Rosy Maes — ORC Rating

GPH

697.4

OSN

674.5

LOA

10.25 m

Displacement

6444 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5839

Medium

0.798

High

0.9295

Triple Offshore

Low

0.7483

Medium

0.973

High

1.09

Boat Specifications

Dimensions

Length overall: 10.25 m
Beam: 3.27 m
Draft: 2.12 m
Displacement: 6444 kg
Crew weight: 400 kg
Wetted surface: 25.54 m²

Sails

Mainsail: 32.04 m²
Genoa: 30.84 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.

6,42.9,4.272787,52,4.73,60,4.95,75,5.1,90,5,110,5.03,120,4.86,135,4.36,145.8,3.869031,150,3.69
8,40.5,4.957878,52,5.55,60,5.76,75,5.92,90,5.94,110,6.02,120,5.87,135,5.38,150,4.72,150.5,4.699228
10,39.4,5.474073,52,6.09,60,6.26,75,6.4,90,6.51,110,6.58,120,6.5,135,6.16,150,5.58,153.8,5.405355
12,38.6,5.809189,52,6.41,60,6.55,75,6.68,90,6.81,110,6.91,120,6.85,135,6.62,150,6.24,160.1,5.870541
14,38,5.989766,52,6.59,60,6.73,75,6.87,90,7,110,7.17,120,7.12,135,6.93,150,6.65,174.5,6.128213
16,37.5,6.075477,52,6.7,60,6.85,75,7.02,90,7.09,110,7.4,120,7.38,135,7.2,150,6.94,178.6,6.541953
20,37.2,6.139129,52,6.78,60,6.96,75,7.23,90,7.39,110,7.75,120,7.91,135,7.78,150,7.45,179,7.081078
24,37.6,6.159364,52,6.81,60,7,75,7.33,90,7.62,110,7.97,120,8.34,135,8.43,150,8.06,179,7.581155

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.73	4.95	5.1	5	5.03	4.86	4.36	3.69
8	5.55	5.76	5.92	5.94	6.02	5.87	5.38	4.72
10	6.09	6.26	6.4	6.51	6.58	6.5	6.16	5.58
12	6.41	6.55	6.68	6.81	6.91	6.85	6.62	6.24
14	6.59	6.73	6.87	7	7.17	7.12	6.93	6.65
16	6.7	6.85	7.02	7.09	7.4	7.38	7.2	6.94
20	6.78	6.96	7.23	7.39	7.75	7.91	7.78	7.45
24	6.81	7	7.33	7.62	7.97	8.34	8.43	8.06

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.13	145.8°	3.2
8	40.5°	3.77	150.5°	4.09
10	39.4°	4.23	153.8°	4.85
12	38.6°	4.54	160.1°	5.52
14	38°	4.72	174.5°	6.1
16	37.5°	4.82	178.6°	6.54
20	37.2°	4.89	179°	7.08
24	37.6°	4.88	179°	7.58

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