Polled 2 — ORC Rating

GPH

630.9

OSN

612.8

LOA

9.998 m

Displacement

4219 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6432

Medium

0.8741

High

1.0032

Triple Offshore

Low

0.8295

Medium

1.0741

High

1.2032

Boat Specifications

Dimensions

Length overall: 9.998 m
Beam: 3.36 m
Draft: 2.3 m
Displacement: 4219 kg
Crew weight: 620 kg
Wetted surface: 23.39 m²

Sails

Mainsail: 33.31 m²
Genoa: 24.98 m²
Spinnaker: 71.04 m²
Asymmetric spinnaker: 79.94 m²

Design

Type: Cobra 33
Builder: Rufi
Designer: A. Skrzat
Year built: 2012

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.

6,42,4.561695,52,5.13,60,5.39,75,5.59,90,5.7,110,5.68,120,5.5,135,4.93,144.5,4.446543,150,4.18
8,40.5,5.365555,52,6.07,60,6.35,75,6.55,90,6.74,110,6.8,120,6.65,135,6.09,148,5.35347,150,5.25
10,40.1,6.092129,52,6.74,60,6.91,75,7.04,90,7.24,110,7.34,120,7.24,135,6.92,148,6.320396,150,6.18
12,38.2,6.337032,52,7.03,60,7.19,75,7.34,90,7.57,110,7.77,120,7.68,135,7.37,150,6.87,157.5,6.537649
14,37.9,6.437844,52,7.13,60,7.32,75,7.57,90,7.82,110,8.15,120,8.18,135,7.8,150,7.3,176,6.696312
16,37.9,6.46319,52,7.17,60,7.37,75,7.73,90,7.99,110,8.42,120,8.69,135,8.29,150,7.68,180,7.16
20,38.2,6.591531,52,7.24,60,7.43,75,7.84,90,8.4,110,9.17,120,9.37,135,9.46,150,8.59,180,7.91

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.13	5.39	5.59	5.7	5.68	5.5	4.93	4.18
8	6.07	6.35	6.55	6.74	6.8	6.65	6.09	5.25
10	6.74	6.91	7.04	7.24	7.34	7.24	6.92	6.18
12	7.03	7.19	7.34	7.57	7.77	7.68	7.37	6.87
14	7.13	7.32	7.57	7.82	8.15	8.18	7.8	7.3
16	7.17	7.37	7.73	7.99	8.42	8.69	8.29	7.68
20	7.24	7.43	7.84	8.4	9.17	9.37	9.46	8.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.39	144.5°	3.62
8	40.5°	4.08	148°	4.54
10	40.1°	4.66	148°	5.36
12	38.2°	4.98	157.5°	6.04
14	37.9°	5.08	176°	6.68
16	37.9°	5.1	180°	7.16
20	38.2°	5.18	180°	7.91

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