Rosy Maes — ORC Rating

GPH

691.8

OSN

674.6

LOA

10.25 m

Displacement

6185 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6645

Medium

0.8887

High

1.026

Triple Offshore

Low

0.858

Medium

1.0985

High

1.2231

Boat Specifications

Dimensions

Length overall: 10.25 m
Beam: 3.29 m
Draft: 2.12 m
Displacement: 6185 kg
Crew weight: 160 kg
Wetted surface: 25.63 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.

6,42.6,4.333667,52,4.85,60,5.13,75,5.42,90,5.39,110,5.02,120,4.87,135,4.42,147.1,3.882709,150,3.76
8,41,5.008549,52,5.69,60,6.01,75,6.26,90,6.22,110,6.04,120,5.88,135,5.38,150,4.74,151.9,4.659194
10,41.8,5.607156,52,6.25,60,6.48,75,6.64,90,6.64,110,6.64,120,6.56,135,6.22,150,5.56,153.8,5.383065
12,41.3,5.896728,52,6.5,60,6.7,75,6.86,90,6.9,110,6.97,120,6.91,135,6.7,150,6.29,158.1,5.949326
14,40.3,5.99212,52,6.61,60,6.8,75,7.01,90,7.11,110,7.24,120,7.19,135,7,150,6.71,180,6.16
16,39.5,6.013287,52,6.66,60,6.85,75,7.12,90,7.29,110,7.47,120,7.49,135,7.29,150,6.99,180,6.61
20,39.6,6.060895,52,6.69,60,6.91,75,7.22,90,7.6,110,7.88,120,7.97,135,7.9,150,7.56,180,7.17

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.85	5.13	5.42	5.39	5.02	4.87	4.42	3.76
8	5.69	6.01	6.26	6.22	6.04	5.88	5.38	4.74
10	6.25	6.48	6.64	6.64	6.64	6.56	6.22	5.56
12	6.5	6.7	6.86	6.9	6.97	6.91	6.7	6.29
14	6.61	6.8	7.01	7.11	7.24	7.19	7	6.71
16	6.66	6.85	7.12	7.29	7.47	7.49	7.29	6.99
20	6.69	6.91	7.22	7.6	7.88	7.97	7.9	7.56

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.19	147.1°	3.26
8	41°	3.78	151.9°	4.11
10	41.8°	4.18	153.8°	4.83
12	41.3°	4.43	158.1°	5.52
14	40.3°	4.57	180°	6.16
16	39.5°	4.64	180°	6.61
20	39.6°	4.67	180°	7.17

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