OIRRIOR — ORC Rating | RegattaPages

GPH

689.9

OSN

670.4

LOA

9.868 m

Displacement

4180 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6648

Medium

0.9015

High

1.0298

Triple Offshore

Low

0.8543

Medium

1.1054

High

1.2275

Boat Specifications

Dimensions

Length overall: 9.868 m
Beam: 3.21 m
Draft: 1.78 m
Displacement: 4180 kg
Crew weight: 507 kg
Wetted surface: 20.51 m²

Sails

Mainsail: 26.97 m²
Genoa: 26.71 m²
Spinnaker: 78.43 m²
Asymmetric spinnaker: 0 m²

Design

Type: Sigma 33 OOD
Builder: Sigma Yachts
Designer: D.Thomas
Year built: 1978

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.

6,42,4.144549,52,4.64,60,4.87,75,5.05,90,5.1,110,5.22,120,5.07,135,4.59,147.5,4.019486,150,3.92
8,40.8,4.834906,52,5.48,60,5.76,75,5.96,90,6.14,110,6.28,120,6.17,135,5.64,150,4.9,151.9,4.806565
10,41.3,5.510712,52,6.12,60,6.31,75,6.45,90,6.62,110,6.76,120,6.7,135,6.46,149.8,5.843049,150,5.83
12,40.4,5.830304,52,6.4,60,6.56,75,6.71,90,6.82,110,7.09,120,7.06,135,6.84,150,6.5,160.1,6.136417
14,39.8,5.935309,52,6.53,60,6.71,75,6.9,90,6.97,110,7.38,120,7.42,135,7.19,150,6.85,180,6.35
16,39.6,5.983025,52,6.59,60,6.78,75,7.05,90,7.19,110,7.57,120,7.75,135,7.56,150,7.17,180,6.73
20,41,6.055309,52,6.61,60,6.83,75,7.22,90,7.55,110,7.85,120,8.15,135,8.28,150,7.86,180,7.35

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.64	4.87	5.05	5.1	5.22	5.07	4.59	3.92
8	5.48	5.76	5.96	6.14	6.28	6.17	5.64	4.9
10	6.12	6.31	6.45	6.62	6.76	6.7	6.46	5.83
12	6.4	6.56	6.71	6.82	7.09	7.06	6.84	6.5
14	6.53	6.71	6.9	6.97	7.38	7.42	7.19	6.85
16	6.59	6.78	7.05	7.19	7.57	7.75	7.56	7.17
20	6.61	6.83	7.22	7.55	7.85	8.15	8.28	7.86

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.08	147.5°	3.39
8	40.8°	3.66	151.9°	4.24
10	41.3°	4.14	149.8°	5.05
12	40.4°	4.44	160.1°	5.77
14	39.8°	4.56	180°	6.35
16	39.6°	4.61	180°	6.73
20	41°	4.57	180°	7.35

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