Margareta — ORC Rating

GPH

777.2

OSN

756.1

LOA

7.8 m

Displacement

2100 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5306

Medium

0.7095

High

0.7811

Triple Offshore

Low

0.681

Medium

0.8717

High

0.9455

Boat Specifications

Dimensions

Length overall: 7.8 m
Beam: 2.6 m
Draft: 1.49 m
Displacement: 2100 kg
Crew weight: 240 kg
Wetted surface: 14.32 m²

Sails

Mainsail: 15.89 m²
Genoa: 17.78 m²
Spinnaker: 37.73 m²
Asymmetric spinnaker: 0 m²

Design

Type: Sunwind 26 (modfio
Builder: Nykra
Designer: Tord Sunden
Year built: 1984

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.

6,43.5,3.77736,52,4.19,60,4.43,75,4.62,90,4.56,110,4.64,120,4.49,135,4.08,149,3.558232,150,3.53
8,41.6,4.399583,52,4.95,60,5.21,75,5.41,90,5.48,110,5.57,120,5.46,135,5.02,150,4.44,153,4.320956
10,41.6,4.907742,52,5.46,60,5.65,75,5.8,90,5.92,110,6.02,120,5.96,135,5.72,150,5.23,155,5.042437
12,42,5.16723,52,5.66,60,5.84,75,6.02,90,6.08,110,6.33,120,6.28,135,6.09,150,5.8,170,5.300527
14,42.2,5.210551,52,5.71,60,5.91,75,6.16,90,6.28,110,6.6,120,6.61,135,6.41,150,6.12,180,5.74
16,42.8,5.206276,52,5.71,60,5.93,75,6.24,90,6.46,110,6.76,120,6.92,135,6.76,150,6.42,180,6.06
20,44.8,5.172141,52,5.62,60,5.88,75,6.26,90,6.69,110,6.98,120,7.28,135,7.42,150,7.07,180,6.65

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.19	4.43	4.62	4.56	4.64	4.49	4.08	3.53
8	4.95	5.21	5.41	5.48	5.57	5.46	5.02	4.44
10	5.46	5.65	5.8	5.92	6.02	5.96	5.72	5.23
12	5.66	5.84	6.02	6.08	6.33	6.28	6.09	5.8
14	5.71	5.91	6.16	6.28	6.6	6.61	6.41	6.12
16	5.71	5.93	6.24	6.46	6.76	6.92	6.76	6.42
20	5.62	5.88	6.26	6.69	6.98	7.28	7.42	7.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	2.74	149°	3.05
8	41.6°	3.29	153°	3.85
10	41.6°	3.67	155°	4.57
12	42°	3.84	170°	5.22
14	42.2°	3.86	180°	5.74
16	42.8°	3.82	180°	6.06
20	44.8°	3.67	180°	6.65

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