YOUKOUNKOUN 3
ESP FIRST 36.7 MODSail number ESP/ESP6106_C
Stored record updated May 13, 2026 UTC.
GPH
633.9
OSN
613.5
LOA
11.2 m
Displacement
5692 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.632
Medium
0.8715
High
1.0124
Triple Offshore
Low
0.8163
Medium
1.0739
High
1.2083
Boat Specifications
Dimensions
- Length overall
- 11.2 m
- Beam
- 3.46 m
- Draft
- 2.23 m
- Displacement
- 5692 kg
- Crew weight
- 535 kg
- Wetted surface
- 26.53 m²
Sails
- Mainsail
- 38.72 m²
- Genoa
- 29.63 m²
- Spinnaker
- 82.15 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 36.7 MOD
- Builder
- BENETEAU
- Designer
- B.FARR
- Year built
- 2001
- Stability index
- 120.7
Performance data
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.07 | 5.36 | 5.58 | 5.52 | 5.56 | 5.38 | 4.84 | 4.09 |
| 8 | 6.03 | 6.33 | 6.56 | 6.65 | 6.73 | 6.56 | 5.97 | 5.18 |
| 10 | 6.74 | 6.96 | 7.11 | 7.28 | 7.36 | 7.26 | 6.88 | 6.14 |
| 12 | 7.11 | 7.29 | 7.43 | 7.57 | 7.77 | 7.68 | 7.39 | 6.92 |
| 14 | 7.26 | 7.46 | 7.68 | 7.74 | 8.16 | 8.1 | 7.78 | 7.4 |
| 16 | 7.32 | 7.53 | 7.86 | 8.03 | 8.44 | 8.53 | 8.21 | 7.76 |
| 20 | 7.37 | 7.58 | 8.02 | 8.49 | 8.81 | 9.2 | 9.11 | 8.57 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.32 | 144.8° | 3.54 |
| 8 | 41.2° | 4.02 | 149.8° | 4.49 |
| 10 | 40.8° | 4.59 | 152° | 5.32 |
| 12 | 39.4° | 4.98 | 156.8° | 6.08 |
| 14 | 39° | 5.12 | 168.2° | 6.71 |
| 16 | 38.8° | 5.18 | 177.2° | 7.22 |
| 20 | 38.8° | 5.24 | 178.4° | 7.94 |
VPP POLAR · BOAT SPEED BY TWAKT
Hover or tap the chart, or use the slider, to read boat speeds.
True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Data table
| TWA | Boat speed in 6 kt (kt) | Boat speed in 8 kt (kt) | Boat speed in 10 kt (kt) | Boat speed in 12 kt (kt) | Boat speed in 14 kt (kt) | Boat speed in 16 kt (kt) | Boat speed in 20 kt (kt) |
|---|---|---|---|---|---|---|---|
| 0° | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 52° | 5.07 | 6.03 | 6.74 | 7.11 | 7.26 | 7.32 | 7.37 |
| 60° | 5.36 | 6.33 | 6.96 | 7.29 | 7.46 | 7.53 | 7.58 |
| 75° | 5.58 | 6.56 | 7.11 | 7.43 | 7.68 | 7.86 | 8.02 |
| 90° | 5.52 | 6.65 | 7.28 | 7.57 | 7.74 | 8.03 | 8.49 |
| 110° | 5.56 | 6.73 | 7.36 | 7.77 | 8.16 | 8.44 | 8.81 |
| 120° | 5.38 | 6.56 | 7.26 | 7.68 | 8.10 | 8.53 | 9.20 |
| 135° | 4.84 | 5.97 | 6.88 | 7.39 | 7.78 | 8.21 | 9.11 |
| 150° | 4.09 | 5.18 | 6.14 | 6.92 | 7.40 | 7.76 | 8.57 |