Rosy Maes — ORC Rating

GPH

701.2

OSN

683.3

LOA

10.25 m

Displacement

6565 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6478

Medium

0.874

High

1.0171

Triple Offshore

Low

0.8397

Medium

1.0864

High

1.2194

Boat Specifications

Dimensions

Length overall: 10.25 m
Beam: 3.29 m
Draft: 1.86 m
Displacement: 6565 kg
Crew weight: 400 kg
Wetted surface: 26.01 m²

Sails

Mainsail: 31.77 m²
Genoa: 23.64 m²
Spinnaker: 70.83 m²
Asymmetric spinnaker: 0 m²

Design

Type: Stadt 34
Builder: Mareus Marine
Designer: VD STADT
Year built: 1989

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.

6,44.2,4.268315,52,4.72,60,5.02,75,5.31,90,5.27,110,4.95,120,4.81,135,4.36,147.4,3.822174,150,3.72
8,42.8,4.960954,52,5.56,60,5.92,75,6.2,90,6.15,110,5.99,120,5.82,135,5.31,150,4.69,151.9,4.613849
10,42.8,5.547001,52,6.18,60,6.44,75,6.62,90,6.61,110,6.62,120,6.53,135,6.17,150,5.51,154.3,5.315861
12,43.1,5.930189,52,6.47,60,6.68,75,6.84,90,6.88,110,6.96,120,6.89,135,6.67,150,6.25,157.9,5.91455
14,42,6.041891,52,6.59,60,6.8,75,7.01,90,7.12,110,7.24,120,7.18,135,6.97,150,6.68,180,6.12
16,40.8,6.050238,52,6.66,60,6.87,75,7.14,90,7.36,110,7.53,120,7.49,135,7.26,150,6.97,180,6.59
20,40.6,6.097952,52,6.71,60,6.94,75,7.28,90,7.65,110,7.93,120,8.04,135,7.88,150,7.53,180,7.15

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.72	5.02	5.31	5.27	4.95	4.81	4.36	3.72
8	5.56	5.92	6.2	6.15	5.99	5.82	5.31	4.69
10	6.18	6.44	6.62	6.61	6.62	6.53	6.17	5.51
12	6.47	6.68	6.84	6.88	6.96	6.89	6.67	6.25
14	6.59	6.8	7.01	7.12	7.24	7.18	6.97	6.68
16	6.66	6.87	7.14	7.36	7.53	7.49	7.26	6.97
20	6.71	6.94	7.28	7.65	7.93	8.04	7.88	7.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.06	147.4°	3.22
8	42.8°	3.64	151.9°	4.07
10	42.8°	4.07	154.3°	4.79
12	43.1°	4.33	157.9°	5.48
14	42°	4.49	180°	6.12
16	40.8°	4.58	180°	6.59
20	40.6°	4.63	180°	7.15

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