CHINATOWN
FRA PROTO 1/4 TON 1981Sail number FRA/FRA9175
GPH
705.8
OSN
689.1
LOA
7.61 m
Displacement
1333 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6699
Medium
0.8792
High
0.9741
Triple Offshore
Low
0.8567
Medium
1.0689
High
1.179
Boat Specifications
Dimensions
- Length overall
- 7.61 m
- Beam
- 2.64 m
- Draft
- 1.51 m
- Displacement
- 1333 kg
- Crew weight
- 314 kg
- Wetted surface
- 11.13 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 | 4.91 | 5.15 | 5.33 | 5.3 | 5.08 | 4.89 | 4.39 | 3.74 |
| 8 | 5.65 | 5.8 | 5.91 | 5.92 | 5.9 | 5.78 | 5.35 | 4.7 |
| 10 | 5.97 | 6.11 | 6.24 | 6.34 | 6.34 | 6.23 | 5.95 | 5.51 |
| 12 | 6.1 | 6.29 | 6.53 | 6.69 | 6.79 | 6.66 | 6.34 | 6.01 |
| 14 | 6.16 | 6.39 | 6.75 | 6.94 | 7.21 | 7.07 | 6.76 | 6.39 |
| 16 | 6.18 | 6.44 | 6.86 | 7.19 | 7.62 | 7.53 | 7.16 | 6.77 |
| 20 | 6.2 | 6.45 | 6.94 | 7.49 | 8.25 | 8.89 | 8.23 | 7.57 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.7° | 3.26 | 148° | 3.23 |
| 8 | 41° | 3.87 | 152.1° | 4.07 |
| 10 | 39° | 4.24 | 156.4° | 4.82 |
| 12 | 38.6° | 4.34 | 180° | 5.49 |
| 14 | 38.8° | 4.36 | 180° | 5.98 |
| 16 | 39.1° | 4.35 | 180° | 6.34 |
| 20 | 40.5° | 4.29 | 180° | 7.07 |
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