IRIS
USA TARTAN 34CSail number USA/USA10611
GPH
690.7
OSN
671.7
LOA
10.491 m
Displacement
5063 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6112
Medium
0.7972
High
0.8985
Triple Offshore
Low
0.7732
Medium
0.9745
High
1.0683
Boat Specifications
Dimensions
- Length overall
- 10.491 m
- Beam
- 3.08 m
- Draft
- 2.54 m
- Displacement
- 5063 kg
- Crew weight
- 462 kg
- Wetted surface
- 22.47 m²
Sails
- Mainsail
- 24.02 m²
- Genoa
- 40.37 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 67.71 m²
Design
- Type
- TARTAN 34C
- Builder
- Tartan Yachts
- Designer
- OLIN STEPHENS
- Year built
- 1967
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 | 4.98 | 5.16 | 5.25 | 5.13 | 5.01 | 4.86 | 4.43 | 3.81 |
| 8 | 5.75 | 5.9 | 5.99 | 5.94 | 5.99 | 5.86 | 5.43 | 4.77 |
| 10 | 6.2 | 6.33 | 6.41 | 6.44 | 6.55 | 6.47 | 6.18 | 5.54 |
| 12 | 6.42 | 6.55 | 6.67 | 6.72 | 6.89 | 6.85 | 6.64 | 6.07 |
| 14 | 6.5 | 6.64 | 6.82 | 6.91 | 7.15 | 7.16 | 6.98 | 6.43 |
| 16 | 6.54 | 6.68 | 6.9 | 7.07 | 7.35 | 7.44 | 7.28 | 6.7 |
| 20 | 6.56 | 6.72 | 6.99 | 7.24 | 7.59 | 7.88 | 7.83 | 7.17 |
| 24 | 6.55 | 6.73 | 7.03 | 7.34 | 7.76 | 8.19 | 8.36 | 7.62 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 40.7° | 3.38 | 146° | 3.3 |
| 8 | 39.1° | 4 | 147.3° | 4.13 |
| 10 | 37.9° | 4.43 | 147.1° | 4.8 |
| 12 | 37.1° | 4.64 | 147.7° | 5.26 |
| 14 | 36.6° | 4.73 | 170.3° | 5.64 |
| 16 | 36.4° | 4.78 | 172.3° | 6.12 |
| 20 | 36.6° | 4.78 | 174.7° | 6.74 |
| 24 | 37.3° | 4.73 | 174.7° | 7.21 |
Loading polar chart…