Ichiban
HKG FIRST 405Sail number HKG/HKG6135
GPH
627.8
OSN
610.2
LOA
11.986 m
Displacement
8400 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6546
Medium
0.8795
High
1.0037
Triple Offshore
Low
0.8426
Medium
1.0766
High
1.1892
Boat Specifications
Dimensions
- Length overall
- 11.986 m
- Beam
- 3.92 m
- Draft
- 1.72 m
- Displacement
- 8400 kg
- Crew weight
- 671 kg
- Wetted surface
- 32.15 m²
Sails
- Mainsail
- 49.08 m²
- Genoa
- 36.24 m²
- Spinnaker
- 110.63 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 405
- Builder
- BENETEAU
- Designer
- FARR
- Year built
- 1997
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.26 | 5.57 | 5.77 | 5.67 | 5.76 | 5.6 | 5.05 | 4.27 |
| 8 | 6.19 | 6.46 | 6.65 | 6.68 | 6.83 | 6.71 | 6.21 | 5.41 |
| 10 | 6.75 | 6.96 | 7.12 | 7.19 | 7.37 | 7.31 | 7.01 | 6.36 |
| 12 | 7.03 | 7.22 | 7.39 | 7.43 | 7.7 | 7.68 | 7.47 | 7.05 |
| 14 | 7.17 | 7.37 | 7.58 | 7.66 | 7.95 | 7.98 | 7.81 | 7.47 |
| 16 | 7.24 | 7.45 | 7.71 | 7.84 | 8.14 | 8.27 | 8.13 | 7.8 |
| 20 | 7.32 | 7.54 | 7.87 | 8.14 | 8.42 | 8.76 | 8.85 | 8.44 |
| 24 | 7.33 | 7.56 | 7.96 | 8.34 | 8.52 | 9.11 | 9.73 | 9.27 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 3.42 | 143.9° | 3.7 |
| 8 | 42.2° | 4.13 | 148.9° | 4.68 |
| 10 | 40.7° | 4.61 | 152.5° | 5.52 |
| 12 | 40.3° | 4.87 | 158.5° | 6.23 |
| 14 | 39.8° | 5 | 171.8° | 6.82 |
| 16 | 39.5° | 5.08 | 178.1° | 7.29 |
| 20 | 39.4° | 5.14 | 179° | 7.93 |
| 24 | 40.4° | 5.08 | 178.6° | 8.56 |
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