COUNTERPOINT — ORC Rating

GPH

606.1

OSN

590.8

LOA

12.91 m

Displacement

9266 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.678

Medium

0.9031

High

1.0214

Triple Offshore

Low

0.872

Medium

1.1153

High

1.2279

Boat Specifications

Dimensions

Length overall: 12.91 m
Beam: 4.05 m
Draft: 2.35 m
Displacement: 9266 kg
Crew weight: 700 kg
Wetted surface: 36.01 m²

Sails

Mainsail: 41 m²
Genoa: 67.42 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 147.87 m²

Design

Type: Serendipity 43
Builder: New Oleans Marine
Designer: Doug Peterson
Year built: 1981

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.

6,42,4.938472,52,5.52,60,5.79,75,6.02,90,5.95,110,5.78,120,5.64,135,5.08,145,4.565697,150,4.31
8,40.5,5.74693,52,6.53,60,6.8,75,6.98,90,6.95,110,6.99,120,6.84,135,6.25,148,5.494971,150,5.38
10,40.9,6.509198,52,7.15,60,7.33,75,7.45,90,7.48,110,7.6,120,7.53,135,7.19,147,6.557998,150,6.36
12,39.4,6.716416,52,7.39,60,7.56,75,7.71,90,7.75,110,7.96,120,7.92,135,7.67,149,7.163129,150,7.09
14,38.4,6.788369,52,7.49,60,7.67,75,7.89,90,7.98,110,8.26,120,8.28,135,8.03,150,7.48,151,7.420368
16,38.2,6.87148,52,7.54,60,7.74,75,8.03,90,8.19,110,8.48,120,8.65,135,8.42,150,7.76,175,7.006662
20,38.2,6.89693,52,7.57,60,7.79,75,8.17,90,8.55,110,8.81,120,9.16,135,9.19,150,8.3,178,7.744718

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.52	5.79	6.02	5.95	5.78	5.64	5.08	4.31
8	6.53	6.8	6.98	6.95	6.99	6.84	6.25	5.38
10	7.15	7.33	7.45	7.48	7.6	7.53	7.19	6.36
12	7.39	7.56	7.71	7.75	7.96	7.92	7.67	7.09
14	7.49	7.67	7.89	7.98	8.26	8.28	8.03	7.48
16	7.54	7.74	8.03	8.19	8.48	8.65	8.42	7.76
20	7.57	7.79	8.17	8.55	8.81	9.16	9.19	8.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.67	145°	3.74
8	40.5°	4.37	148°	4.66
10	40.9°	4.92	147°	5.5
12	39.4°	5.19	149°	6.14
14	38.4°	5.32	151°	6.49
16	38.2°	5.4	175°	6.98
20	38.2°	5.42	178°	7.74

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