JŪRŲ VALKATA — ORC Rating

GPH

679.5

OSN

658.7

LOA

7.42 m

Displacement

1415 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6102

Medium

0.8066

High

0.9151

Triple Offshore

Low

0.7798

Medium

0.991

High

1.1211

Boat Specifications

Dimensions

Length overall: 7.42 m
Beam: 2.47 m
Draft: 1.57 m
Displacement: 1415 kg
Crew weight: 350 kg
Wetted surface: 12.8 m²

Sails

Mainsail: 18.63 m²
Genoa: 11.3 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 53.95 m²

Design

Type: Sen 749 regatta
Builder: Poland
Designer: L. Gonciarz
Year built: 2005
Stability index: 113.8

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.

6,42.7,4.245391,52,4.71,60,4.93,75,5.05,90,5.36,110,5.43,120,5.28,135,4.78,144.8,4.307682,150,4.07
8,40.6,5.017969,52,5.59,60,5.78,75,5.88,90,6.18,110,6.32,120,6.23,135,5.85,148.4,5.212938,150,5.13
10,38.8,5.491841,52,6.06,60,6.2,75,6.32,90,6.54,110,6.85,120,6.81,135,6.5,149.2,5.972339,150,5.93
12,37.2,5.687169,52,6.31,60,6.47,75,6.64,90,6.76,110,7.32,120,7.39,135,7.07,149.6,6.457869,150,6.43
14,37.2,5.787604,52,6.42,60,6.64,75,6.93,90,7.03,110,7.67,120,7.99,135,7.71,150,6.82,173,5.984608
16,37.2,5.825268,52,6.49,60,6.73,75,7.14,90,7.37,110,8,120,8.56,135,8.51,143.9,7.883762,150,7.36
20,38.1,5.870879,52,6.53,60,6.81,75,7.37,90,7.96,110,8.64,120,9.48,135,10.79,140.6,10.288151,150,9.18

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.71	4.93	5.05	5.36	5.43	5.28	4.78	4.07
8	5.59	5.78	5.88	6.18	6.32	6.23	5.85	5.13
10	6.06	6.2	6.32	6.54	6.85	6.81	6.5	5.93
12	6.31	6.47	6.64	6.76	7.32	7.39	7.07	6.43
14	6.42	6.64	6.93	7.03	7.67	7.99	7.71	6.82
16	6.49	6.73	7.14	7.37	8	8.56	8.51	7.36
20	6.53	6.81	7.37	7.96	8.64	9.48	10.79	9.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.12	144.8°	3.52
8	40.6°	3.81	148.4°	4.44
10	38.8°	4.28	149.2°	5.13
12	37.2°	4.53	149.6°	5.57
14	37.2°	4.61	173°	5.94
16	37.2°	4.64	143.9°	6.37
20	38.1°	4.62	140.6°	7.95

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