CHINATOWN
FRA PROTO 1/4 TON 1981Sail number FRA/FRA9175
GPH
714.3
OSN
697.4
LOA
7.61 m
Displacement
1333 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6015
Medium
0.7759
High
0.8584
Triple Offshore
Low
0.7637
Medium
0.9325
High
1.0254
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
- 11.06 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
- Stability index
- 103.5
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.04 | 5.24 | 5.34 | 5.26 | 5.04 | 4.86 | 4.35 | 3.68 |
| 8 | 5.62 | 5.75 | 5.84 | 5.82 | 5.79 | 5.66 | 5.26 | 4.66 |
| 10 | 5.86 | 5.99 | 6.11 | 6.16 | 6.21 | 6.11 | 5.83 | 5.42 |
| 12 | 5.97 | 6.12 | 6.31 | 6.41 | 6.57 | 6.48 | 6.21 | 5.9 |
| 14 | 6.03 | 6.19 | 6.46 | 6.64 | 6.93 | 6.85 | 6.57 | 6.25 |
| 16 | 6.06 | 6.25 | 6.56 | 6.86 | 7.32 | 7.3 | 6.97 | 6.6 |
| 20 | 6.09 | 6.3 | 6.7 | 7.19 | 8.04 | 8.71 | 8.25 | 7.44 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.2° | 3.39 | 146.6° | 3.19 |
| 8 | 39.1° | 3.96 | 152.3° | 4.04 |
| 10 | 37.2° | 4.24 | 158.6° | 4.77 |
| 12 | 37° | 4.32 | 173.6° | 5.39 |
| 14 | 37.5° | 4.35 | 179° | 5.85 |
| 16 | 37.6° | 4.36 | 179° | 6.2 |
| 20 | 38.8° | 4.31 | 179.3° | 6.87 |
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