'T SPANWIL IV
NED J-44 (Mod.)Sail number NED/NED3824
GPH
584
OSN
564.8
LOA
13.667 m
Displacement
11305 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6817
Medium
0.9455
High
1.1118
Triple Offshore
Low
0.881
Medium
1.1679
High
1.3207
Boat Specifications
Dimensions
- Length overall
- 13.667 m
- Beam
- 4.16 m
- Draft
- 2.49 m
- Displacement
- 11305 kg
- Crew weight
- 750 kg
- Wetted surface
- 41.97 m²
Sails
- Mainsail
- 56.44 m²
- Genoa
- 50.27 m²
- Spinnaker
- 141.72 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J-44 (Mod.)
- Builder
- J-Boats
- Designer
- Johnstone
- Year built
- 1989
- Stability index
- 121.6
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.51 | 5.83 | 6.07 | 5.98 | 5.91 | 5.75 | 5.18 | 4.36 |
| 8 | 6.59 | 6.91 | 7.16 | 7.09 | 7.22 | 7.04 | 6.43 | 5.54 |
| 10 | 7.4 | 7.64 | 7.81 | 7.86 | 8 | 7.9 | 7.47 | 6.58 |
| 12 | 7.8 | 7.99 | 8.15 | 8.17 | 8.41 | 8.36 | 8.07 | 7.48 |
| 14 | 7.97 | 8.17 | 8.38 | 8.44 | 8.74 | 8.75 | 8.48 | 8.05 |
| 16 | 8.06 | 8.27 | 8.56 | 8.69 | 8.97 | 9.16 | 8.89 | 8.44 |
| 20 | 8.15 | 8.36 | 8.77 | 9.15 | 9.37 | 9.76 | 9.84 | 9.25 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.6 | 141.5° | 3.78 |
| 8 | 41.2° | 4.4 | 148.4° | 4.8 |
| 10 | 40.6° | 5.03 | 150.2° | 5.7 |
| 12 | 39.9° | 5.45 | 153.8° | 6.52 |
| 14 | 38.8° | 5.64 | 161° | 7.19 |
| 16 | 38.2° | 5.74 | 174.8° | 7.76 |
| 20 | 37.2° | 5.93 | 179° | 8.55 |
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