | 5.21 | 5.03 | 4.51 | 3.82 |
| 8 | 5.9 | 6.19 | 6.39 | 6.35 | 6.35 | 6.17 | 5.59 | 4.88 |
| 10 | 6.52 | 6.7 | 6.84 | 6.88 | 6.96 | 6.86 | 6.47 | 5.8 |
| 12 | 6.82 | 6.97 | 7.12 | 7.22 | 7.35 | 7.27 | 6.98 | 6.55 |
| 14 | 6.95 | 7.14 | 7.36 | 7.44 | 7.77 | 7.68 | 7.36 | 7 |
| 16 | 7.01 | 7.22 | 7.57 | 7.74 | 8.18 | 8.13 | 7.79 | 7.36 |
| 20 | 7.05 | 7.28 | 7.75 | 8.24 | 8.69 | 9.09 | 8.77 | 8.19 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.24 | 146° | 3.31 |
| 8 | 41.4° | 3.93 | 150.2° | 4.23 |
| 10 | 40.6° | 4.48 | 152.9° | 5.03 |
| 12 | 38.8° | 4.84 | 157.4° | 5.76 |
| 14 | 37.8° | 4.98 | 170° | 6.37 |
| 16 | 37.6° | 5.03 | 178.1° | 6.85 |
| 20 | 38.7° | 5.01 | 178.1° | 7.55 |
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