JUNIOR
GRE J-80Sail number GRE/GRE2380
GPH
667.2
OSN
648.6
LOA
8.032 m
Displacement
1543 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6279
Medium
0.8227
High
0.9352
Triple Offshore
Low
0.801
Medium
1.0063
High
1.1311
Boat Specifications
Dimensions
- Length overall
- 8.032 m
- Beam
- 2.49 m
- Draft
- 1.51 m
- Displacement
- 1543 kg
- Crew weight
- 410 kg
- Wetted surface
- 13.88 m²
Sails
- Mainsail
- 21.62 m²
- Genoa
- 14.53 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 64.63 m²
Design
- Type
- J-80
- Builder
- J. COMPOSITE
- Designer
- R. JOHNSTONE
- Year built
- 1992
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.9 | 5.15 | 5.3 | 5.42 | 5.54 | 5.4 | 4.9 | 4.18 |
| 8 | 5.75 | 5.94 | 6.06 | 6.25 | 6.4 | 6.34 | 5.96 | 5.25 |
| 10 | 6.19 | 6.33 | 6.46 | 6.56 | 6.89 | 6.9 | 6.62 | 6.04 |
| 12 | 6.4 | 6.56 | 6.76 | 6.82 | 7.27 | 7.4 | 7.17 | 6.56 |
| 14 | 6.5 | 6.69 | 6.98 | 7.13 | 7.55 | 7.88 | 7.75 | 6.94 |
| 16 | 6.56 | 6.77 | 7.13 | 7.41 | 7.83 | 8.33 | 8.46 | 7.32 |
| 20 | 6.63 | 6.88 | 7.32 | 7.83 | 8.41 | 9.3 | 11.05 | 9.51 |
| 24 | 6.61 | 6.89 | 7.42 | 8.1 | 9.04 | 10.48 | 13.01 | 12.98 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.23 | 144.8° | 3.62 |
| 8 | 41° | 3.91 | 148.5° | 4.54 |
| 10 | 38.6° | 4.39 | 149.4° | 5.23 |
| 12 | 37.5° | 4.6 | 149.8° | 5.68 |
| 14 | 37.2° | 4.68 | 173.9° | 6.05 |
| 16 | 37.1° | 4.73 | 175.6° | 6.46 |
| 20 | 37.5° | 4.75 | 139.7° | 8.24 |
| 24 | 39.3° | 4.64 | 145.1° | 11.24 |
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