CHILAVISTA — ORC Rating

GPH

636.8

OSN

621.5

LOA

9.4 m

Displacement

3001 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.652

Medium

0.8567

High

0.9527

Triple Offshore

Low

0.8392

Medium

1.0569

High

1.1643

Boat Specifications

Dimensions

Length overall: 9.4 m
Beam: 3.34 m
Draft: 1.97 m
Displacement: 3001 kg
Crew weight: 350 kg
Wetted surface: 19.03 m²

Sails

Mainsail: 30.87 m²
Genoa: 23.85 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 74.82 m²

Design

Type: Bonin 31
Builder: Bonin
Designer: Cossutti
Year built: 2006

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.

6,42.8,4.647487,52,5.18,60,5.48,75,5.72,90,5.72,110,5.78,120,5.62,135,5.05,144,4.573452,150,4.27
8,41.2,5.462412,52,6.13,60,6.37,75,6.55,90,6.68,110,6.77,120,6.66,135,6.2,148,5.471388,150,5.36
10,39.9,5.996101,52,6.64,60,6.82,75,6.96,90,7.07,110,7.27,120,7.18,135,6.89,149,6.334819,150,6.27
12,39.4,6.185832,52,6.83,60,7.03,75,7.24,90,7.3,110,7.73,120,7.69,135,7.35,150,6.81,151,6.757223
14,39.4,6.263478,52,6.9,60,7.11,75,7.46,90,7.64,110,8.04,120,8.24,135,7.86,150,7.17,175,6.384294
16,39.8,6.312774,52,6.92,60,7.15,75,7.58,90,7.95,110,8.3,120,8.71,135,8.42,150,7.52,178,6.844169
20,40.5,6.391323,52,6.99,60,7.23,75,7.65,90,8.28,110,8.78,120,9.38,135,9.96,150,8.55,177,7.580389

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.18	5.48	5.72	5.72	5.78	5.62	5.05	4.27
8	6.13	6.37	6.55	6.68	6.77	6.66	6.2	5.36
10	6.64	6.82	6.96	7.07	7.27	7.18	6.89	6.27
12	6.83	7.03	7.24	7.3	7.73	7.69	7.35	6.81
14	6.9	7.11	7.46	7.64	8.04	8.24	7.86	7.17
16	6.92	7.15	7.58	7.95	8.3	8.71	8.42	7.52
20	6.99	7.23	7.65	8.28	8.78	9.38	9.96	8.55

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.41	144°	3.7
8	41.2°	4.11	148°	4.64
10	39.9°	4.6	149°	5.43
12	39.4°	4.78	151°	5.91
14	39.4°	4.84	175°	6.36
16	39.8°	4.85	178°	6.84
20	40.5°	4.86	177°	7.57

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