VAN DIEMEN 3 — ORC Rating

GPH

503.1

OSN

488.7

LOA

20.055 m

Displacement

20186 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8665

Medium

1.2071

High

1.4043

Triple Offshore

Low

1.139

Medium

1.532

High

1.742

Boat Specifications

Dimensions

Length overall: 20.055 m
Beam: 4.57 m
Draft: 2.47 m
Displacement: 20186 kg
Crew weight: 1463 kg
Wetted surface: 66.76 m²

Sails

Mainsail: 99.91 m²
Genoa: 96.45 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 277.22 m²

Design

Type: Muir 66
Builder: Dave Blair, NZ
Designer: Warren Muir
Year built: 2005

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.

6,45.8,5.651459,52,6.21,60,6.72,75,7.2,90,7.17,110,6.86,120,6.69,135,6.03,142.3,5.523092,150,5.05
8,44.8,6.905584,52,7.63,60,8.16,75,8.63,90,8.62,110,8.53,120,8.36,135,7.6,144.3,6.8589,150,6.44
10,43.6,7.760589,52,8.64,60,9.1,75,9.45,90,9.5,110,9.62,120,9.54,135,8.95,145.6,8.059497,150,7.68
12,42.8,8.177396,52,9.09,60,9.5,75,9.85,90,9.96,110,10.18,120,10.17,135,9.76,149.5,8.866924,150,8.82
14,42.2,8.409775,52,9.32,60,9.69,75,10.14,90,10.35,110,10.59,120,10.78,135,10.35,150,9.62,151.3,9.496707
16,41.7,8.544969,52,9.45,60,9.81,75,10.32,90,10.74,110,10.94,120,11.36,135,11.03,150,10.08,151.3,9.964132
20,41.7,8.893196,52,9.67,60,9.98,75,10.55,90,11.32,110,11.62,120,12.2,135,12.59,150,11.05,176.9,9.674156

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.21	6.72	7.2	7.17	6.86	6.69	6.03	5.05
8	7.63	8.16	8.63	8.62	8.53	8.36	7.6	6.44
10	8.64	9.1	9.45	9.5	9.62	9.54	8.95	7.68
12	9.09	9.5	9.85	9.96	10.18	10.17	9.76	8.82
14	9.32	9.69	10.14	10.35	10.59	10.78	10.35	9.62
16	9.45	9.81	10.32	10.74	10.94	11.36	11.03	10.08
20	9.67	9.98	10.55	11.32	11.62	12.2	12.59	11.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	3.94	142.3°	4.37
8	44.8°	4.9	144.3°	5.57
10	43.6°	5.62	145.6°	6.65
12	42.8°	6	149.5°	7.64
14	42.2°	6.23	151.3°	8.33
16	41.7°	6.38	151.3°	8.74
20	41.7°	6.64	176.9°	9.66

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