PERVERSION — ORC Rating

GPH

547.4

OSN

535.2

LOA

12.45 m

Displacement

5755 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7531

Medium

0.9953

High

1.1341

Triple Offshore

Low

0.9773

Medium

1.2262

High

1.3728

Boat Specifications

Dimensions

Length overall: 12.45 m
Beam: 3.75 m
Draft: 2.77 m
Displacement: 5755 kg
Crew weight: 980 kg
Wetted surface: 30.66 m²

Sails

Mainsail: 50.02 m²
Genoa: 66.43 m²
Spinnaker: 122.6 m²
Asymmetric spinnaker: 115.78 m²

Design

Type: BASHFORD 41
Builder: BASHFORD
Designer: MURRAY & ASSOC.
Year built: 1994

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.

6,42.8,5.751436,52,6.42,60,6.79,75,7.07,90,7.02,110,6.63,120,6.24,135,5.43,143,4.970979,150,4.58
8,40.9,6.734109,52,7.47,60,7.68,75,7.83,90,7.84,110,7.72,120,7.47,135,6.78,146,6.043152,150,5.79
10,38.8,7.044441,52,7.79,60,7.99,75,8.23,90,8.32,110,8.27,120,8.08,135,7.72,149,6.953135,150,6.88
12,37.5,7.172088,52,7.93,60,8.15,75,8.5,90,8.7,110,8.84,120,8.67,135,8.26,150,7.69,155.2,7.413711
14,37.1,7.259424,52,8.01,60,8.25,75,8.67,90,9.07,110,9.4,120,9.28,135,8.85,150,8.2,167,7.543335
16,36.8,7.280844,52,8.05,60,8.31,75,8.78,90,9.29,110,9.88,120,9.87,135,9.5,150,8.73,180,7.92
20,36.4,7.404704,52,8.21,60,8.48,75,8.93,90,9.55,110,10.56,120,11.17,135,11.18,150,9.97,180,8.9

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.42	6.79	7.07	7.02	6.63	6.24	5.43	4.58
8	7.47	7.68	7.83	7.84	7.72	7.47	6.78	5.79
10	7.79	7.99	8.23	8.32	8.27	8.08	7.72	6.88
12	7.93	8.15	8.5	8.7	8.84	8.67	8.26	7.69
14	8.01	8.25	8.67	9.07	9.4	9.28	8.85	8.2
16	8.05	8.31	8.78	9.29	9.88	9.87	9.5	8.73
20	8.21	8.48	8.93	9.55	10.56	11.17	11.18	9.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	4.22	143°	3.97
8	40.9°	5.09	146°	5.01
10	38.8°	5.49	149°	5.96
12	37.5°	5.69	155.2°	6.73
14	37.1°	5.79	167°	7.35
16	36.8°	5.83	180°	7.92
20	36.4°	5.96	180°	8.9

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