KHAMSIN II — ORC Rating

GPH

588.1

OSN

574.7

LOA

11.924 m

Displacement

6922 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7732

Medium

1.0461

High

1.2058

Triple Offshore

Low

1.0115

Medium

1.2907

High

1.4402

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.41 m
Displacement: 6922 kg
Crew weight: 650 kg
Wetted surface: 31 m²

Sails

Mainsail: 46.08 m²
Genoa: 52.06 m²
Spinnaker: 102.87 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 40.7
Builder: BENETEAU
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.

6,42,5.059579,52,5.68,60,5.97,75,6.51,90,6.77,110,6.34,120,5.8,135,5.07,144.7,4.533549,150,4.28
8,40.9,6.006455,52,6.75,60,7.01,75,7.41,90,7.58,110,7.28,120,6.95,135,6.25,149.1,5.442479,150,5.4
10,39.8,6.638174,52,7.33,60,7.5,75,7.75,90,7.97,110,7.75,120,7.61,135,7.19,150,6.39,150.7,6.341239
12,38.2,6.82058,52,7.54,60,7.73,75,7.91,90,8.26,110,8.19,120,8.02,135,7.72,150,7.21,155.4,6.928893
14,37.9,6.944761,52,7.64,60,7.83,75,8.12,90,8.44,110,8.61,120,8.47,135,8.13,150,7.7,169.7,7.05367
16,37.5,7.008227,52,7.69,60,7.89,75,8.24,90,8.6,110,8.97,120,8.92,135,8.58,150,8.08,180,7.5
20,37.1,7.071356,52,7.75,60,7.94,75,8.37,90,8.89,110,9.51,120,9.75,135,9.57,150,8.93,180,8.26

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.68	5.97	6.51	6.77	6.34	5.8	5.07	4.28
8	6.75	7.01	7.41	7.58	7.28	6.95	6.25	5.4
10	7.33	7.5	7.75	7.97	7.75	7.61	7.19	6.39
12	7.54	7.73	7.91	8.26	8.19	8.02	7.72	7.21
14	7.64	7.83	8.12	8.44	8.61	8.47	8.13	7.7
16	7.69	7.89	8.24	8.6	8.97	8.92	8.58	8.08
20	7.75	7.94	8.37	8.89	9.51	9.75	9.57	8.93

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.76	144.7°	3.7
8	40.9°	4.54	149.1°	4.67
10	39.8°	5.1	150.7°	5.53
12	38.2°	5.36	155.4°	6.3
14	37.9°	5.48	169.7°	6.94
16	37.5°	5.56	180°	7.5
20	37.1°	5.64	180°	8.26

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