Leroy Brown — ORC Rating

GPH

525.6

OSN

513

LOA

12.415 m

Displacement

4970 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8092

Medium

1.0371

High

1.18

Triple Offshore

Low

1.032

Medium

1.2678

High

1.4212

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.59 m
Displacement: 4970 kg
Crew weight: 761 kg
Wetted surface: 29.62 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: 125.8

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.

6,42,5.93424,52,6.63,60,6.95,75,7.17,90,7.07,110,6.85,120,6.7,135,6.09,142.6,5.589021,150,5.12
8,39.3,6.732656,52,7.52,60,7.75,75,7.92,90,7.88,110,7.91,120,7.87,135,7.45,143.8,6.890054,150,6.42
10,37.2,6.992832,52,7.84,60,8.08,75,8.35,90,8.41,110,8.45,120,8.56,135,8.24,150,7.46,150.5,7.422253
12,37,7.19978,52,8.01,60,8.27,75,8.65,90,8.87,110,8.85,120,9.15,135,8.96,150,8.2,156.5,7.851176
14,36.4,7.280464,52,8.13,60,8.41,75,8.86,90,9.25,110,9.21,120,9.62,135,9.77,150,8.88,161,8.249441
16,36.4,7.355008,52,8.21,60,8.51,75,9.02,90,9.53,110,9.63,120,10.09,135,10.71,150,9.66,157.4,9.109518
20,36.4,7.379856,52,8.28,60,8.62,75,9.23,90,9.96,110,10.82,120,11.04,135,12.41,147.8,12.042168,150,11.77

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.63	6.95	7.17	7.07	6.85	6.7	6.09	5.12
8	7.52	7.75	7.92	7.88	7.91	7.87	7.45	6.42
10	7.84	8.08	8.35	8.41	8.45	8.56	8.24	7.46
12	8.01	8.27	8.65	8.87	8.85	9.15	8.96	8.2
14	8.13	8.41	8.86	9.25	9.21	9.62	9.77	8.88
16	8.21	8.51	9.02	9.53	9.63	10.09	10.71	9.66
20	8.28	8.62	9.23	9.96	10.82	11.04	12.41	11.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	4.41	142.6°	4.44
8	39.3°	5.21	143.8°	5.56
10	37.2°	5.57	150.5°	6.46
12	37°	5.75	156.5°	7.2
14	36.4°	5.86	161°	7.8
16	36.4°	5.92	157.4°	8.41
20	36.4°	5.94	147.8°	10.19

Loading polar chart…