BICHO — ORC Rating | RegattaPages

GPH

731.1

OSN

710.6

LOA

9.31 m

Displacement

4600 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5698

Medium

0.7536

High

0.8509

Triple Offshore

Low

0.726

Medium

0.9231

High

1.0142

Boat Specifications

Dimensions

Length overall: 9.31 m
Beam: 3.17 m
Draft: 1.59 m
Displacement: 4600 kg
Crew weight: 286 kg
Wetted surface: 20.01 m²

Sails

Mainsail: 23.31 m²
Genoa: 32.04 m²
Spinnaker: 67.68 m²
Asymmetric spinnaker: 0 m²

Design

Type: F&C 31
Builder: AST. F&C
Designer: GERMAN FRERS
Year built: 1975

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.

6,43.1,4.136067,52,4.58,60,4.79,75,4.92,90,4.84,110,4.84,120,4.72,135,4.31,147.1,3.811249,150,3.7
8,41.4,4.785958,52,5.32,60,5.52,75,5.66,90,5.62,110,5.77,120,5.66,135,5.25,150,4.66,151.4,4.601456
10,40.7,5.223349,52,5.79,60,5.97,75,6.11,90,6.14,110,6.32,120,6.26,135,5.99,150,5.46,154.1,5.280372
12,40.9,5.477252,52,6.03,60,6.2,75,6.37,90,6.42,110,6.64,120,6.63,135,6.44,150,6.07,160.6,5.703849
14,40.7,5.553106,52,6.12,60,6.32,75,6.53,90,6.63,110,6.85,120,6.91,135,6.76,150,6.46,174.1,5.951526
16,40.7,5.605867,52,6.17,60,6.37,75,6.63,90,6.79,110,7.01,120,7.14,135,7.06,150,6.77,178.1,6.333482
20,41.4,5.652496,52,6.2,60,6.42,75,6.74,90,7,110,7.22,120,7.48,135,7.6,150,7.32,179,6.901051
24,42.4,5.633381,52,6.16,60,6.42,75,6.8,90,7.13,110,7.26,120,7.71,135,8.14,150,7.87,179,7.42113

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.58	4.79	4.92	4.84	4.84	4.72	4.31	3.7
8	5.32	5.52	5.66	5.62	5.77	5.66	5.25	4.66
10	5.79	5.97	6.11	6.14	6.32	6.26	5.99	5.46
12	6.03	6.2	6.37	6.42	6.64	6.63	6.44	6.07
14	6.12	6.32	6.53	6.63	6.85	6.91	6.76	6.46
16	6.17	6.37	6.63	6.79	7.01	7.14	7.06	6.77
20	6.2	6.42	6.74	7	7.22	7.48	7.6	7.32
24	6.16	6.42	6.8	7.13	7.26	7.71	8.14	7.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.02	147.1°	3.2
8	41.4°	3.59	151.4°	4.04
10	40.7°	3.96	154.1°	4.75
12	40.9°	4.14	160.6°	5.38
14	40.7°	4.21	174.1°	5.92
16	40.7°	4.25	178.1°	6.33
20	41.4°	4.24	179°	6.9
24	42.4°	4.16	179°	7.42

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