Katahdin — ORC Rating

GPH

520.2

OSN

508.4

LOA

12.415 m

Displacement

5006 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8118

Medium

1.0427

High

1.2014

Triple Offshore

Low

1.0408

Medium

1.281

High

1.448

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.6 m
Displacement: 5006 kg
Crew weight: 777 kg
Wetted surface: 29.66 m²

Sails

Mainsail: 67.18 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
Stability index: 126.6

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.

6,43,5.852162,52,6.52,60,6.91,75,7.21,90,7.17,110,7.14,120,6.96,135,6.26,143,5.709739,150,5.27
8,40.8,6.803215,52,7.55,60,7.79,75,7.97,90,7.98,110,8.11,120,8.09,135,7.74,145.1,7.010897,150,6.64
10,38.7,7.060207,52,7.85,60,8.08,75,8.41,90,8.5,110,8.58,120,8.81,135,8.49,150,7.71,150.5,7.675023
12,38.2,7.215054,52,7.98,60,8.24,75,8.71,90,9.04,110,9.01,120,9.33,135,9.36,150,8.45,152,8.313064
14,37.6,7.333177,52,8.07,60,8.35,75,8.91,90,9.44,110,9.43,120,9.84,135,10.34,148.8,9.305977,150,9.19
16,37,7.412643,52,8.21,60,8.5,75,9.05,90,9.71,110,10.14,120,10.34,135,11.27,146.2,10.541713,150,10.12
20,37.5,7.499811,52,8.31,60,8.7,75,9.4,90,10.03,110,11.16,120,11.75,135,12.81,145.4,13.472859,150,12.81

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.52	6.91	7.21	7.17	7.14	6.96	6.26	5.27
8	7.55	7.79	7.97	7.98	8.11	8.09	7.74	6.64
10	7.85	8.08	8.41	8.5	8.58	8.81	8.49	7.71
12	7.98	8.24	8.71	9.04	9.01	9.33	9.36	8.45
14	8.07	8.35	8.91	9.44	9.43	9.84	10.34	9.19
16	8.21	8.5	9.05	9.71	10.14	10.34	11.27	10.12
20	8.31	8.7	9.4	10.03	11.16	11.75	12.81	12.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.28	143°	4.56
8	40.8°	5.15	145.1°	5.75
10	38.7°	5.51	150.5°	6.68
12	38.2°	5.67	152°	7.34
14	37.6°	5.81	148.8°	7.96
16	37°	5.92	146.2°	8.76
20	37.5°	5.95	145.4°	11.09

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