TRAMONTANA
ITA ESSE 850Sail number ITA/ITA101S850
GPH
609.3
OSN
599.9
LOA
8.5 m
Displacement
1222 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.703
Medium
0.8724
High
0.9957
Triple Offshore
Low
0.9004
Medium
1.0872
High
1.2184
Boat Specifications
Dimensions
- Length overall
- 8.5 m
- Beam
- 2.19 m
- Draft
- 2 m
- Displacement
- 1222 kg
- Crew weight
- 280 kg
- Wetted surface
- 14.88 m²
Sails
- Mainsail
- 28.06 m²
- Genoa
- 17.44 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 72.28 m²
Design
- Type
- ESSE 850
- Builder
- Proyeus Yachts
- Designer
- FELCI
- Year built
- 2004
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.69 | 6.01 | 6.22 | 6.18 | 6.24 | 6.09 | 5.46 | 4.59 |
| 8 | 6.4 | 6.63 | 6.87 | 6.87 | 7.02 | 7.04 | 6.62 | 5.81 |
| 10 | 6.55 | 6.79 | 7.2 | 7.5 | 7.49 | 7.74 | 7.43 | 6.7 |
| 12 | 6.61 | 6.87 | 7.38 | 7.89 | 7.93 | 8.24 | 8.43 | 7.36 |
| 14 | 6.68 | 6.94 | 7.48 | 8.12 | 8.47 | 8.81 | 9.51 | 8.23 |
| 16 | 6.73 | 7.06 | 7.61 | 8.25 | 9.13 | 9.39 | 10.29 | 9.36 |
| 20 | 6.72 | 7.08 | 7.82 | 8.59 | 9.64 | 10.35 | 11.74 | 12.4 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.73 | 143° | 3.97 |
| 8 | 40.5° | 4.36 | 146.5° | 5.03 |
| 10 | 39.8° | 4.52 | 152° | 5.78 |
| 12 | 40.1° | 4.55 | 149° | 6.37 |
| 14 | 40.5° | 4.6 | 146° | 7.13 |
| 16 | 41.1° | 4.61 | 143° | 8.11 |
| 20 | 42.6° | 4.53 | 146.8° | 10.74 |
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