Pants on Fire
RSA J-105Sail number RSA/SA3786
GPH
620.7
OSN
601.5
LOA
10.57 m
Displacement
3880 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7243
Medium
0.9896
High
1.1469
Triple Offshore
Low
0.9407
Medium
1.2296
High
1.4053
Boat Specifications
Dimensions
- Length overall
- 10.57 m
- Beam
- 3.35 m
- Draft
- 2 m
- Displacement
- 3880 kg
- Crew weight
- 700 kg
- Wetted surface
- 24.53 m²
Sails
- Mainsail
- 34.34 m²
- Genoa
- 24.03 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 96.91 m²
Design
- Type
- J-105
- Builder
- J Boats
- Designer
- Johnstone
- Year built
- 1991
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5 | 5.34 | 5.64 | 5.82 | 5.87 | 5.71 | 5.14 | 4.35 |
| 8 | 6.04 | 6.39 | 6.67 | 6.94 | 7 | 6.87 | 6.35 | 5.47 |
| 10 | 6.77 | 7.01 | 7.19 | 7.45 | 7.55 | 7.44 | 7.13 | 6.44 |
| 12 | 7.14 | 7.33 | 7.52 | 7.69 | 8.12 | 7.98 | 7.6 | 7.07 |
| 14 | 7.35 | 7.58 | 7.87 | 7.93 | 8.57 | 8.63 | 8.14 | 7.43 |
| 16 | 7.47 | 7.76 | 8.21 | 8.3 | 8.9 | 9.31 | 8.76 | 7.77 |
| 20 | 7.57 | 7.93 | 8.61 | 9.14 | 9.56 | 10.19 | 10.44 | 8.85 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.1° | 3.25 | 144.1° | 3.76 |
| 8 | 42.1° | 3.99 | 147.7° | 4.74 |
| 10 | 41.5° | 4.55 | 148.8° | 5.58 |
| 12 | 39.6° | 5 | 150.6° | 6.13 |
| 14 | 38.3° | 5.24 | 173.8° | 6.46 |
| 16 | 37.5° | 5.36 | 176.8° | 7.01 |
| 20 | 36.9° | 5.46 | 177.2° | 7.75 |
Loading polar chart…