ROSENDA — ORC Rating | RegattaPages

GPH

832.7

OSN

805.4

LOA

7.86 m

Displacement

2524 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4778

Medium

0.6589

High

0.7687

Triple Offshore

Low

0.6192

Medium

0.8185

High

0.9231

Boat Specifications

Dimensions

Length overall: 7.86 m
Beam: 2.2 m
Draft: 1.23 m
Displacement: 2524 kg
Crew weight: 214 kg
Wetted surface: 16.78 m²

Sails

Mainsail: 16.26 m²
Genoa: 11.19 m²
Spinnaker: 44.69 m²
Asymmetric spinnaker: 0 m²

Design

Type: MARIEHOLM 26
Builder: MARIEHOLM
Designer: SUNDEN Tord
Year built: 1967
Stability index: 136.2

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.

6,45.4,3.261397,52,3.57,60,3.8,75,3.99,90,4.37,110,4.48,120,4.35,135,3.97,148.4,3.498774,150,3.44
8,43.2,3.841043,52,4.27,60,4.51,75,4.8,90,5.28,110,5.42,120,5.31,135,4.89,150,4.33,152.3,4.246699
10,42.4,4.306286,52,4.82,60,5.1,75,5.33,90,5.74,110,5.89,120,5.83,135,5.61,150,5.12,152.9,4.998805
12,43,4.744626,52,5.28,60,5.51,75,5.68,90,5.89,110,6.17,120,6.14,135,5.97,150,5.69,162.2,5.335409
14,43.5,5.073242,52,5.53,60,5.72,75,5.89,90,5.99,110,6.34,120,6.43,135,6.26,150,6,176.6,5.599857
16,43.5,5.18353,52,5.65,60,5.85,75,6.04,90,6.13,110,6.47,120,6.69,135,6.58,150,6.27,179,5.920902
20,43.6,5.192138,52,5.69,60,5.92,75,6.25,90,6.45,110,6.7,120,6.96,135,7.19,150,6.87,179,6.440981

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.57	3.8	3.99	4.37	4.48	4.35	3.97	3.44
8	4.27	4.51	4.8	5.28	5.42	5.31	4.89	4.33
10	4.82	5.1	5.33	5.74	5.89	5.83	5.61	5.12
12	5.28	5.51	5.68	5.89	6.17	6.14	5.97	5.69
14	5.53	5.72	5.89	5.99	6.34	6.43	6.26	6
16	5.65	5.85	6.04	6.13	6.47	6.69	6.58	6.27
20	5.69	5.92	6.25	6.45	6.7	6.96	7.19	6.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.29	148.4°	2.98
8	43.2°	2.8	152.3°	3.76
10	42.4°	3.18	152.9°	4.45
12	43°	3.47	162.2°	5.08
14	43.5°	3.68	176.6°	5.59
16	43.5°	3.76	179°	5.92
20	43.6°	3.76	179°	6.44

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