LuRek 3 — ORC Rating | RegattaPages

GPH

775.2

OSN

755.2

LOA

6.4 m

Displacement

1232 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5423

Medium

0.7111

High

0.7874

Triple Offshore

Low

0.6934

Medium

0.867

High

0.9449

Boat Specifications

Dimensions

Length overall: 6.4 m
Beam: 2.43 m
Draft: 1.81 m
Displacement: 1232 kg
Crew weight: 339 kg
Wetted surface: 12.34 m²

Sails

Mainsail: 14.1 m²
Genoa: 11.05 m²
Spinnaker: 34.93 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 21.7
Builder: Beneteau
Designer: Finot
Year built: 2009

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.

6,40.8,3.725256,52,4.16,60,4.34,75,4.64,90,4.92,110,4.87,120,4.68,135,4.15,149.2,3.597374,150,3.57
8,38.9,4.343116,52,4.89,60,5.06,75,5.39,90,5.63,110,5.62,120,5.49,135,5.05,150,4.5,155,4.325241
10,38.2,4.682786,52,5.28,60,5.46,75,5.64,90,5.99,110,6.08,120,5.96,135,5.65,150,5.25,167.8,4.767674
12,38.5,4.804448,52,5.39,60,5.58,75,5.8,90,6.17,110,6.5,120,6.38,135,6.07,150,5.74,176.3,5.31107
14,38.8,4.875933,52,5.46,60,5.65,75,5.9,90,6.32,110,6.83,120,6.78,135,6.49,150,6.14,178.6,5.751717
16,39.1,4.9095,52,5.49,60,5.69,75,5.96,90,6.34,110,7.03,120,7.18,135,6.93,150,6.54,178.6,6.121827
20,40.4,4.924243,52,5.5,60,5.71,75,6.01,90,6.23,110,7.34,120,7.79,135,7.94,150,7.4,178.6,6.872051
24,45,4.978032,52,5.4,60,5.66,75,5.98,90,6.28,110,6.46,120,8.22,135,9.51,150,8.59,176.6,7.753648

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.16	4.34	4.64	4.92	4.87	4.68	4.15	3.57
8	4.89	5.06	5.39	5.63	5.62	5.49	5.05	4.5
10	5.28	5.46	5.64	5.99	6.08	5.96	5.65	5.25
12	5.39	5.58	5.8	6.17	6.5	6.38	6.07	5.74
14	5.46	5.65	5.9	6.32	6.83	6.78	6.49	6.14
16	5.49	5.69	5.96	6.34	7.03	7.18	6.93	6.54
20	5.5	5.71	6.01	6.23	7.34	7.79	7.94	7.4
24	5.4	5.66	5.98	6.28	6.46	8.22	9.51	8.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	40.8°	2.82	149.2°	3.09
8	38.9°	3.38	155°	3.92
10	38.2°	3.68	167.8°	4.66
12	38.5°	3.76	176.3°	5.3
14	38.8°	3.8	178.6°	5.75
16	39.1°	3.81	178.6°	6.12
20	40.4°	3.75	178.6°	6.87
24	45°	3.52	176.6°	7.74

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