MARGARET II — ORC Rating

GPH

579

OSN

561.6

LOA

12.244 m

Displacement

6710 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6996

Medium

0.9525

High

1.0779

Triple Offshore

Low

0.9049

Medium

1.1716

High

1.305

Boat Specifications

Dimensions

Length overall: 12.244 m
Beam: 3.67 m
Draft: 2.15 m
Displacement: 6710 kg
Crew weight: 650 kg
Wetted surface: 32.11 m²

Sails

Mainsail: 43.89 m²
Genoa: 45.76 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 143.93 m²

Design

Type: J 120
Builder: TPI
Designer: JOHNSTONE
Year built: 1994

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.

6,43.4,5.078625,52,5.65,60,5.96,75,6.16,90,6.23,110,6.24,120,6.03,135,5.33,143.3,4.826787,150,4.47
8,41.4,6.039106,52,6.72,60,6.98,75,7.14,90,7.32,110,7.39,120,7.24,135,6.67,146.7,5.898488,150,5.69
10,39.6,6.6579,52,7.36,60,7.55,75,7.68,90,7.82,110,7.99,120,7.92,135,7.59,147.8,6.925133,150,6.77
12,38.1,6.925604,52,7.66,60,7.84,75,8,90,8.05,110,8.4,120,8.41,135,8.16,150,7.55,150.1,7.544151
14,37.3,7.052404,52,7.8,60,8,75,8.24,90,8.33,110,8.75,120,8.85,135,8.67,149.9,7.9986,150,7.99
16,36.9,7.115305,52,7.89,60,8.1,75,8.41,90,8.59,110,9.05,120,9.29,135,9.19,150,8.34,170.8,7.364738
20,36.8,7.230889,52,7.98,60,8.22,75,8.62,90,9,110,9.58,120,10.23,135,10.52,150,9.09,175.3,8.137363
24,37.3,7.266113,52,8.02,60,8.27,75,8.76,90,9.29,110,9.91,120,11.26,135,12.89,140.3,12.685217,150,11.27

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.65	5.96	6.16	6.23	6.24	6.03	5.33	4.47
8	6.72	6.98	7.14	7.32	7.39	7.24	6.67	5.69
10	7.36	7.55	7.68	7.82	7.99	7.92	7.59	6.77
12	7.66	7.84	8	8.05	8.4	8.41	8.16	7.55
14	7.8	8	8.24	8.33	8.75	8.85	8.67	7.99
16	7.89	8.1	8.41	8.59	9.05	9.29	9.19	8.34
20	7.98	8.22	8.62	9	9.58	10.23	10.52	9.09
24	8.02	8.27	8.76	9.29	9.91	11.26	12.89	11.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.69	143.3°	3.87
8	41.4°	4.53	146.7°	4.93
10	39.6°	5.13	147.8°	5.86
12	38.1°	5.45	150.1°	6.54
14	37.3°	5.61	149.9°	6.92
16	36.9°	5.69	170.8°	7.27
20	36.8°	5.79	175.3°	8.11
24	37.3°	5.78	140.3°	9.76

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