Shamrock Sensation
USA NM 40Sail number USA/USA25279
GPH
572.2
OSN
559
LOA
12.29 m
Displacement
5390 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7257
Medium
0.9518
High
1.0623
Triple Offshore
Low
0.9368
Medium
1.1749
High
1.2936
Boat Specifications
Dimensions
- Length overall
- 12.29 m
- Beam
- 3.75 m
- Draft
- 2.3 m
- Displacement
- 5390 kg
- Crew weight
- 674 kg
- Wetted surface
- 27.66 m²
Sails
- Mainsail
- 42.72 m²
- Genoa
- 56.66 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 147.13 m²
Design
- Type
- NM 40
- Builder
- Scorpio Yachts
- Designer
- Nelson Marek
- Year built
- 1991
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.99 | 6.32 | 6.59 | 6.53 | 6.25 | 6.12 | 5.4 | 4.57 |
| 8 | 7.04 | 7.26 | 7.41 | 7.39 | 7.41 | 7.32 | 6.8 | 5.71 |
| 10 | 7.44 | 7.64 | 7.81 | 7.83 | 7.99 | 7.93 | 7.61 | 6.81 |
| 12 | 7.59 | 7.81 | 8.11 | 8.21 | 8.4 | 8.5 | 8.14 | 7.55 |
| 14 | 7.67 | 7.9 | 8.28 | 8.56 | 8.69 | 8.99 | 8.71 | 7.93 |
| 16 | 7.72 | 7.96 | 8.4 | 8.81 | 8.96 | 9.33 | 9.3 | 8.33 |
| 20 | 7.81 | 8.04 | 8.5 | 9.06 | 9.45 | 10 | 10.91 | 9.36 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.95 | 144° | 3.96 |
| 8 | 41.2° | 4.75 | 147.5° | 4.94 |
| 10 | 39.8° | 5.18 | 147.5° | 5.9 |
| 12 | 38.6° | 5.38 | 151° | 6.54 |
| 14 | 38.2° | 5.48 | 150.5° | 6.87 |
| 16 | 38.2° | 5.5 | 176° | 7.37 |
| 20 | 37.9° | 5.6 | 177° | 8.17 |
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