JUNIOR
USA J 27Sail number USA/USA41186
GPH
674.8
OSN
655.6
LOA
8.428 m
Displacement
1797 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6041
Medium
0.8194
High
0.9328
Triple Offshore
Low
0.7813
Medium
1.0009
High
1.1231
Boat Specifications
Dimensions
- Length overall
- 8.428 m
- Beam
- 2.6 m
- Draft
- 1.52 m
- Displacement
- 1797 kg
- Crew weight
- 430 kg
- Wetted surface
- 15.19 m²
Sails
- Mainsail
- 23.49 m²
- Genoa
- 22.67 m²
- Spinnaker
- 42.15 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J 27
- Builder
- TPI
- Designer
- Johnstone
- Year built
- 1984
- Stability index
- 93
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.01 | 5.31 | 5.54 | 5.47 | 5.22 | 5.04 | 4.51 | 3.75 |
| 8 | 5.92 | 6.12 | 6.26 | 6.25 | 6.21 | 6.07 | 5.55 | 4.78 |
| 10 | 6.33 | 6.47 | 6.6 | 6.63 | 6.71 | 6.6 | 6.29 | 5.69 |
| 12 | 6.48 | 6.65 | 6.91 | 6.99 | 7.21 | 7.09 | 6.73 | 6.34 |
| 14 | 6.55 | 6.75 | 7.12 | 7.36 | 7.69 | 7.63 | 7.21 | 6.75 |
| 16 | 6.59 | 6.81 | 7.24 | 7.66 | 8.05 | 8.23 | 7.74 | 7.2 |
| 20 | 6.66 | 6.9 | 7.36 | 7.94 | 8.61 | 9.25 | 9.15 | 8.26 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.3 | 146° | 3.25 |
| 8 | 41.8° | 3.99 | 150.5° | 4.14 |
| 10 | 39.3° | 4.48 | 152° | 4.94 |
| 12 | 38.1° | 4.65 | 160.6° | 5.65 |
| 14 | 37.6° | 4.73 | 176.6° | 6.22 |
| 16 | 37.5° | 4.75 | 179° | 6.62 |
| 20 | 37.8° | 4.78 | 177.2° | 7.46 |
Loading polar chart…