Bonne chance — ORC Rating

GPH

679.9

OSN

660.1

LOA

11.28 m

Displacement

8000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5952

Medium

0.8051

High

0.9418

Triple Offshore

Low

0.7654

Medium

0.9977

High

1.1219

Boat Specifications

Dimensions

Length overall: 11.28 m
Beam: 3.17 m
Draft: 1.93 m
Displacement: 8000 kg
Crew weight: 450 kg
Wetted surface: 27.61 m²

Sails

Mainsail: 24.44 m²
Genoa: 46.04 m²
Spinnaker: 91.44 m²
Asymmetric spinnaker: 88.67 m²

Design

Type: CHANCE 37
Builder: Wauquiez
Designer: Britton Chance jr
Year built: 1972

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.

6,43.1,4.273023,52,4.78,60,5.05,75,5.26,90,5.19,110,5.17,120,5.02,135,4.57,146.5,4.029329,150,3.88
8,40.9,4.961279,52,5.6,60,5.88,75,6.13,90,6.07,110,6.23,120,6.06,135,5.56,150,4.9,151,4.847821
10,40.5,5.510215,52,6.27,60,6.53,75,6.72,90,6.76,110,6.89,120,6.82,135,6.48,150,5.75,152,5.640199
12,42,6.041891,52,6.65,60,6.85,75,7.01,90,7.07,110,7.23,120,7.19,135,6.99,150,6.51,154.5,6.315193
14,41.2,6.219972,52,6.84,60,7.03,75,7.2,90,7.23,110,7.48,120,7.47,135,7.3,150,6.98,171,6.388655
16,40.9,6.337207,52,6.94,60,7.14,75,7.35,90,7.39,110,7.68,120,7.73,135,7.57,150,7.27,180,6.82
20,40.5,6.404474,52,7.01,60,7.22,75,7.53,90,7.69,110,7.94,120,8.22,135,8.17,150,7.8,180,7.4

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.05	5.26	5.19	5.17	5.02	4.57	3.88
8	5.6	5.88	6.13	6.07	6.23	6.06	5.56	4.9
10	6.27	6.53	6.72	6.76	6.89	6.82	6.48	5.75
12	6.65	6.85	7.01	7.07	7.23	7.19	6.99	6.51
14	6.84	7.03	7.2	7.23	7.48	7.47	7.3	6.98
16	6.94	7.14	7.35	7.39	7.68	7.73	7.57	7.27
20	7.01	7.22	7.53	7.69	7.94	8.22	8.17	7.8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.12	146.5°	3.36
8	40.9°	3.75	151°	4.24
10	40.5°	4.19	152°	4.98
12	42°	4.49	154.5°	5.7
14	41.2°	4.68	171°	6.31
16	40.9°	4.79	180°	6.82
20	40.5°	4.87	180°	7.4

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