JUNIOR
GRE J-80Sail number GRE/GRE2380
GPH
665.6
OSN
647.2
LOA
8.032 m
Displacement
1543 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6301
Medium
0.824
High
0.9346
Triple Offshore
Low
0.8036
Medium
1.0084
High
1.1328
Boat Specifications
Dimensions
- Length overall
- 8.032 m
- Beam
- 2.49 m
- Draft
- 1.51 m
- Displacement
- 1543 kg
- Crew weight
- 417 kg
- Wetted surface
- 13.75 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 | 4.92 | 5.17 | 5.32 | 5.44 | 5.55 | 5.41 | 4.91 | 4.19 |
| 8 | 5.77 | 5.96 | 6.08 | 6.26 | 6.42 | 6.35 | 5.98 | 5.26 |
| 10 | 6.21 | 6.35 | 6.48 | 6.58 | 6.91 | 6.92 | 6.63 | 6.05 |
| 12 | 6.41 | 6.58 | 6.78 | 6.84 | 7.29 | 7.42 | 7.19 | 6.58 |
| 14 | 6.5 | 6.7 | 7 | 7.16 | 7.58 | 7.92 | 7.79 | 6.96 |
| 16 | 6.56 | 6.78 | 7.15 | 7.44 | 7.87 | 8.4 | 8.53 | 7.36 |
| 20 | 6.61 | 6.86 | 7.32 | 7.87 | 8.48 | 9.42 | 11.19 | 9.67 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.7° | 3.24 | 145.1° | 3.63 |
| 8 | 40.8° | 3.93 | 148.7° | 4.56 |
| 10 | 38.7° | 4.4 | 149.6° | 5.24 |
| 12 | 37.6° | 4.6 | 150.1° | 5.7 |
| 14 | 37.2° | 4.67 | 173.9° | 6.07 |
| 16 | 37.2° | 4.71 | 174.8° | 6.47 |
| 20 | 38.1° | 4.7 | 139.8° | 8.38 |
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