JUNIOR
GRE J-80Sail number GRE/GRE2380
GPH
662.6
OSN
646.2
LOA
8.032 m
Displacement
1544 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.622
Medium
0.8205
High
0.9346
Triple Offshore
Low
0.8028
Medium
1.0138
High
1.1486
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
- 13.46 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
- Stability index
- 107.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.82 | 5.11 | 5.54 | 5.78 | 5.61 | 5.47 | 4.94 | 4.22 |
| 8 | 5.74 | 5.96 | 6.27 | 6.44 | 6.44 | 6.38 | 6.05 | 5.3 |
| 10 | 6.19 | 6.34 | 6.58 | 6.88 | 6.97 | 6.95 | 6.65 | 6.11 |
| 12 | 6.4 | 6.57 | 6.78 | 7.24 | 7.42 | 7.57 | 7.24 | 6.6 |
| 14 | 6.48 | 6.7 | 7.08 | 7.49 | 7.99 | 8.17 | 7.92 | 6.99 |
| 16 | 6.52 | 6.78 | 7.27 | 7.7 | 8.52 | 8.61 | 8.76 | 7.59 |
| 20 | 6.63 | 6.9 | 7.43 | 8.15 | 9.31 | 10.04 | 11.15 | 9.67 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.14 | 145.1° | 3.65 |
| 8 | 42° | 3.81 | 147.8° | 4.59 |
| 10 | 40° | 4.33 | 150.1° | 5.29 |
| 12 | 38.4° | 4.56 | 150.5° | 5.71 |
| 14 | 38.1° | 4.64 | 173° | 6.09 |
| 16 | 38.1° | 4.66 | 144.3° | 6.57 |
| 20 | 38.2° | 4.72 | 139.8° | 8.38 |
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