CHINATOWN
FRA PROTO 1/4 TON 1981Sail number FRA/FRA9175
GPH
715.6
OSN
698.6
LOA
7.61 m
Displacement
1333 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5995
Medium
0.7751
High
0.858
Triple Offshore
Low
0.7617
Medium
0.9314
High
1.0234
Boat Specifications
Dimensions
- Length overall
- 7.61 m
- Beam
- 2.64 m
- Draft
- 1.51 m
- Displacement
- 1333 kg
- Crew weight
- 304 kg
- Wetted surface
- 11.17 m²
Sails
- Mainsail
- 20.48 m²
- Genoa
- 15.62 m²
- Spinnaker
- 27.93 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- PROTO 1/4 TON 1981
- Builder
- FONTAINE PAJOT
- Designer
- JOUBERT - NIVELT
- Year built
- 1981
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.03 | 5.22 | 5.32 | 5.25 | 5.03 | 4.85 | 4.34 | 3.67 |
| 8 | 5.61 | 5.74 | 5.83 | 5.81 | 5.78 | 5.66 | 5.25 | 4.65 |
| 10 | 5.86 | 5.98 | 6.1 | 6.15 | 6.2 | 6.1 | 5.82 | 5.41 |
| 12 | 5.97 | 6.11 | 6.3 | 6.4 | 6.55 | 6.46 | 6.2 | 5.89 |
| 14 | 6.02 | 6.18 | 6.44 | 6.62 | 6.9 | 6.83 | 6.55 | 6.24 |
| 16 | 6.06 | 6.24 | 6.54 | 6.84 | 7.29 | 7.26 | 6.94 | 6.58 |
| 20 | 6.1 | 6.31 | 6.71 | 7.18 | 7.97 | 8.6 | 8.14 | 7.39 |
| 24 | 6.06 | 6.31 | 6.79 | 7.44 | 8.66 | 10 | 10.73 | 9.2 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.5° | 3.37 | 146° | 3.18 |
| 8 | 39.1° | 3.95 | 151.8° | 4.03 |
| 10 | 37.4° | 4.24 | 157.8° | 4.75 |
| 12 | 37.1° | 4.32 | 173.2° | 5.37 |
| 14 | 37.3° | 4.35 | 179° | 5.84 |
| 16 | 37.6° | 4.36 | 179.4° | 6.18 |
| 20 | 38.5° | 4.33 | 179.7° | 6.84 |
| 24 | 41.2° | 4.17 | 143.1° | 7.97 |
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