JAY
GER J-88Sail number GER/GER8609
GPH
627.3
OSN
609.2
LOA
8.957 m
Displacement
2539 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6664
Medium
0.8789
High
0.9953
Triple Offshore
Low
0.8504
Medium
1.0724
High
1.1955
Boat Specifications
Dimensions
- Length overall
- 8.957 m
- Beam
- 2.85 m
- Draft
- 1.98 m
- Displacement
- 2539 kg
- Crew weight
- 400 kg
- Wetted surface
- 18.35 m²
Sails
- Mainsail
- 27.19 m²
- Genoa
- 20.88 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 95.47 m²
Design
- Type
- J-88
- Builder
- J-BOATS
- Designer
- JOHNSTONE
- Year built
- 2013
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.22 | 5.46 | 5.61 | 5.7 | 5.87 | 5.75 | 5.13 | 4.35 |
| 8 | 6.15 | 6.34 | 6.47 | 6.54 | 6.81 | 6.79 | 6.38 | 5.5 |
| 10 | 6.61 | 6.78 | 6.92 | 6.92 | 7.27 | 7.35 | 7.13 | 6.44 |
| 12 | 6.8 | 6.98 | 7.2 | 7.29 | 7.57 | 7.81 | 7.76 | 7.08 |
| 14 | 6.9 | 7.09 | 7.4 | 7.59 | 7.84 | 8.18 | 8.39 | 7.56 |
| 16 | 6.95 | 7.16 | 7.53 | 7.83 | 8.1 | 8.52 | 9.05 | 8.12 |
| 20 | 7.02 | 7.25 | 7.7 | 8.17 | 8.57 | 9.22 | 10.72 | 9.79 |
| 24 | 6.98 | 7.25 | 7.77 | 8.38 | 9.02 | 9.97 | 12.41 | 13.18 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.47 | 143.9° | 3.77 |
| 8 | 39.9° | 4.22 | 147.6° | 4.76 |
| 10 | 38° | 4.69 | 148.7° | 5.58 |
| 12 | 37° | 4.88 | 149.8° | 6.13 |
| 14 | 36.7° | 4.97 | 147.3° | 6.55 |
| 16 | 36.5° | 5.02 | 145° | 7.03 |
| 20 | 37° | 5.06 | 142.1° | 8.47 |
| 24 | 38° | 4.94 | 145.7° | 11.41 |
Loading polar chart…