AFRICANA — ORC Rating

GPH

547.1

OSN

533

LOA

11.362 m

Displacement

4131 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8527

Medium

1.1197

High

1.2828

Triple Offshore

Low

1.0978

Medium

1.3794

High

1.5611

Boat Specifications

Dimensions

Length overall: 11.362 m
Beam: 3.4 m
Draft: 2.65 m
Displacement: 4131 kg
Crew weight: 730 kg
Wetted surface: 26.6 m²

Sails

Mainsail: 50.28 m²
Genoa: 34.12 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 139.73 m²

Design

Type: X-TREME 37 MOD
Builder: G FORCE
Designer: Reichel/Pugh
Year built: 2004

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.

6,42,5.4229,52,6.1,60,6.45,75,6.76,90,6.68,110,6.72,120,6.54,135,5.8,142.4,5.301092,150,4.85
8,40.8,6.459752,52,7.21,60,7.43,75,7.59,90,7.56,110,7.74,120,7.67,135,7.24,144.1,6.530528,150,6.11
10,38.3,6.868199,52,7.63,60,7.83,75,8.04,90,8.02,110,8.33,120,8.35,135,7.94,149.4,7.226323,150,7.18
12,37.4,7.036628,52,7.79,60,8.03,75,8.44,90,8.54,110,8.73,120,9.07,135,8.65,150,7.88,151.9,7.731314
14,36.9,7.115305,52,7.88,60,8.16,75,8.7,90,9.05,110,9.15,120,9.58,135,9.52,148.4,8.54734,150,8.41
16,36.1,7.190684,52,7.95,60,8.24,75,8.86,90,9.46,110,9.57,120,9.99,135,10.58,145.7,9.575132,150,9.13
20,36.4,7.292888,52,8.11,60,8.49,75,9.08,90,9.88,110,10.64,120,11.11,135,12.45,143,12.283451,150,11.33

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.1	6.45	6.76	6.68	6.72	6.54	5.8	4.85
8	7.21	7.43	7.59	7.56	7.74	7.67	7.24	6.11
10	7.63	7.83	8.04	8.02	8.33	8.35	7.94	7.18
12	7.79	8.03	8.44	8.54	8.73	9.07	8.65	7.88
14	7.88	8.16	8.7	9.05	9.15	9.58	9.52	8.41
16	7.95	8.24	8.86	9.46	9.57	9.99	10.58	9.13
20	8.11	8.49	9.08	9.88	10.64	11.11	12.45	11.33

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	4.03	142.4°	4.2
8	40.8°	4.89	144.1°	5.29
10	38.3°	5.39	149.4°	6.22
12	37.4°	5.59	151.9°	6.82
14	36.9°	5.69	148.4°	7.28
16	36.1°	5.81	145.7°	7.91
20	36.4°	5.87	143°	9.81

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