JUNIOR
GRE J-80Sail number GRE/GRE2380
GPH
658.9
OSN
644.6
LOA
8.032 m
Displacement
1544 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6288
Medium
0.8232
High
0.9306
Triple Offshore
Low
0.8118
Medium
1.0174
High
1.1466
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
- 13.8 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 | 4.92 | 5.21 | 5.62 | 5.86 | 5.69 | 5.54 | 4.98 | 4.23 |
| 8 | 5.8 | 6.02 | 6.3 | 6.48 | 6.48 | 6.41 | 6.07 | 5.29 |
| 10 | 6.22 | 6.37 | 6.6 | 6.92 | 7.01 | 6.98 | 6.65 | 6.1 |
| 12 | 6.41 | 6.59 | 6.83 | 7.28 | 7.48 | 7.6 | 7.23 | 6.57 |
| 14 | 6.48 | 6.71 | 7.11 | 7.53 | 8.07 | 8.2 | 7.9 | 6.97 |
| 16 | 6.51 | 6.78 | 7.28 | 7.74 | 8.59 | 8.65 | 8.73 | 7.49 |
| 20 | 6.61 | 6.9 | 7.41 | 8.16 | 9.37 | 10.17 | 11.29 | 9.56 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.21 | 145° | 3.67 |
| 8 | 41.6° | 3.88 | 148° | 4.58 |
| 10 | 39.6° | 4.38 | 150° | 5.29 |
| 12 | 38.2° | 4.57 | 151° | 5.7 |
| 14 | 38.2° | 4.63 | 176° | 6.16 |
| 16 | 38.2° | 4.64 | 177.5° | 6.55 |
| 20 | 38.6° | 4.68 | 139.5° | 8.28 |
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