Leroy Brown — ORC Rating

GPH

527.2

OSN

513.8

LOA

12.415 m

Displacement

4970 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8796

Medium

1.1603

High

1.3374

Triple Offshore

Low

1.1365

Medium

1.4312

High

1.6311

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.6 m
Displacement: 4970 kg
Crew weight: 777 kg
Wetted surface: 29.39 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

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.

6,43,5.578696,52,6.27,60,6.71,75,7.12,90,7.13,110,6.91,120,6.69,135,6.04,143.3,5.500292,150,5.09
8,42.3,6.746607,52,7.46,60,7.73,75,7.95,90,7.96,110,8.01,120,7.91,135,7.46,143,6.936832,150,6.4
10,39.5,7.127819,52,7.87,60,8.13,75,8.47,90,8.53,110,8.55,120,8.65,135,8.19,150,7.44,150.4,7.406599
12,37.8,7.277053,52,8.06,60,8.36,75,8.89,90,9.16,110,9.01,120,9.25,135,8.92,150,8.14,157.4,7.766379
14,36.8,7.368264,52,8.18,60,8.52,75,9.15,90,9.69,110,9.48,120,9.73,135,9.79,150,8.79,172.6,7.815091
16,36,7.465851,52,8.32,60,8.65,75,9.31,90,10.04,110,9.99,120,10.27,135,10.87,150,9.55,180,8.32
20,36.2,7.54684,52,8.5,60,8.95,75,9.66,90,10.42,110,11.52,120,11.6,135,12.4,142.4,12.79835,150,11.71

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.27	6.71	7.12	7.13	6.91	6.69	6.04	5.09
8	7.46	7.73	7.95	7.96	8.01	7.91	7.46	6.4
10	7.87	8.13	8.47	8.53	8.55	8.65	8.19	7.44
12	8.06	8.36	8.89	9.16	9.01	9.25	8.92	8.14
14	8.18	8.52	9.15	9.69	9.48	9.73	9.79	8.79
16	8.32	8.65	9.31	10.04	9.99	10.27	10.87	9.55
20	8.5	8.95	9.66	10.42	11.52	11.6	12.4	11.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.08	143.3°	4.41
8	42.3°	4.99	143°	5.54
10	39.5°	5.5	150.4°	6.44
12	37.8°	5.75	157.4°	7.17
14	36.8°	5.9	172.6°	7.75
16	36°	6.04	180°	8.32
20	36.2°	6.09	142.4°	10.14

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