MISTER A — ORC Rating

GPH

466.7

OSN

453.4

LOA

20.3 m

Displacement

22710 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.9455

Medium

1.3133

High

1.5195

Triple Offshore

Low

1.2376

Medium

1.6482

High

1.8628

Boat Specifications

Dimensions

Length overall: 20.3 m
Beam: 4.98 m
Draft: 4.02 m
Displacement: 22710 kg
Crew weight: 1200 kg
Wetted surface: 73.94 m²

Sails

Mainsail: 128.83 m²
Genoa: 97.4 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 360.84 m²

Design

Type: ONE OFF
Builder: MARTEN MARINE
Designer: FARR
Year built: 2003

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.

6,43.5,6.176121,52,6.9,60,7.36,75,7.73,90,7.61,110,7.41,120,7.16,135,6.34,141.1,5.872201,150,5.27
8,42,7.481718,52,8.45,60,8.94,75,9.3,90,9.19,110,9.18,120,8.97,135,8.1,140.5,7.568447,150,6.74
10,40.8,8.3488,52,9.4,60,9.77,75,10.05,90,10.01,110,10.14,120,10.08,135,9.5,144.2,8.692288,150,8.14
12,39.9,8.720417,52,9.76,60,10.09,75,10.45,90,10.49,110,10.56,120,10.71,135,10.27,149.5,9.319555,150,9.28
14,39.2,8.890959,52,9.93,60,10.25,75,10.72,90,10.94,110,10.93,120,11.24,135,10.93,150,10.1,152,9.898662
16,38.7,8.995037,52,10.04,60,10.36,75,10.9,90,11.36,110,11.33,120,11.7,135,11.72,150,10.6,151.3,10.465759
20,38.4,9.327627,52,10.29,60,10.6,75,11.14,90,11.88,110,12.13,120,12.61,135,13.53,146.2,12.431039,150,11.92

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.9	7.36	7.73	7.61	7.41	7.16	6.34	5.27
8	8.45	8.94	9.3	9.19	9.18	8.97	8.1	6.74
10	9.4	9.77	10.05	10.01	10.14	10.08	9.5	8.14
12	9.76	10.09	10.45	10.49	10.56	10.71	10.27	9.28
14	9.93	10.25	10.72	10.94	10.93	11.24	10.93	10.1
16	10.04	10.36	10.9	11.36	11.33	11.7	11.72	10.6
20	10.29	10.6	11.14	11.88	12.13	12.61	13.53	11.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	4.48	141.1°	4.57
8	42°	5.56	140.5°	5.84
10	40.8°	6.32	144.2°	7.05
12	39.9°	6.69	149.5°	8.03
14	39.2°	6.89	152°	8.74
16	38.7°	7.02	151.3°	9.18
20	38.4°	7.31	146.2°	10.33

Loading polar chart…