SOLUTION — ORC Rating

GPH

520.4

OSN

509.4

LOA

12.415 m

Displacement

4966 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8138

Medium

1.0398

High

1.1863

Triple Offshore

Low

1.0422

Medium

1.2791

High

1.4408

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.59 m
Displacement: 4966 kg
Crew weight: 839 kg
Wetted surface: 29.77 m²

Sails

Mainsail: 64.85 m²
Genoa: 43.23 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 181.16 m²

Design

Type: FARR 40 OD
Builder: CARROLL
Designer: FARR
Year built: 1997
Stability index: 127

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.

6,42.3,5.975952,52,6.65,60,6.97,75,7.19,90,7.33,110,7.12,120,6.82,135,6.14,142.6,5.626785,150,5.17
8,39.4,6.755239,52,7.54,60,7.77,75,7.93,90,8.1,110,8.05,120,7.96,135,7.57,145.6,6.811184,150,6.5
10,37.6,7.030257,52,7.86,60,8.1,75,8.37,90,8.54,110,8.71,120,8.67,135,8.36,150,7.55,150.1,7.544151
12,37,7.19978,52,8.03,60,8.29,75,8.67,90,8.89,110,9.32,120,9.27,135,9.13,150,8.31,151.8,8.181064
14,36.6,7.299293,52,8.14,60,8.42,75,8.88,90,9.27,110,9.88,120,9.96,135,10.02,149.2,9.045824,150,8.97
16,36.4,7.355008,52,8.22,60,8.53,75,9.04,90,9.56,110,10.35,120,10.75,135,11.03,146.2,10.216797,150,9.8
20,36.9,7.427928,52,8.3,60,8.65,75,9.26,90,10,110,11.26,120,12.17,135,12.86,144.9,12.882728,150,12.18

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.65	6.97	7.19	7.33	7.12	6.82	6.14	5.17
8	7.54	7.77	7.93	8.1	8.05	7.96	7.57	6.5
10	7.86	8.1	8.37	8.54	8.71	8.67	8.36	7.55
12	8.03	8.29	8.67	8.89	9.32	9.27	9.13	8.31
14	8.14	8.42	8.88	9.27	9.88	9.96	10.02	8.97
16	8.22	8.53	9.04	9.56	10.35	10.75	11.03	9.8
20	8.3	8.65	9.26	10	11.26	12.17	12.86	12.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	4.42	142.6°	4.47
8	39.4°	5.22	145.6°	5.62
10	37.6°	5.57	150.1°	6.54
12	37°	5.75	151.8°	7.21
14	36.6°	5.86	149.2°	7.77
16	36.4°	5.92	146.2°	8.49
20	36.9°	5.94	144.9°	10.54

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