Leroy Brown — ORC Rating

GPH

525.8

OSN

512.2

LOA

12.415 m

Displacement

4970 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7973

Medium

1.0372

High

1.1902

Triple Offshore

Low

1.0228

Medium

1.2717

High

1.4375

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.6 m
Displacement: 4970 kg
Crew weight: 785 kg
Wetted surface: 29.52 m²

Sails

Mainsail: 64.34 m²
Genoa: 40.11 m²
Spinnaker: 159.26 m²
Asymmetric spinnaker: 0 m²

Design

Type: Farr 40 one design
Builder: Mconaghy
Designer: Farr
Year built: 1997
Stability index: 127.2

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.

6,43,5.770122,52,6.44,60,6.83,75,7.13,90,7.09,110,6.89,120,6.71,135,6.08,143,5.559482,150,5.12
8,40.8,6.776795,52,7.52,60,7.75,75,7.91,90,7.91,110,7.98,120,7.92,135,7.51,143.3,6.972025,150,6.46
10,38.2,7.04963,52,7.85,60,8.09,75,8.38,90,8.43,110,8.52,120,8.63,135,8.25,150,7.51,150.5,7.479701
12,37.6,7.232204,52,8,60,8.27,75,8.74,90,8.99,110,8.94,120,9.25,135,9.02,150,8.21,157.4,7.831369
14,36.9,7.340393,52,8.09,60,8.39,75,8.95,90,9.44,110,9.33,120,9.73,135,9.9,150,8.91,162.2,8.202667
16,36.3,7.444831,52,8.23,60,8.52,75,9.1,90,9.75,110,9.8,120,10.22,135,10.93,150,9.7,155.9,9.245929
20,36.4,7.491672,52,8.37,60,8.77,75,9.44,90,10.13,110,11.17,120,11.18,135,12.5,144.7,12.644927,150,11.92

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.44	6.83	7.13	7.09	6.89	6.71	6.08	5.12
8	7.52	7.75	7.91	7.91	7.98	7.92	7.51	6.46
10	7.85	8.09	8.38	8.43	8.52	8.63	8.25	7.51
12	8	8.27	8.74	8.99	8.94	9.25	9.02	8.21
14	8.09	8.39	8.95	9.44	9.33	9.73	9.9	8.91
16	8.23	8.52	9.1	9.75	9.8	10.22	10.93	9.7
20	8.37	8.77	9.44	10.13	11.17	11.18	12.5	11.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.22	143°	4.44
8	40.8°	5.13	143.3°	5.59
10	38.2°	5.54	150.5°	6.51
12	37.6°	5.73	157.4°	7.23
14	36.9°	5.87	162.2°	7.81
16	36.3°	6	155.9°	8.44
20	36.4°	6.03	144.7°	10.32

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