Jumbuck
GBR J 109Sail number GBR/GBR3135L
GPH
623.2
OSN
605.8
LOA
10.757 m
Displacement
5047 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.736
Medium
0.9906
High
1.1256
Triple Offshore
Low
0.9498
Medium
1.2224
High
1.3569
Boat Specifications
Dimensions
- Length overall
- 10.757 m
- Beam
- 3.52 m
- Draft
- 2.13 m
- Displacement
- 5047 kg
- Crew weight
- 505 kg
- Wetted surface
- 26.16 m²
Sails
- Mainsail
- 38.1 m²
- Genoa
- 29.26 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 104.42 m²
Design
- Type
- J 109
- Builder
- J Boats
- Designer
- Johnstone
- Year built
- 2001
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.14 | 5.41 | 5.63 | 5.79 | 5.85 | 5.68 | 5.09 | 4.31 |
| 8 | 6.15 | 6.43 | 6.63 | 6.88 | 6.98 | 6.84 | 6.29 | 5.4 |
| 10 | 6.81 | 7 | 7.15 | 7.32 | 7.49 | 7.42 | 7.1 | 6.37 |
| 12 | 7.1 | 7.27 | 7.43 | 7.5 | 7.87 | 7.85 | 7.55 | 7.02 |
| 14 | 7.21 | 7.41 | 7.65 | 7.76 | 8.16 | 8.31 | 7.99 | 7.38 |
| 16 | 7.26 | 7.47 | 7.81 | 8.03 | 8.39 | 8.72 | 8.48 | 7.68 |
| 20 | 7.35 | 7.54 | 7.96 | 8.46 | 8.8 | 9.25 | 9.59 | 8.45 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 3.4 | 144.3° | 3.73 |
| 8 | 40.9° | 4.12 | 147.8° | 4.67 |
| 10 | 40.2° | 4.69 | 148.1° | 5.51 |
| 12 | 38.7° | 5.01 | 150.1° | 6.08 |
| 14 | 38° | 5.13 | 173.9° | 6.43 |
| 16 | 38.3° | 5.18 | 176.6° | 6.99 |
| 20 | 37.9° | 5.3 | 177.8° | 7.69 |
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