OPTIMUS — ORC Rating | RegattaPages

GPH

676.7

OSN

655.9

LOA

8.751 m

Displacement

3086 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5958

Medium

0.8181

High

0.9468

Triple Offshore

Low

0.7712

Medium

1.0019

High

1.1289

Boat Specifications

Dimensions

Length overall: 8.751 m
Beam: 3.15 m
Draft: 1.64 m
Displacement: 3086 kg
Crew weight: 495 kg
Wetted surface: 18.91 m²

Sails

Mainsail: 27.65 m²
Genoa: 21.49 m²
Spinnaker: 62.28 m²
Asymmetric spinnaker: 0 m²

Design

Type: CORUM 280 CR
Builder: Ast. CORUM
Designer: P. GUTIERREZ
Year built: 2007
Stability index: 117.9

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.

6,44.5,4.290218,52,4.75,60,5.05,75,5.28,90,5.27,110,5.33,120,5.17,135,4.68,146,4.137328,150,3.96
8,42.9,5.06455,52,5.64,60,5.94,75,6.15,90,6.26,110,6.36,120,6.24,135,5.75,150,5,150.2,4.989828
10,41.8,5.660813,52,6.23,60,6.42,75,6.57,90,6.74,110,6.84,120,6.77,135,6.49,150,5.92,152,5.810084
12,39.9,5.983066,52,6.53,60,6.69,75,6.84,90,7.01,110,7.24,120,7.17,135,6.9,150,6.54,160.4,6.177967
14,39,6.09924,52,6.68,60,6.86,75,7.08,90,7.16,110,7.65,120,7.61,135,7.31,150,6.92,175.4,6.400617
16,38.8,6.171905,52,6.75,60,6.95,75,7.28,90,7.45,110,7.95,120,8.06,135,7.75,150,7.3,179,6.781033
20,38.5,6.23556,52,6.8,60,7.02,75,7.48,90,7.94,110,8.35,120,8.83,135,8.78,150,8.15,178.1,7.504126

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.75	5.05	5.28	5.27	5.33	5.17	4.68	3.96
8	5.64	5.94	6.15	6.26	6.36	6.24	5.75	5
10	6.23	6.42	6.57	6.74	6.84	6.77	6.49	5.92
12	6.53	6.69	6.84	7.01	7.24	7.17	6.9	6.54
14	6.68	6.86	7.08	7.16	7.65	7.61	7.31	6.92
16	6.75	6.95	7.28	7.45	7.95	8.06	7.75	7.3
20	6.8	7.02	7.48	7.94	8.35	8.83	8.78	8.15

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.5°	3.06	146°	3.43
8	42.9°	3.71	150.2°	4.33
10	41.8°	4.22	152°	5.13
12	39.9°	4.59	160.4°	5.82
14	39°	4.74	175.4°	6.38
16	38.8°	4.81	179°	6.78
20	38.5°	4.88	178.1°	7.5

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