MK III — ORC Rating | RegattaPages

GPH

664.9

OSN

647.1

LOA

10.7 m

Displacement

7529 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6939

Medium

0.9315

High

1.0704

Triple Offshore

Low

0.8913

Medium

1.1442

High

1.2704

Boat Specifications

Dimensions

Length overall: 10.7 m
Beam: 3.26 m
Draft: 1.97 m
Displacement: 7529 kg
Crew weight: 475 kg
Wetted surface: 28.08 m²

Sails

Mainsail: 37.64 m²
Genoa: 41.46 m²
Spinnaker: 102.08 m²
Asymmetric spinnaker: 100.58 m²

Design

Type: DRAC ONE TON
Builder: MARYOLA
Designer: ANDRE MAURIC
Year built: 1972

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.

6,42.4,4.401079,52,4.92,60,5.17,75,5.38,90,5.34,110,5.37,120,5.21,135,4.75,146,4.221763,150,4.04
8,40.9,5.12004,52,5.78,60,6.07,75,6.28,90,6.35,110,6.44,120,6.29,135,5.77,150,5.04,151,4.985024
10,41.2,5.768094,52,6.41,60,6.61,75,6.75,90,6.88,110,6.96,120,6.89,135,6.6,150,5.93,151,5.87684
12,40.9,6.125526,52,6.69,60,6.85,75,7,90,7.09,110,7.28,120,7.23,135,7.02,150,6.64,158,6.309428
14,40.1,6.222862,52,6.81,60,6.99,75,7.17,90,7.25,110,7.56,120,7.54,135,7.34,150,7.02,180,6.47
16,39.8,6.286742,52,6.88,60,7.06,75,7.31,90,7.44,110,7.76,120,7.86,135,7.67,150,7.31,180,6.9
20,39.4,6.28936,52,6.92,60,7.12,75,7.46,90,7.76,110,8.03,120,8.3,135,8.3,150,7.94,180,7.49

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.92	5.17	5.38	5.34	5.37	5.21	4.75	4.04
8	5.78	6.07	6.28	6.35	6.44	6.29	5.77	5.04
10	6.41	6.61	6.75	6.88	6.96	6.89	6.6	5.93
12	6.69	6.85	7	7.09	7.28	7.23	7.02	6.64
14	6.81	6.99	7.17	7.25	7.56	7.54	7.34	7.02
16	6.88	7.06	7.31	7.44	7.76	7.86	7.67	7.31
20	6.92	7.12	7.46	7.76	8.03	8.3	8.3	7.94

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.25	146°	3.5
8	40.9°	3.87	151°	4.36
10	41.2°	4.34	151°	5.14
12	40.9°	4.63	158°	5.85
14	40.1°	4.76	180°	6.47
16	39.8°	4.83	180°	6.9
20	39.4°	4.86	180°	7.49

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