CHILAVISTA — ORC Rating

GPH

633.7

OSN

621

LOA

9.39 m

Displacement

3137 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.653

Medium

0.8544

High

0.9458

Triple Offshore

Low

0.8478

Medium

1.0592

High

1.1653

Boat Specifications

Dimensions

Length overall: 9.39 m
Beam: 3.34 m
Draft: 1.93 m
Displacement: 3137 kg
Crew weight: 350 kg
Wetted surface: 19.29 m²

Sails

Mainsail: 30.56 m²
Genoa: 23.62 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 74.69 m²

Design

Type: Bonin 31
Builder: Bonin
Designer: Cossutti
Year built: 2006
Stability index: 117.9

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.

6,43,4.621567,52,5.15,60,5.5,75,5.99,90,6.2,110,6.01,120,5.71,135,5.07,144.3,4.593124,150,4.31
8,41.4,5.465857,52,6.11,60,6.35,75,6.74,90,6.92,110,6.84,120,6.67,135,6.24,147.9,5.548198,150,5.42
10,40,5.965711,52,6.61,60,6.79,75,7,90,7.3,110,7.31,120,7.2,135,6.92,149.3,6.384818,150,6.34
12,39.3,6.112373,52,6.77,60,6.98,75,7.21,90,7.54,110,7.81,120,7.74,135,7.41,150,6.87,150.7,6.822852
14,39,6.137843,52,6.84,60,7.05,75,7.42,90,7.76,110,8.29,120,8.3,135,7.97,150,7.22,170,6.437805
16,39.6,6.242592,52,6.85,60,7.08,75,7.52,90,7.92,110,8.67,120,8.73,135,8.59,150,7.59,175.7,6.839252
20,40.8,6.34086,52,6.93,60,7.19,75,7.58,90,8.22,110,9.22,120,9.84,135,10.3,150,8.48,174.8,7.591243

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.15	5.5	5.99	6.2	6.01	5.71	5.07	4.31
8	6.11	6.35	6.74	6.92	6.84	6.67	6.24	5.42
10	6.61	6.79	7	7.3	7.31	7.2	6.92	6.34
12	6.77	6.98	7.21	7.54	7.81	7.74	7.41	6.87
14	6.84	7.05	7.42	7.76	8.29	8.3	7.97	7.22
16	6.85	7.08	7.52	7.92	8.67	8.73	8.59	7.59
20	6.93	7.19	7.58	8.22	9.22	9.84	10.3	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.38	144.3°	3.73
8	41.4°	4.1	147.9°	4.7
10	40°	4.57	149.3°	5.49
12	39.3°	4.73	150.7°	5.95
14	39°	4.77	170°	6.34
16	39.6°	4.81	175.7°	6.82
20	40.8°	4.8	174.8°	7.56

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