MARRET
GER FIRST 31.7Sail number GER/GER4956
GPH
670.6
OSN
649.7
LOA
9.61 m
Displacement
3553 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5991
Medium
0.8194
High
0.9354
Triple Offshore
Low
0.7754
Medium
1.0145
High
1.1333
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3553 kg
- Crew weight
- 265 kg
- Wetted surface
- 20.5 m²
Sails
- Mainsail
- 25.6 m²
- Genoa
- 20.36 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 70.27 m²
Design
- Type
- FIRST 31.7
- Builder
- BENETEAU
- Designer
- FINOT-LONQ
- Year built
- 1998
- Stability index
- 115.1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.64 | 4.91 | 5.13 | 5.35 | 5.44 | 5.29 | 4.77 | 4.03 |
| 8 | 5.56 | 5.84 | 6.08 | 6.42 | 6.55 | 6.42 | 5.91 | 5.11 |
| 10 | 6.25 | 6.49 | 6.66 | 6.93 | 7.1 | 7.03 | 6.75 | 6.03 |
| 12 | 6.59 | 6.8 | 6.98 | 7.11 | 7.5 | 7.49 | 7.22 | 6.76 |
| 14 | 6.71 | 6.94 | 7.2 | 7.32 | 7.82 | 7.97 | 7.68 | 7.18 |
| 16 | 6.75 | 6.99 | 7.36 | 7.59 | 8.05 | 8.42 | 8.2 | 7.61 |
| 20 | 6.79 | 7.01 | 7.46 | 8.01 | 8.46 | 9 | 9.44 | 8.59 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.03 | 144.8° | 3.49 |
| 8 | 41.8° | 3.7 | 147.5° | 4.42 |
| 10 | 41.2° | 4.21 | 147.7° | 5.23 |
| 12 | 40.6° | 4.52 | 157.4° | 5.94 |
| 14 | 40.2° | 4.61 | 170° | 6.52 |
| 16 | 40.5° | 4.62 | 177.2° | 6.98 |
| 20 | 40.8° | 4.64 | 176.3° | 7.78 |
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