OVERWIND — ORC Rating

GPH

530.3

OSN

517.1

LOA

12.415 m

Displacement

4954 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7845

Medium

1.025

High

1.1786

Triple Offshore

Low

1.0111

Medium

1.2625

High

1.4279

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.59 m
Displacement: 4954 kg
Crew weight: 730 kg
Wetted surface: 29.47 m²

Sails

Mainsail: 64.67 m²
Genoa: 41.19 m²
Spinnaker: 150.63 m²
Asymmetric spinnaker: 0 m²

Design

Type: Farr 40
Builder: Carroll Marine
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.

6,43,5.770122,52,6.43,60,6.82,75,7.12,90,7.07,110,6.8,120,6.61,135,5.93,142.4,5.43993,150,4.98
8,41.1,6.767845,52,7.5,60,7.74,75,7.91,90,7.91,110,7.94,120,7.86,135,7.4,140.4,7.034272,150,6.26
10,38.4,7.01805,52,7.82,60,8.05,75,8.37,90,8.44,110,8.55,120,8.58,135,8.17,148.2,7.483298,150,7.34
12,37.8,7.188463,52,7.97,60,8.23,75,8.69,90,8.98,110,8.98,120,9.29,135,8.92,150,8.13,156.5,7.785749
14,37,7.299951,52,8.06,60,8.35,75,8.9,90,9.41,110,9.38,120,9.79,135,9.78,150,8.81,164,8.051918
16,36.6,7.423854,52,8.21,60,8.49,75,9.04,90,9.69,110,9.82,120,10.28,135,10.8,150,9.57,156.8,9.073745
20,36.7,7.470918,52,8.33,60,8.73,75,9.41,90,10.04,110,11.13,120,11.26,135,12.59,144.2,12.428122,150,11.64

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.43	6.82	7.12	7.07	6.8	6.61	5.93	4.98
8	7.5	7.74	7.91	7.91	7.94	7.86	7.4	6.26
10	7.82	8.05	8.37	8.44	8.55	8.58	8.17	7.34
12	7.97	8.23	8.69	8.98	8.98	9.29	8.92	8.13
14	8.06	8.35	8.9	9.41	9.38	9.79	9.78	8.81
16	8.21	8.49	9.04	9.69	9.82	10.28	10.8	9.57
20	8.33	8.73	9.41	10.04	11.13	11.26	12.59	11.64

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.22	142.4°	4.31
8	41.1°	5.1	140.4°	5.42
10	38.4°	5.5	148.2°	6.36
12	37.8°	5.68	156.5°	7.14
14	37°	5.83	164°	7.74
16	36.6°	5.96	156.8°	8.34
20	36.7°	5.99	144.2°	10.08

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