Sea Dazzle — ORC Rating

GPH

676.7

OSN

652.3

LOA

9.61 m

Displacement

3928 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5905

Medium

0.8212

High

0.9617

Triple Offshore

Low

0.7596

Medium

1.0082

High

1.1434

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.94 m
Displacement: 3928 kg
Crew weight: 587 kg
Wetted surface: 22.32 m²

Sails

Mainsail: 24.27 m²
Genoa: 25.7 m²
Spinnaker: 60.18 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Finot
Year built: 1998
Stability index: 108.7

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,43.5,4.342585,52,4.79,60,5.04,75,5.18,90,5.05,110,5.09,120,4.92,135,4.41,146,3.884022,150,3.72
8,41.4,5.145905,52,5.73,60,5.96,75,6.1,90,6.1,110,6.19,120,6.02,135,5.49,149.6,4.799924,150,4.78
10,39.6,5.671544,52,6.32,60,6.51,75,6.65,90,6.75,110,6.86,120,6.75,135,6.35,150,5.7,152.9,5.549235
12,38.2,6.018908,52,6.67,60,6.83,75,6.97,90,7.11,110,7.27,120,7.19,135,6.9,150,6.43,157.7,6.106724
14,37.6,6.197229,52,6.87,60,7.03,75,7.21,90,7.32,110,7.62,120,7.57,135,7.29,150,6.92,169.4,6.358506
16,37.2,6.264674,52,6.96,60,7.16,75,7.41,90,7.5,110,7.94,120,7.94,135,7.67,150,7.28,177.2,6.758068
20,37.2,6.302337,52,7.03,60,7.26,75,7.64,90,7.92,110,8.39,120,8.65,135,8.47,150,8,179,7.451135

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.79	5.04	5.18	5.05	5.09	4.92	4.41	3.72
8	5.73	5.96	6.1	6.1	6.19	6.02	5.49	4.78
10	6.32	6.51	6.65	6.75	6.86	6.75	6.35	5.7
12	6.67	6.83	6.97	7.11	7.27	7.19	6.9	6.43
14	6.87	7.03	7.21	7.32	7.62	7.57	7.29	6.92
16	6.96	7.16	7.41	7.5	7.94	7.94	7.67	7.28
20	7.03	7.26	7.64	7.92	8.39	8.65	8.47	8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.15	146°	3.22
8	41.4°	3.86	149.6°	4.14
10	39.6°	4.37	152.9°	4.94
12	38.2°	4.73	157.7°	5.65
14	37.6°	4.91	169.4°	6.25
16	37.2°	4.99	177.2°	6.75
20	37.2°	5.02	179°	7.45

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