Drifter
RSA One-offSail number RSA/RSA4629
GPH
783.3
OSN
746.7
LOA
12.297 m
Displacement
12628 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.4677
Medium
0.6991
High
0.9021
Triple Offshore
Low
0.6087
Medium
0.8871
High
1.0961
Boat Specifications
Dimensions
- Length overall
- 12.297 m
- Beam
- 4.01 m
- Draft
- 2.31 m
- Displacement
- 12628 kg
- Crew weight
- 771 kg
- Wetted surface
- 42.77 m²
Sails
- Mainsail
- 30.61 m²
- Genoa
- 33.97 m²
- Spinnaker
- 84.95 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- One-off
- Builder
- Peter Bush
- Designer
- Scott Kaufmann
- Year built
- 1982
- Stability index
- 117
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 3.48 | 3.71 | 3.86 | 4.2 | 4.32 | 4.17 | 3.73 | 3.21 |
| 8 | 4.46 | 4.72 | 4.89 | 5.33 | 5.46 | 5.31 | 4.83 | 4.23 |
| 10 | 5.22 | 5.48 | 5.69 | 6.21 | 6.37 | 6.22 | 5.75 | 5.14 |
| 12 | 5.8 | 6.07 | 6.32 | 6.9 | 7.06 | 6.96 | 6.53 | 5.92 |
| 14 | 6.29 | 6.58 | 6.84 | 7.31 | 7.47 | 7.41 | 7.12 | 6.61 |
| 16 | 6.72 | 6.96 | 7.16 | 7.56 | 7.78 | 7.72 | 7.5 | 7.13 |
| 20 | 7.17 | 7.37 | 7.59 | 7.78 | 8.25 | 8.28 | 8.1 | 7.78 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45.4° | 2.24 | 147.8° | 2.78 |
| 8 | 44.8° | 2.89 | 149.6° | 3.67 |
| 10 | 43.6° | 3.42 | 152.3° | 4.46 |
| 12 | 42.6° | 3.86 | 155.9° | 5.17 |
| 14 | 41.4° | 4.23 | 160.4° | 5.8 |
| 16 | 40.6° | 4.56 | 166.7° | 6.4 |
| 20 | 40.2° | 4.99 | 178.4° | 7.31 |
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