Ithaca — ORC Rating | RegattaPages

GPH

601.8

OSN

585.1

LOA

12.24 m

Displacement

8892 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6677

Medium

0.9082

High

1.0463

Triple Offshore

Low

0.8662

Medium

1.1289

High

1.2612

Boat Specifications

Dimensions

Length overall: 12.24 m
Beam: 3.86 m
Draft: 2 m
Displacement: 8892 kg
Crew weight: 550 kg
Wetted surface: 36.49 m²

Sails

Mainsail: 51.73 m²
Genoa: 40.04 m²
Spinnaker: 127.44 m²
Asymmetric spinnaker: 115.88 m²

Design

Type: First 40
Builder: Beneteau
Designer: Farr Yacht Design
Year built: 2009

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.

6,43.9,4.746367,52,5.3,60,5.65,75,5.94,90,5.91,110,5.98,120,5.81,135,5.26,144,4.758862,150,4.44
8,42.4,5.646922,52,6.32,60,6.67,75,6.97,90,7.1,110,7.23,120,7.06,135,6.49,148,5.707223,150,5.59
10,42,6.33793,52,7.08,60,7.37,75,7.58,90,7.72,110,7.87,120,7.8,135,7.45,150,6.616434
12,41.6,6.726415,52,7.45,60,7.69,75,7.9,90,7.95,110,8.25,120,8.22,135,7.96,150,7.43,155,7.171956
14,41.2,6.871209,52,7.58,60,7.84,75,8.11,90,8.21,110,8.53,120,8.62,135,8.36,150,7.93,167,7.317548
16,41.1,6.927088,52,7.64,60,7.9,75,8.25,90,8.44,110,8.75,120,9.03,135,8.8,150,8.31,180,7.71
20,40.9,7.051631,52,7.74,60,7.96,75,8.36,90,8.85,110,9.12,120,9.55,135,9.82,150,9.17,180,8.47

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.3	5.65	5.94	5.91	5.98	5.81	5.26	4.44
8	6.32	6.67	6.97	7.1	7.23	7.06	6.49	5.59
10	7.08	7.37	7.58	7.72	7.87	7.8	7.45	6.61
12	7.45	7.69	7.9	7.95	8.25	8.22	7.96	7.43
14	7.58	7.84	8.11	8.21	8.53	8.62	8.36	7.93
16	7.64	7.9	8.25	8.44	8.75	9.03	8.8	8.31
20	7.74	7.96	8.36	8.85	9.12	9.55	9.82	9.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.42	144°	3.85
8	42.4°	4.17	148°	4.84
10	42°	4.71	150°	5.73
12	41.6°	5.03	155°	6.5
14	41.2°	5.17	167°	7.13
16	41.1°	5.22	180°	7.71
20	40.9°	5.33	180°	8.47

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