Chinook — ORC Rating | RegattaPages

GPH

596.7

OSN

578.5

LOA

12.394 m

Displacement

5547 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6717

Medium

0.9201

High

1.0626

Triple Offshore

Low

0.8696

Medium

1.1396

High

1.2869

Boat Specifications

Dimensions

Length overall: 12.394 m
Beam: 3.71 m
Draft: 1.97 m
Displacement: 5547 kg
Crew weight: 430 kg
Wetted surface: 29.19 m²

Sails

Mainsail: 41.17 m²
Genoa: 34.07 m²
Spinnaker: 86.05 m²
Asymmetric spinnaker: 87.88 m²

Design

Type: Farr 38 MOD
Builder: Farr
Designer: Farr
Year built: 1978

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.

6,44.2,4.965752,52,5.48,60,5.8,75,6.03,90,5.91,110,5.88,120,5.69,135,5.07,142.4,4.657388,150,4.26
8,41.8,5.862026,52,6.54,60,6.82,75,7.03,90,7,110,7.11,120,6.96,135,6.36,146.2,5.68001,150,5.45
10,40.1,6.45818,52,7.19,60,7.42,75,7.59,90,7.65,110,7.82,120,7.73,135,7.33,148,6.626983,150,6.49
12,39.1,6.739288,52,7.5,60,7.72,75,7.93,90,7.98,110,8.3,120,8.26,135,7.94,150,7.27,154.7,7.012634
14,38.6,6.858426,52,7.64,60,7.88,75,8.18,90,8.31,110,8.71,120,8.77,135,8.45,150,7.85,161.9,7.353902
16,38.4,6.92873,52,7.72,60,7.97,75,8.35,90,8.61,110,9.09,120,9.3,135,9,150,8.32,174.5,7.594966
20,38.5,7.015005,52,7.8,60,8.07,75,8.55,90,9.06,110,9.75,120,10.37,135,10.42,150,9.37,177.4,8.488739
24,39.4,7.027002,52,7.8,60,8.1,75,8.67,90,9.34,110,10.22,120,11.38,135,12.31,150,10.82,172.1,9.560737

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.48	5.8	6.03	5.91	5.88	5.69	5.07	4.26
8	6.54	6.82	7.03	7	7.11	6.96	6.36	5.45
10	7.19	7.42	7.59	7.65	7.82	7.73	7.33	6.49
12	7.5	7.72	7.93	7.98	8.3	8.26	7.94	7.27
14	7.64	7.88	8.18	8.31	8.71	8.77	8.45	7.85
16	7.72	7.97	8.35	8.61	9.09	9.3	9	8.32
20	7.8	8.07	8.55	9.06	9.75	10.37	10.42	9.37
24	7.8	8.1	8.67	9.34	10.22	11.38	12.31	10.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.56	142.4°	3.69
8	41.8°	4.37	146.2°	4.72
10	40.1°	4.94	148°	5.62
12	39.1°	5.23	154.7°	6.34
14	38.6°	5.36	161.9°	6.99
16	38.4°	5.43	174.5°	7.56
20	38.5°	5.49	177.4°	8.48
24	39.4°	5.43	172.1°	9.47

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