Ursula — ORC Rating | RegattaPages

GPH

629.7

OSN

611.2

LOA

13.442 m

Displacement

12335 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6435

Medium

0.8691

High

1.0146

Triple Offshore

Low

0.8252

Medium

1.0776

High

1.2118

Boat Specifications

Dimensions

Length overall: 13.442 m
Beam: 3.78 m
Draft: 2.23 m
Displacement: 12335 kg
Crew weight: 600 kg
Wetted surface: 37.52 m²

Sails

Mainsail: 38.66 m²
Genoa: 59.32 m²
Spinnaker: 143.42 m²
Asymmetric spinnaker: 117.44 m²

Design

Type: SWAN 44
Builder: NAUTOR
Designer: SPARKMAN&STEPHENSS
Year built: 1972

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.

6,42.8,4.6066,52,5.12,60,5.39,75,5.6,90,5.55,110,5.53,120,5.43,135,4.98,146,4.414758,150,4.22
8,40.5,5.299801,52,5.99,60,6.29,75,6.54,90,6.5,110,6.7,120,6.56,135,6.06,150,5.28,151,5.225128
10,40.5,5.957344,52,6.75,60,7.02,75,7.21,90,7.3,110,7.46,120,7.39,135,7.02,150,6.200742
12,41.6,6.512453,52,7.17,60,7.38,75,7.55,90,7.65,110,7.83,120,7.81,135,7.58,150,7.04,154,6.842502
14,40.9,6.694419,52,7.36,60,7.57,75,7.76,90,7.81,110,8.09,120,8.12,135,7.92,150,7.56,164,7.042827
16,40.5,6.799,52,7.46,60,7.67,75,7.91,90,8,110,8.33,120,8.41,135,8.24,150,7.88,180,7.33
20,40.5,6.891056,52,7.53,60,7.76,75,8.08,90,8.32,110,8.62,120,8.91,135,8.9,150,8.49,180,8

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.12	5.39	5.6	5.55	5.53	5.43	4.98	4.22
8	5.99	6.29	6.54	6.5	6.7	6.56	6.06	5.28
10	6.75	7.02	7.21	7.3	7.46	7.39	7.02	6.2
12	7.17	7.38	7.55	7.65	7.83	7.81	7.58	7.04
14	7.36	7.57	7.76	7.81	8.09	8.12	7.92	7.56
16	7.46	7.67	7.91	8	8.33	8.41	8.24	7.88
20	7.53	7.76	8.08	8.32	8.62	8.91	8.9	8.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.38	146°	3.66
8	40.5°	4.03	151°	4.57
10	40.5°	4.53	150°	5.37
12	41.6°	4.87	154°	6.15
14	40.9°	5.06	164°	6.77
16	40.5°	5.17	180°	7.33
20	40.5°	5.24	180°	8

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