MARGARET RINTOUL IV
USA UnknownSail number USA/AUS3928
GPH
544.2
OSN
529.3
LOA
15.045 m
Displacement
12187 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7531
Medium
1.0114
High
1.1677
Triple Offshore
Low
0.9702
Medium
1.241
High
1.3849
Boat Specifications
Dimensions
- Length overall
- 15.045 m
- Beam
- 4.46 m
- Draft
- 2.79 m
- Displacement
- 12187 kg
- Crew weight
- 907 kg
- Wetted surface
- 43.4 m²
Sails
- Mainsail
- 63.19 m²
- Genoa
- 94.55 m²
- Spinnaker
- 187.88 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Unknown
- Builder
- INTERCAT
- Designer
- FRERS
- Year built
- 1984
- Stability index
- 132.6
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.28 | 6.63 | 6.9 | 6.79 | 6.22 | 6.08 | 5.51 | 4.67 |
| 8 | 7.44 | 7.71 | 7.88 | 7.83 | 7.58 | 7.44 | 6.81 | 5.86 |
| 10 | 7.98 | 8.17 | 8.32 | 8.31 | 8.3 | 8.22 | 7.84 | 6.94 |
| 12 | 8.2 | 8.41 | 8.61 | 8.64 | 8.73 | 8.69 | 8.39 | 7.84 |
| 14 | 8.33 | 8.55 | 8.84 | 8.94 | 9.08 | 9.14 | 8.84 | 8.37 |
| 16 | 8.41 | 8.64 | 9.01 | 9.22 | 9.32 | 9.56 | 9.32 | 8.78 |
| 20 | 8.49 | 8.75 | 9.2 | 9.63 | 9.72 | 10.1 | 10.27 | 9.68 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 4.15 | 143° | 4.05 |
| 8 | 41.4° | 4.99 | 147.8° | 5.07 |
| 10 | 40° | 5.55 | 149.3° | 6.01 |
| 12 | 38.7° | 5.83 | 154.7° | 6.85 |
| 14 | 37.6° | 6 | 162.2° | 7.49 |
| 16 | 37.2° | 6.1 | 175.4° | 8.05 |
| 20 | 36° | 6.24 | 177.2° | 8.88 |
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