DIGGER
USA J-44 NEW RUDDERSail number USA/USA84949
GPH
562.9
OSN
546.8
LOA
13.717 m
Displacement
10909 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7212
Medium
0.9777
High
1.1135
Triple Offshore
Low
0.9311
Medium
1.2044
High
1.341
Boat Specifications
Dimensions
- Length overall
- 13.717 m
- Beam
- 4.21 m
- Draft
- 2.46 m
- Displacement
- 10909 kg
- Crew weight
- 900 kg
- Wetted surface
- 41.75 m²
Sails
- Mainsail
- 58.89 m²
- Genoa
- 70.44 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 171.68 m²
Design
- Type
- J-44 NEW RUDDER
- Builder
- TILLOTSON-PEARSON
- Designer
- JOHNSTONE
- Year built
- 1989
- Stability index
- 124.9
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.89 | 6.22 | 6.5 | 6.41 | 6.17 | 6.03 | 5.4 | 4.58 |
| 8 | 7.01 | 7.32 | 7.52 | 7.48 | 7.48 | 7.34 | 6.74 | 5.77 |
| 10 | 7.7 | 7.88 | 8.02 | 8.02 | 8.16 | 8.08 | 7.74 | 6.85 |
| 12 | 7.98 | 8.15 | 8.31 | 8.34 | 8.57 | 8.53 | 8.26 | 7.69 |
| 14 | 8.1 | 8.3 | 8.53 | 8.62 | 8.95 | 8.99 | 8.7 | 8.12 |
| 16 | 8.18 | 8.39 | 8.71 | 8.9 | 9.21 | 9.46 | 9.19 | 8.42 |
| 20 | 8.26 | 8.48 | 8.92 | 9.38 | 9.67 | 10.15 | 10.28 | 9.07 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.87 | 143.8° | 3.97 |
| 8 | 41.8° | 4.68 | 147.8° | 5 |
| 10 | 40.8° | 5.3 | 147.3° | 5.94 |
| 12 | 39° | 5.65 | 150° | 6.66 |
| 14 | 37.6° | 5.83 | 151.1° | 7.04 |
| 16 | 37° | 5.94 | 170° | 7.43 |
| 20 | 36.4° | 6.05 | 176.6° | 8.27 |
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