Butterfly
AUT A40Sail number AUT/AUT
GPH
564.3
OSN
548.5
LOA
11.99 m
Displacement
6575 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.716
Medium
0.977
High
1.1258
Triple Offshore
Low
0.9265
Medium
1.1996
High
1.3546
Boat Specifications
Dimensions
- Length overall
- 11.99 m
- Beam
- 3.76 m
- Draft
- 2.4 m
- Displacement
- 6575 kg
- Crew weight
- 867 kg
- Wetted surface
- 32.6 m²
Sails
- Mainsail
- 48.14 m²
- Genoa
- 47.11 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 141.86 m²
Design
- Type
- A40
- Builder
- Archambault
- Designer
- Nivelt
- Year built
- 2003
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.78 | 6.12 | 6.41 | 6.34 | 6.28 | 6.13 | 5.51 | 4.64 |
| 8 | 6.9 | 7.2 | 7.41 | 7.42 | 7.54 | 7.42 | 6.83 | 5.74 |
| 10 | 7.56 | 7.75 | 7.89 | 7.94 | 8.14 | 8.07 | 7.73 | 6.86 |
| 12 | 7.84 | 8.02 | 8.22 | 8.27 | 8.62 | 8.6 | 8.24 | 7.71 |
| 14 | 7.95 | 8.17 | 8.5 | 8.64 | 9 | 9.2 | 8.81 | 8.19 |
| 16 | 8.01 | 8.25 | 8.7 | 9.02 | 9.31 | 9.76 | 9.48 | 8.69 |
| 20 | 8.07 | 8.32 | 8.9 | 9.59 | 9.97 | 10.56 | 11.11 | 9.96 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.78 | 141.8° | 4.02 |
| 8 | 41.2° | 4.61 | 147° | 4.97 |
| 10 | 39.8° | 5.26 | 147° | 5.94 |
| 12 | 38.1° | 5.58 | 155.2° | 6.75 |
| 14 | 37.1° | 5.73 | 166° | 7.34 |
| 16 | 36.8° | 5.81 | 180° | 7.88 |
| 20 | 36.4° | 5.89 | 180° | 8.81 |
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