SPEEDY
ITA SURPRISESail number ITA/ITA11495U
GPH
690.3
OSN
667.9
LOA
7.64 m
Displacement
1285 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5944
Medium
0.8054
High
0.921
Triple Offshore
Low
0.7621
Medium
0.9783
High
1.1058
Boat Specifications
Dimensions
- Length overall
- 7.64 m
- Beam
- 2.38 m
- Draft
- 1.58 m
- Displacement
- 1285 kg
- Crew weight
- 400 kg
- Wetted surface
- 13.26 m²
Sails
- Mainsail
- 19.07 m²
- Genoa
- 17.05 m²
- Spinnaker
- 41.15 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- SURPRISE
- Builder
- Archambault
- Designer
- JOUBERT-NIVELT
- Year built
- 1977
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.92 | 5.14 | 5.26 | 5.15 | 5.11 | 4.93 | 4.38 | 3.66 |
| 8 | 5.72 | 5.88 | 5.97 | 5.98 | 6.03 | 5.9 | 5.38 | 4.68 |
| 10 | 6.11 | 6.24 | 6.35 | 6.44 | 6.56 | 6.45 | 6.13 | 5.55 |
| 12 | 6.33 | 6.49 | 6.67 | 6.74 | 7.04 | 6.96 | 6.6 | 6.18 |
| 14 | 6.43 | 6.63 | 6.92 | 7.05 | 7.48 | 7.47 | 7.09 | 6.62 |
| 16 | 6.49 | 6.71 | 7.08 | 7.35 | 7.86 | 8.04 | 7.62 | 7.07 |
| 20 | 6.58 | 6.84 | 7.31 | 7.8 | 8.46 | 9.24 | 9.14 | 8.13 |
| 24 | 6.58 | 6.88 | 7.44 | 8.12 | 9.08 | 10.4 | 12.35 | 10.58 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.27 | 145.1° | 3.17 |
| 8 | 40.4° | 3.94 | 150.1° | 4.05 |
| 10 | 37.5° | 4.4 | 152.3° | 4.82 |
| 12 | 36.1° | 4.62 | 161.3° | 5.5 |
| 14 | 35.7° | 4.7 | 176.8° | 6.04 |
| 16 | 35.6° | 4.74 | 177.7° | 6.46 |
| 20 | 36° | 4.76 | 176.8° | 7.29 |
| 24 | 37.4° | 4.69 | 140.9° | 9.16 |
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