DIGGER
USA J 44 NEW RUDDERSail number USA/USA84949
GPH
557.8
OSN
541.4
LOA
13.717 m
Displacement
10912 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7352
Medium
0.9896
High
1.1231
Triple Offshore
Low
0.9449
Medium
1.2133
High
1.3462
Boat Specifications
Dimensions
- Length overall
- 13.717 m
- Beam
- 4.21 m
- Draft
- 2.46 m
- Displacement
- 10912 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 | 6.13 | 6.43 | 6.62 | 6.45 | 6.17 | 6.02 | 5.37 | 4.54 |
| 8 | 7.2 | 7.43 | 7.55 | 7.45 | 7.45 | 7.31 | 6.73 | 5.77 |
| 10 | 7.76 | 7.93 | 8.04 | 8.01 | 8.14 | 8.07 | 7.69 | 6.84 |
| 12 | 8.03 | 8.19 | 8.33 | 8.36 | 8.56 | 8.54 | 8.27 | 7.65 |
| 14 | 8.16 | 8.34 | 8.55 | 8.63 | 8.91 | 8.96 | 8.73 | 8.11 |
| 16 | 8.25 | 8.44 | 8.71 | 8.87 | 9.18 | 9.34 | 9.17 | 8.44 |
| 20 | 8.35 | 8.56 | 8.92 | 9.25 | 9.6 | 10.08 | 10.12 | 9.08 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 4.04 | 143.3° | 3.93 |
| 8 | 40.8° | 4.89 | 146.9° | 5 |
| 10 | 39° | 5.47 | 147.8° | 5.93 |
| 12 | 37.6° | 5.76 | 149.6° | 6.62 |
| 14 | 36.6° | 5.93 | 150.5° | 7.03 |
| 16 | 36.3° | 6.03 | 171.2° | 7.42 |
| 20 | 35.8° | 6.15 | 176.3° | 8.28 |
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