CHINATOWN
FRA PROTO 1/4 TON 1981Sail number FRA/FRA9175
GPH
710.7
OSN
692.7
LOA
7.61 m
Displacement
1332 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5865
Medium
0.777
High
0.8685
Triple Offshore
Low
0.7534
Medium
0.9448
High
1.0465
Boat Specifications
Dimensions
- Length overall
- 7.61 m
- Beam
- 2.64 m
- Draft
- 1.51 m
- Displacement
- 1332 kg
- Crew weight
- 314 kg
- Wetted surface
- 11.09 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
- 103.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.88 | 5.15 | 5.33 | 5.28 | 5.04 | 4.84 | 4.32 | 3.67 |
| 8 | 5.62 | 5.79 | 5.91 | 5.92 | 5.88 | 5.75 | 5.29 | 4.64 |
| 10 | 5.94 | 6.08 | 6.22 | 6.31 | 6.33 | 6.22 | 5.92 | 5.46 |
| 12 | 6.1 | 6.28 | 6.51 | 6.66 | 6.76 | 6.64 | 6.32 | 5.99 |
| 14 | 6.16 | 6.39 | 6.73 | 6.91 | 7.17 | 7.05 | 6.73 | 6.36 |
| 16 | 6.19 | 6.45 | 6.85 | 7.17 | 7.58 | 7.48 | 7.13 | 6.76 |
| 20 | 6.23 | 6.49 | 6.95 | 7.48 | 8.18 | 8.78 | 8.17 | 7.55 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.21 | 146.9° | 3.18 |
| 8 | 41.7° | 3.82 | 152° | 4.02 |
| 10 | 39.3° | 4.21 | 155.6° | 4.77 |
| 12 | 38.4° | 4.34 | 168.2° | 5.42 |
| 14 | 38.4° | 4.38 | 179° | 5.93 |
| 16 | 38.7° | 4.39 | 179° | 6.29 |
| 20 | 39.6° | 4.36 | 179° | 7.02 |
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