LA MARIA — ORC Rating

GPH

619.4

OSN

602.8

LOA

10.757 m

Displacement

4958 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.744

Medium

1.0003

High

1.1397

Triple Offshore

Low

0.9596

Medium

1.2271

High

1.3623

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.13 m
Displacement: 4958 kg
Crew weight: 500 kg
Wetted surface: 26.03 m²

Sails

Mainsail: 36.8 m²
Genoa: 41.47 m²
Spinnaker: 85.04 m²
Asymmetric spinnaker: 0 m²

Design

Type: J 109
Builder: J BOATS
Designer: JOHNSTONE
Year built: 2002

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.

6,42.8,4.865551,52,5.43,60,5.73,75,5.99,90,5.94,110,5.63,120,5.47,135,4.94,145,4.406996,150,4.17
8,41.2,5.728222,52,6.43,60,6.68,75,6.86,90,6.86,110,6.78,120,6.64,135,6.1,149,5.319848,150,5.26
10,40.1,6.301301,52,6.96,60,7.13,75,7.27,90,7.3,110,7.37,120,7.29,135,6.96,150,6.23,151,6.174112
12,39,6.472401,52,7.14,60,7.33,75,7.52,90,7.6,110,7.77,120,7.72,135,7.44,150,6.98,157,6.659389
14,38.4,6.533167,52,7.22,60,7.42,75,7.71,90,7.88,110,8.14,120,8.17,135,7.85,150,7.42,174,6.797236
16,38.6,6.602514,52,7.26,60,7.46,75,7.82,90,8.14,110,8.37,120,8.6,135,8.31,150,7.81,180,7.26
20,38.8,6.659498,52,7.29,60,7.49,75,7.92,90,8.46,110,8.77,120,9.21,135,9.35,150,8.68,180,8.01

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.43	5.73	5.99	5.94	5.63	5.47	4.94	4.17
8	6.43	6.68	6.86	6.86	6.78	6.64	6.1	5.26
10	6.96	7.13	7.27	7.3	7.37	7.29	6.96	6.23
12	7.14	7.33	7.52	7.6	7.77	7.72	7.44	6.98
14	7.22	7.42	7.71	7.88	8.14	8.17	7.85	7.42
16	7.26	7.46	7.82	8.14	8.37	8.6	8.31	7.81
20	7.29	7.49	7.92	8.46	8.77	9.21	9.35	8.68

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.57	145°	3.61
8	41.2°	4.31	149°	4.56
10	40.1°	4.82	151°	5.4
12	39°	5.03	157°	6.13
14	38.4°	5.12	174°	6.76
16	38.6°	5.16	180°	7.26
20	38.8°	5.19	180°	8.01

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