ORBALLO UNO
ESP FIRST 31.7Sail number ESP/ESP5561
GPH
672.5
OSN
650.4
LOA
9.61 m
Displacement
3664 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5986
Medium
0.8214
High
0.9469
Triple Offshore
Low
0.7712
Medium
1.012
High
1.1353
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.92 m
- Displacement
- 3664 kg
- Crew weight
- 470 kg
- Wetted surface
- 21.53 m²
Sails
- Mainsail
- 25.04 m²
- Genoa
- 26.99 m²
- Spinnaker
- 57.08 m²
- Asymmetric spinnaker
- 59.26 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT
- Year built
- 1998
- Stability index
- 104.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.89 | 5.15 | 5.31 | 5.18 | 5.17 | 4.98 | 4.45 | 3.77 |
| 8 | 5.8 | 6.04 | 6.21 | 6.19 | 6.27 | 6.09 | 5.58 | 4.84 |
| 10 | 6.37 | 6.57 | 6.72 | 6.81 | 6.91 | 6.81 | 6.43 | 5.72 |
| 12 | 6.68 | 6.86 | 7.02 | 7.14 | 7.32 | 7.26 | 6.97 | 6.46 |
| 14 | 6.8 | 7.01 | 7.24 | 7.33 | 7.69 | 7.67 | 7.38 | 6.95 |
| 16 | 6.87 | 7.08 | 7.39 | 7.57 | 8 | 8.06 | 7.8 | 7.33 |
| 20 | 6.9 | 7.13 | 7.54 | 7.92 | 8.42 | 8.83 | 8.68 | 8.1 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.2 | 144.8° | 3.27 |
| 8 | 41.2° | 3.91 | 146.9° | 4.19 |
| 10 | 39.6° | 4.4 | 153.2° | 4.97 |
| 12 | 38.8° | 4.69 | 157.7° | 5.67 |
| 14 | 38.2° | 4.79 | 169.4° | 6.28 |
| 16 | 38.2° | 4.84 | 177.2° | 6.78 |
| 20 | 38.8° | 4.84 | 179° | 7.52 |
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