Zephyr Insurance Masters — ORC Rating

GPH

594.3

OSN

575.9

LOA

12.63 m

Displacement

7428 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6845

Medium

0.9313

High

1.0789

Triple Offshore

Low

0.8808

Medium

1.1405

High

1.2766

Boat Specifications

Dimensions

Length overall: 12.63 m
Beam: 3.83 m
Draft: 2.67 m
Displacement: 7428 kg
Crew weight: 738 kg
Wetted surface: 32.81 m²

Sails

Mainsail: 49.74 m²
Genoa: 42.42 m²
Spinnaker: 101.3 m²
Asymmetric spinnaker: 103.67 m²

Design

Type: Farr 41 MX
Builder: MC DELL MARINE
Designer: Bruce Farr
Year built: 1995
Stability index: 120.4

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.

6,41.8,5.030343,52,5.64,60,5.91,75,6.09,90,5.94,110,5.89,120,5.69,135,5.08,139.4,4.833582,150,4.24
8,40,5.926549,52,6.64,60,6.86,75,7.01,90,6.99,110,7.06,120,6.89,135,6.3,146.9,5.562726,150,5.38
10,38.4,6.494886,52,7.23,60,7.4,75,7.52,90,7.6,110,7.71,120,7.61,135,7.2,148.7,6.460229,150,6.37
12,37,6.761533,52,7.52,60,7.69,75,7.84,90,7.93,110,8.12,120,8.07,135,7.77,150,7.19,155.9,6.890627
14,36.4,6.89532,52,7.66,60,7.84,75,8.06,90,8.14,110,8.46,120,8.46,135,8.19,150,7.71,165.5,7.157999
16,36.4,6.994712,52,7.74,60,7.93,75,8.21,90,8.37,110,8.76,120,8.84,135,8.59,150,8.11,176.6,7.493189
20,36.3,7.084998,52,7.83,60,8.04,75,8.39,90,8.72,110,9.16,120,9.57,135,9.46,150,8.89,179,8.261258

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.64	5.91	6.09	5.94	5.89	5.69	5.08	4.24
8	6.64	6.86	7.01	6.99	7.06	6.89	6.3	5.38
10	7.23	7.4	7.52	7.6	7.71	7.61	7.2	6.37
12	7.52	7.69	7.84	7.93	8.12	8.07	7.77	7.19
14	7.66	7.84	8.06	8.14	8.46	8.46	8.19	7.71
16	7.74	7.93	8.21	8.37	8.76	8.84	8.59	8.11
20	7.83	8.04	8.39	8.72	9.16	9.57	9.46	8.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.75	139.4°	3.67
8	40°	4.54	146.9°	4.66
10	38.4°	5.09	148.7°	5.52
12	37°	5.4	155.9°	6.29
14	36.4°	5.55	165.5°	6.93
16	36.4°	5.63	176.6°	7.48
20	36.3°	5.71	179°	8.26

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