Seaduction — ORC Rating

GPH

673.4

OSN

651.3

LOA

9.61 m

Displacement

3750 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5914

Medium

0.8196

High

0.9633

Triple Offshore

Low

0.7645

Medium

1.0116

High

1.1523

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.94 m
Displacement: 3750 kg
Crew weight: 577 kg
Wetted surface: 21.77 m²

Sails

Mainsail: 25.87 m²
Genoa: 20.27 m²
Spinnaker: 59.08 m²
Asymmetric spinnaker: 0 m²

Design

Type: first 31.7
Builder: BENETEAU
Designer: FINOT
Year built: 1998

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.

6,43.5,4.232297,52,4.69,60,4.96,75,5.15,90,5.2,110,5.25,120,5.08,135,4.58,146,4.04083,150,3.87
8,42,5.01921,52,5.61,60,5.9,75,6.11,90,6.28,110,6.37,120,6.2,135,5.65,150,4.907477
10,40.7,5.579486,52,6.26,60,6.49,75,6.67,90,6.88,110,6.96,120,6.88,135,6.51,150,5.81,152,5.708153
12,39.6,6.034938,52,6.66,60,6.82,75,6.97,90,7.2,110,7.35,120,7.27,135,6.99,150,6.55,157.5,6.223755
14,38.2,6.222507,52,6.86,60,7.03,75,7.2,90,7.38,110,7.76,120,7.68,135,7.36,150,6.99,180,6.38
16,37.9,6.285769,52,6.96,60,7.16,75,7.42,90,7.54,110,8.14,120,8.12,135,7.78,150,7.34,180,6.86
20,38.2,6.286132,52,6.98,60,7.22,75,7.68,90,8.05,110,8.6,120,9.02,135,8.73,150,8.13,180,7.55

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.69	4.96	5.15	5.2	5.25	5.08	4.58	3.87
8	5.61	5.9	6.11	6.28	6.37	6.2	5.65	4.91
10	6.26	6.49	6.67	6.88	6.96	6.88	6.51	5.81
12	6.66	6.82	6.97	7.2	7.35	7.27	6.99	6.55
14	6.86	7.03	7.2	7.38	7.76	7.68	7.36	6.99
16	6.96	7.16	7.42	7.54	8.14	8.12	7.78	7.34
20	6.98	7.22	7.68	8.05	8.6	9.02	8.73	8.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.07	146°	3.35
8	42°	3.73	150°	4.25
10	40.7°	4.23	152°	5.04
12	39.6°	4.65	157.5°	5.75
14	38.2°	4.89	180°	6.38
16	37.9°	4.96	180°	6.86
20	38.2°	4.94	180°	7.55

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