PURCHIPETOLA
ITA Ampex 30 half tonSail number ITA/ITA8808
GPH
708.6
OSN
687
LOA
9.12 m
Displacement
3751 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5825
Medium
0.786
High
0.8991
Triple Offshore
Low
0.7447
Medium
0.9536
High
1.0586
Boat Specifications
Dimensions
- Length overall
- 9.12 m
- Beam
- 3.08 m
- Draft
- 1.71 m
- Displacement
- 3751 kg
- Crew weight
- 480 kg
- Wetted surface
- 18.94 m²
Sails
- Mainsail
- 19.46 m²
- Genoa
- 31 m²
- Spinnaker
- 73.61 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Ampex 30 half ton
- Builder
- Biasi C.Nautiche
- Designer
- Frers
- Year built
- 1977
- Stability index
- 109.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.61 | 4.85 | 5.01 | 4.94 | 5.04 | 4.91 | 4.49 | 3.86 |
| 8 | 5.41 | 5.67 | 5.83 | 5.88 | 6.01 | 5.92 | 5.48 | 4.81 |
| 10 | 5.94 | 6.09 | 6.21 | 6.34 | 6.45 | 6.4 | 6.18 | 5.69 |
| 12 | 6.19 | 6.32 | 6.44 | 6.56 | 6.78 | 6.74 | 6.54 | 6.24 |
| 14 | 6.33 | 6.48 | 6.63 | 6.68 | 7.07 | 7.08 | 6.87 | 6.56 |
| 16 | 6.39 | 6.56 | 6.79 | 6.89 | 7.28 | 7.41 | 7.22 | 6.87 |
| 20 | 6.43 | 6.62 | 6.97 | 7.25 | 7.55 | 7.83 | 7.88 | 7.52 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.04 | 147.8° | 3.34 |
| 8 | 41.2° | 3.61 | 152° | 4.18 |
| 10 | 41.7° | 4.07 | 151.6° | 4.93 |
| 12 | 39.4° | 4.4 | 161.9° | 5.59 |
| 14 | 38.4° | 4.54 | 176.6° | 6.09 |
| 16 | 38.1° | 4.6 | 179° | 6.44 |
| 20 | 38.2° | 4.61 | 178.1° | 7.01 |
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