Guanabara — ORC Rating

GPH

667

OSN

647.3

LOA

10.826 m

Displacement

6795 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6961

Medium

0.934

High

1.0727

Triple Offshore

Low

0.8867

Medium

1.141

High

1.2688

Boat Specifications

Dimensions

Length overall: 10.826 m
Beam: 3.49 m
Draft: 2.02 m
Displacement: 6795 kg
Crew weight: 625 kg
Wetted surface: 26.69 m²

Sails

Mainsail: 26.91 m²
Genoa: 43.41 m²
Spinnaker: 100.72 m²
Asymmetric spinnaker: 0 m²

Design

Type: Contessa 35
Builder: Rogers
Designer: D Peterson
Year built: 1974

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.

6,41.8,4.373045,52,4.88,60,5.1,75,5.27,90,5.21,110,5.26,120,5.15,135,4.74,147,4.197119,150,4.07
8,40.2,5.053705,52,5.72,60,5.98,75,6.18,90,6.18,110,6.35,120,6.23,135,5.75,150,5.06,151.4,4.988707
10,40.6,5.716007,52,6.36,60,6.54,75,6.67,90,6.76,110,6.9,120,6.84,135,6.57,150,5.93,151.1,5.871169
12,39.9,6.087346,52,6.65,60,6.8,75,6.93,90,7,110,7.22,120,7.19,135,6.98,150,6.61,157.9,6.292304
14,39,6.202181,52,6.8,60,6.96,75,7.12,90,7.17,110,7.5,120,7.51,135,7.29,150,6.98,180,6.43
16,38.5,6.248338,52,6.87,60,7.05,75,7.27,90,7.36,110,7.7,120,7.83,135,7.62,150,7.27,180,6.85
20,38.9,6.270534,52,6.9,60,7.1,75,7.46,90,7.71,110,7.96,120,8.26,135,8.3,150,7.89,180,7.42

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.88	5.1	5.27	5.21	5.26	5.15	4.74	4.07
8	5.72	5.98	6.18	6.18	6.35	6.23	5.75	5.06
10	6.36	6.54	6.67	6.76	6.9	6.84	6.57	5.93
12	6.65	6.8	6.93	7	7.22	7.19	6.98	6.61
14	6.8	6.96	7.12	7.17	7.5	7.51	7.29	6.98
16	6.87	7.05	7.27	7.36	7.7	7.83	7.62	7.27
20	6.9	7.1	7.46	7.71	7.96	8.26	8.3	7.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.26	147°	3.52
8	40.2°	3.86	151.4°	4.38
10	40.6°	4.34	151.1°	5.14
12	39.9°	4.67	157.9°	5.83
14	39°	4.82	180°	6.43
16	38.5°	4.89	180°	6.85
20	38.9°	4.88	180°	7.42

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