CHOSI VI — ORC Rating

GPH

616.7

OSN

599.4

LOA

10.82 m

Displacement

4497 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6713

Medium

0.8988

High

1.0224

Triple Offshore

Low

0.8618

Medium

1.0928

High

1.2127

Boat Specifications

Dimensions

Length overall: 10.82 m
Beam: 3.65 m
Draft: 2.11 m
Displacement: 4497 kg
Crew weight: 560 kg
Wetted surface: 24.72 m²

Sails

Mainsail: 32.63 m²
Genoa: 47.84 m²
Spinnaker: 93.65 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-35
Builder: J-BOATS
Designer: JOHNSTONE
Year built: 1983
Stability index: 109.6

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.

6,42.4,4.956292,52,5.54,60,5.84,75,6.07,90,5.98,110,5.61,120,5.46,135,4.96,145.1,4.42601,150,4.2
8,41.2,5.861128,52,6.51,60,6.71,75,6.84,90,6.82,110,6.74,120,6.62,135,6.12,149.3,5.338126,150,5.3
10,39.3,6.344979,52,6.94,60,7.09,75,7.2,90,7.22,110,7.28,120,7.21,135,6.92,150,6.27,151.1,6.213844
12,38.1,6.493548,52,7.11,60,7.28,75,7.47,90,7.53,110,7.68,120,7.65,135,7.37,150,6.96,157.9,6.637679
14,37.2,6.553426,52,7.19,60,7.38,75,7.68,90,7.83,110,8.05,120,8.11,135,7.82,150,7.37,171.2,6.800048
16,37,6.598755,52,7.24,60,7.45,75,7.81,90,8.09,110,8.28,120,8.52,135,8.29,150,7.79,177.2,7.17857
20,36.6,6.639118,52,7.28,60,7.51,75,7.96,90,8.43,110,8.67,120,9.1,135,9.36,150,8.7,177.2,7.959503

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.54	5.84	6.07	5.98	5.61	5.46	4.96	4.2
8	6.51	6.71	6.84	6.82	6.74	6.62	6.12	5.3
10	6.94	7.09	7.2	7.22	7.28	7.21	6.92	6.27
12	7.11	7.28	7.47	7.53	7.68	7.65	7.37	6.96
14	7.19	7.38	7.68	7.83	8.05	8.11	7.82	7.37
16	7.24	7.45	7.81	8.09	8.28	8.52	8.29	7.79
20	7.28	7.51	7.96	8.43	8.67	9.1	9.36	8.7

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.66	145.1°	3.63
8	41.2°	4.41	149.3°	4.59
10	39.3°	4.91	151.1°	5.44
12	38.1°	5.11	157.9°	6.15
14	37.2°	5.22	171.2°	6.72
16	37°	5.27	177.2°	7.17
20	36.6°	5.33	177.2°	7.95

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