Katahdin — ORC Rating

GPH

521.4

OSN

510.2

LOA

12.415 m

Displacement

5007 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8105

Medium

1.0371

High

1.1874

Triple Offshore

Low

1.0407

Medium

1.2772

High

1.4372

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.6 m
Displacement: 5007 kg
Crew weight: 783 kg
Wetted surface: 29.74 m²

Sails

Mainsail: 67.16 m²
Genoa: 40.77 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 193.25 m²

Design

Type: Farr 40
Builder: Carroll
Designer: Farr Yacht Design
Year built: 1997

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.

6,42.4,5.836507,52,6.55,60,6.94,75,7.24,90,7.21,110,7.15,120,6.97,135,6.24,142.5,5.70994,150,5.24
8,40.5,6.785849,52,7.56,60,7.79,75,7.98,90,7.99,110,8.11,120,8.08,135,7.72,144.5,6.98918,150,6.57
10,38.4,7.03081,52,7.85,60,8.09,75,8.42,90,8.51,110,8.58,120,8.79,135,8.44,150,7.632571
12,38.2,7.215054,52,7.98,60,8.25,75,8.72,90,9.04,110,9.02,120,9.32,135,9.27,150,8.41,152.5,8.184793
14,37.5,7.298135,52,8.06,60,8.35,75,8.92,90,9.45,110,9.45,120,9.8,135,10.21,149,9.13474,150,9.05
16,37.1,7.397341,52,8.19,60,8.48,75,9.04,90,9.71,110,9.94,120,10.36,135,11.18,146.2,10.313069,150,9.9
20,37.8,7.479545,52,8.28,60,8.67,75,9.38,90,10.01,110,11.15,120,11.46,135,12.69,144.6,13.188116,150,12.42

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.55	6.94	7.24	7.21	7.15	6.97	6.24	5.24
8	7.56	7.79	7.98	7.99	8.11	8.08	7.72	6.57
10	7.85	8.09	8.42	8.51	8.58	8.79	8.44	7.63
12	7.98	8.25	8.72	9.04	9.02	9.32	9.27	8.41
14	8.06	8.35	8.92	9.45	9.45	9.8	10.21	9.05
16	8.19	8.48	9.04	9.71	9.94	10.36	11.18	9.9
20	8.28	8.67	9.38	10.01	11.15	11.46	12.69	12.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.31	142.5°	4.53
8	40.5°	5.16	144.5°	5.69
10	38.4°	5.51	150°	6.61
12	38.2°	5.67	152.5°	7.26
14	37.5°	5.79	149°	7.83
16	37.1°	5.9	146.2°	8.57
20	37.8°	5.91	144.6°	10.75

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