JUNIOR
GRE J-80Sail number GRE/GRE2380
GPH
667.8
OSN
650.1
LOA
8.032 m
Displacement
1544 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6975
Medium
0.9213
High
1.0463
Triple Offshore
Low
0.896
Medium
1.1325
High
1.2791
Boat Specifications
Dimensions
- Length overall
- 8.032 m
- Beam
- 2.49 m
- Draft
- 1.51 m
- Displacement
- 1544 kg
- Crew weight
- 417 kg
- Wetted surface
- 13.92 m²
Sails
- Mainsail
- 21.64 m²
- Genoa
- 13.82 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 64.63 m²
Design
- Type
- J-80
- Builder
- J. COMPOSITE
- Designer
- R. JOHNSTONE
- Year built
- 1997
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.78 | 5.04 | 5.26 | 5.52 | 5.62 | 5.48 | 4.93 | 4.19 |
| 8 | 5.7 | 5.92 | 6.07 | 6.33 | 6.45 | 6.37 | 6.02 | 5.25 |
| 10 | 6.18 | 6.32 | 6.45 | 6.62 | 6.98 | 6.93 | 6.61 | 6.07 |
| 12 | 6.39 | 6.56 | 6.78 | 6.85 | 7.43 | 7.55 | 7.17 | 6.53 |
| 14 | 6.47 | 6.7 | 7.08 | 7.23 | 7.76 | 8.15 | 7.82 | 6.91 |
| 16 | 6.52 | 6.78 | 7.27 | 7.63 | 8.08 | 8.59 | 8.62 | 7.41 |
| 20 | 6.62 | 6.89 | 7.43 | 8.15 | 8.83 | 9.57 | 10.96 | 9.35 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.15 | 145.1° | 3.63 |
| 8 | 41.4° | 3.81 | 148° | 4.55 |
| 10 | 39.7° | 4.33 | 149.8° | 5.26 |
| 12 | 38.2° | 4.57 | 151.3° | 5.67 |
| 14 | 37.8° | 4.64 | 176.4° | 6.13 |
| 16 | 37.8° | 4.66 | 177.4° | 6.52 |
| 20 | 37.9° | 4.72 | 139.2° | 8.1 |
Loading polar chart…