MARY BRYANT — ORC Rating

GPH

794.4

OSN

770

LOA

6.6 m

Displacement

1514 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5127

Medium

0.6999

High

0.8033

Triple Offshore

Low

0.659

Medium

0.8527

High

0.9557

Boat Specifications

Dimensions

Length overall: 6.6 m
Beam: 2.5 m
Draft: 1.29 m
Displacement: 1514 kg
Crew weight: 337 kg
Wetted surface: 12.1 m²

Sails

Mainsail: 12.7 m²
Genoa: 14.51 m²
Spinnaker: 31.19 m²
Asymmetric spinnaker: 0 m²

Design

Type: Waarschip 660x1.25
Builder: 't Waar
Designer: K Kremer
Year built: 1984

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.

6,43.1,3.656721,52,4.09,60,4.32,75,4.48,90,4.45,110,4.51,120,4.36,135,3.9,149,3.418236,150,3.38
8,41.2,4.226392,52,4.84,60,5.08,75,5.22,90,5.33,110,5.37,120,5.26,135,4.8,150,4.25,154,4.105501
10,41.8,4.815715,52,5.3,60,5.46,75,5.58,90,5.73,110,5.78,120,5.7,135,5.48,150,5.03,155,4.832795
12,39.8,5.089267,52,5.54,60,5.67,75,5.8,90,6.01,110,6.1,120,6.02,135,5.81,150,5.55,174,5.067762
14,39,5.224244,52,5.69,60,5.83,75,5.99,90,6.21,110,6.44,120,6.36,135,6.12,150,5.84,180,5.51
16,38.6,5.246184,52,5.74,60,5.92,75,6.18,90,6.33,110,6.75,120,6.69,135,6.46,150,6.13,180,5.8
20,39.8,5.258475,52,5.75,60,5.96,75,6.37,90,6.67,110,7.14,120,7.33,135,7.1,150,6.75,180,6.37

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.09	4.32	4.48	4.45	4.51	4.36	3.9	3.38
8	4.84	5.08	5.22	5.33	5.37	5.26	4.8	4.25
10	5.3	5.46	5.58	5.73	5.78	5.7	5.48	5.03
12	5.54	5.67	5.8	6.01	6.1	6.02	5.81	5.55
14	5.69	5.83	5.99	6.21	6.44	6.36	6.12	5.84
16	5.74	5.92	6.18	6.33	6.75	6.69	6.46	6.13
20	5.75	5.96	6.37	6.67	7.14	7.33	7.1	6.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	2.67	149°	2.93
8	41.2°	3.18	154°	3.69
10	41.8°	3.59	155°	4.38
12	39.8°	3.91	174°	5.04
14	39°	4.06	180°	5.51
16	38.6°	4.1	180°	5.8
20	39.8°	4.04	180°	6.37

Loading polar chart…