SIDERACORDIS — ORC Rating

GPH

568.7

OSN

553.3

LOA

12.35 m

Displacement

6915 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7213

Medium

0.9672

High

1.1037

Triple Offshore

Low

0.9296

Medium

1.1872

High

1.3237

Boat Specifications

Dimensions

Length overall: 12.35 m
Beam: 3.65 m
Draft: 2.5 m
Displacement: 6915 kg
Crew weight: 865 kg
Wetted surface: 32.57 m²

Sails

Mainsail: 53.93 m²
Genoa: 45.77 m²
Spinnaker: 130.5 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-41
Builder: X-Yachts
Designer: Jeppesen
Year built: 2006

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.

6,42.8,5.233534,52,5.84,60,6.17,75,6.45,90,6.39,110,6.21,120,6.05,135,5.47,143,5.008543,150,4.62
8,41.2,6.193391,52,6.95,60,7.22,75,7.41,90,7.4,110,7.45,120,7.32,135,6.76,147,5.985664,150,5.8
10,39.8,6.807383,52,7.54,60,7.73,75,7.88,90,7.89,110,8.06,120,7.98,135,7.65,150,6.847374
12,38.4,6.95425,52,7.73,60,7.94,75,8.18,90,8.24,110,8.48,120,8.49,135,8.15,150,7.63,156,7.323117
14,37.9,7.033471,52,7.82,60,8.04,75,8.39,90,8.58,110,8.77,120,9.03,135,8.67,150,8.1,170,7.422769
16,37.9,7.134854,52,7.86,60,8.09,75,8.51,90,8.9,110,9.06,120,9.43,135,9.25,150,8.58,180,7.85
20,38.2,7.278679,52,8,60,8.24,75,8.62,90,9.25,110,9.54,120,10.07,135,10.7,150,9.68,180,8.75

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.84	6.17	6.45	6.39	6.21	6.05	5.47	4.62
8	6.95	7.22	7.41	7.4	7.45	7.32	6.76	5.8
10	7.54	7.73	7.88	7.89	8.06	7.98	7.65	6.85
12	7.73	7.94	8.18	8.24	8.48	8.49	8.15	7.63
14	7.82	8.04	8.39	8.58	8.77	9.03	8.67	8.1
16	7.86	8.09	8.51	8.9	9.06	9.43	9.25	8.58
20	8	8.24	8.62	9.25	9.54	10.07	10.7	9.68

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.84	143°	4
8	41.2°	4.66	147°	5.02
10	39.8°	5.23	150°	5.93
12	38.4°	5.45	156°	6.69
14	37.9°	5.55	170°	7.31
16	37.9°	5.63	180°	7.85
20	38.2°	5.72	180°	8.75

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