SAIL MONKEY
USA FIRST 36.7Sail number USA/USA52249
Stored record updated May 13, 2026 UTC.
GPH
620.3
OSN
603.2
LOA
10.667 m
Displacement
5517 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6608
Medium
0.8916
High
1.0198
Triple Offshore
Low
0.8516
Medium
1.0895
High
1.2087
Boat Specifications
Dimensions
- Length overall
- 10.667 m
- Beam
- 3.46 m
- Draft
- 2.22 m
- Displacement
- 5517 kg
- Crew weight
- 703 kg
- Wetted surface
- 26.49 m²
Sails
- Mainsail
- 40.4 m²
- Genoa
- 44.98 m²
- Spinnaker
- 82.83 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 36.7
- Builder
- BENETEAU
- Designer
- FARR
- Year built
- 2001
- Stability index
- 112.7
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 | 5.47 | 5.77 | 6.01 | 5.95 | 5.59 | 5.41 | 4.87 | 4.12 |
| 8 | 6.46 | 6.7 | 6.86 | 6.85 | 6.73 | 6.57 | 5.99 | 5.2 |
| 10 | 6.98 | 7.14 | 7.25 | 7.28 | 7.31 | 7.22 | 6.86 | 6.15 |
| 12 | 7.17 | 7.34 | 7.51 | 7.57 | 7.7 | 7.62 | 7.34 | 6.91 |
| 14 | 7.25 | 7.42 | 7.69 | 7.85 | 8.08 | 8.02 | 7.71 | 7.35 |
| 16 | 7.29 | 7.47 | 7.79 | 8.09 | 8.36 | 8.44 | 8.13 | 7.7 |
| 20 | 7.34 | 7.52 | 7.89 | 8.37 | 8.73 | 9.12 | 9.02 | 8.49 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.62 | 144.8° | 3.57 |
| 8 | 41.2° | 4.35 | 150.2° | 4.51 |
| 10 | 39.6° | 4.88 | 152° | 5.34 |
| 12 | 38.2° | 5.1 | 157.7° | 6.08 |
| 14 | 38.1° | 5.21 | 170° | 6.7 |
| 16 | 37.9° | 5.25 | 178.1° | 7.19 |
| 20 | 37.6° | 5.32 | 179° | 7.88 |
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° | 5.47 | 6.46 | 6.98 | 7.17 | 7.25 | 7.29 | 7.34 |
| 60° | 5.77 | 6.70 | 7.14 | 7.34 | 7.42 | 7.47 | 7.52 |
| 75° | 6.01 | 6.86 | 7.25 | 7.51 | 7.69 | 7.79 | 7.89 |
| 90° | 5.95 | 6.85 | 7.28 | 7.57 | 7.85 | 8.09 | 8.37 |
| 110° | 5.59 | 6.73 | 7.31 | 7.70 | 8.08 | 8.36 | 8.73 |
| 120° | 5.41 | 6.57 | 7.22 | 7.62 | 8.02 | 8.44 | 9.12 |
| 135° | 4.87 | 5.99 | 6.86 | 7.34 | 7.71 | 8.13 | 9.02 |
| 150° | 4.12 | 5.20 | 6.15 | 6.91 | 7.35 | 7.70 | 8.49 |