CECI — ORC Rating | RegattaPages

GPH

719.6

OSN

697.9

LOA

9.201 m

Displacement

3100 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5558

Medium

0.764

High

0.8831

Triple Offshore

Low

0.7202

Medium

0.9452

High

1.0628

Boat Specifications

Dimensions

Length overall: 9.201 m
Beam: 3.17 m
Draft: 1.37 m
Displacement: 3100 kg
Crew weight: 500 kg
Wetted surface: 18.56 m²

Sails

Mainsail: 18.17 m²
Genoa: 26.65 m²
Spinnaker: 59.28 m²
Asymmetric spinnaker: 0 m²

Design

Type: Sun Odyssey 31
Builder: Jeanneau
Designer: Andrieu
Year built: 1991

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.

6,45,3.959798,52,4.38,60,4.69,75,4.93,90,4.89,110,4.97,120,4.84,135,4.42,147,3.910952,150,3.79
8,43.5,4.659663,52,5.24,60,5.59,75,5.83,90,5.87,110,6.02,120,5.9,135,5.44,150,4.78,150.5,4.756676
10,43.5,5.293818,52,5.86,60,6.12,75,6.3,90,6.43,110,6.55,120,6.48,135,6.22,150,5.63,152,5.538268
12,42,5.665114,52,6.21,60,6.39,75,6.56,90,6.72,110,6.9,120,6.85,135,6.63,150,6.28,160,5.906187
14,41.2,5.861128,52,6.39,60,6.57,75,6.76,90,6.87,110,7.25,120,7.23,135,6.97,150,6.64,180,6.14
16,41.2,5.91429,52,6.45,60,6.66,75,6.94,90,7.06,110,7.55,120,7.6,135,7.35,150,6.96,180,6.53
20,42.8,5.942241,52,6.43,60,6.68,75,7.12,90,7.47,110,7.9,120,8.24,135,8.11,150,7.65,180,7.16

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.38	4.69	4.93	4.89	4.97	4.84	4.42	3.79
8	5.24	5.59	5.83	5.87	6.02	5.9	5.44	4.78
10	5.86	6.12	6.3	6.43	6.55	6.48	6.22	5.63
12	6.21	6.39	6.56	6.72	6.9	6.85	6.63	6.28
14	6.39	6.57	6.76	6.87	7.25	7.23	6.97	6.64
16	6.45	6.66	6.94	7.06	7.55	7.6	7.35	6.96
20	6.43	6.68	7.12	7.47	7.9	8.24	8.11	7.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.8	147°	3.28
8	43.5°	3.38	150.5°	4.14
10	43.5°	3.84	152°	4.89
12	42°	4.21	160°	5.55
14	41.2°	4.41	180°	6.14
16	41.2°	4.45	180°	6.53
20	42.8°	4.36	180°	7.16

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