Jumanji
ISR J 120Sail number ISR/ISR524
GPH
579.5
OSN
561.7
LOA
12.244 m
Displacement
6556 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7777
Medium
1.0699
High
1.2204
Triple Offshore
Low
1.0084
Medium
1.3205
High
1.4819
Boat Specifications
Dimensions
- Length overall
- 12.244 m
- Beam
- 3.67 m
- Draft
- 2.15 m
- Displacement
- 6556 kg
- Crew weight
- 802 kg
- Wetted surface
- 31.98 m²
Sails
- Mainsail
- 46.79 m²
- Genoa
- 44.06 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 153.23 m²
Design
- Type
- J 120
- Builder
- J Boats
- Designer
- Johnstone
- Year built
- 1994
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.52 | 5.85 | 6.12 | 6.05 | 6.15 | 6.03 | 5.33 | 4.5 |
| 8 | 6.65 | 6.98 | 7.2 | 7.28 | 7.44 | 7.33 | 6.74 | 5.67 |
| 10 | 7.38 | 7.59 | 7.74 | 7.8 | 8.03 | 7.98 | 7.66 | 6.8 |
| 12 | 7.69 | 7.87 | 8.06 | 8.08 | 8.48 | 8.5 | 8.16 | 7.61 |
| 14 | 7.83 | 8.04 | 8.32 | 8.42 | 8.82 | 9.05 | 8.7 | 7.99 |
| 16 | 7.91 | 8.14 | 8.54 | 8.76 | 9.12 | 9.54 | 9.33 | 8.34 |
| 20 | 7.97 | 8.23 | 8.77 | 9.34 | 9.71 | 10.29 | 10.9 | 9.35 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.6 | 143.6° | 3.9 |
| 8 | 41.7° | 4.41 | 147.2° | 4.91 |
| 10 | 40.8° | 5.06 | 146.8° | 5.89 |
| 12 | 38.7° | 5.45 | 150.8° | 6.6 |
| 14 | 37.6° | 5.62 | 151.7° | 6.94 |
| 16 | 37.4° | 5.72 | 175.6° | 7.4 |
| 20 | 36.9° | 5.79 | 177.3° | 8.2 |
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