LuRek 3 — ORC Rating | RegattaPages

GPH

773.9

OSN

753.8

LOA

6.4 m

Displacement

1265 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5436

Medium

0.7123

High

0.7878

Triple Offshore

Low

0.6947

Medium

0.8684

High

0.9469

Boat Specifications

Dimensions

Length overall: 6.4 m
Beam: 2.43 m
Draft: 1.81 m
Displacement: 1265 kg
Crew weight: 340 kg
Wetted surface: 12.32 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
Stability index: 102.9

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.

6,40.6,3.714087,52,4.17,60,4.35,75,4.64,90,4.92,110,4.88,120,4.69,135,4.15,149.6,3.594146,150,3.58
8,38.8,4.349846,52,4.9,60,5.07,75,5.4,90,5.63,110,5.63,120,5.49,135,5.05,150,4.51,155.6,4.315439
10,38.2,4.682786,52,5.29,60,5.47,75,5.65,90,5.99,110,6.09,120,5.97,135,5.65,150,5.26,168.2,4.781036
12,38.4,4.797794,52,5.4,60,5.59,75,5.81,90,6.19,110,6.5,120,6.39,135,6.08,150,5.75,176.3,5.331112
14,38.8,4.875933,52,5.47,60,5.66,75,5.92,90,6.34,110,6.84,120,6.79,135,6.5,150,6.15,179,5.760877
16,39.4,4.930548,52,5.51,60,5.71,75,5.98,90,6.39,110,7.05,120,7.19,135,6.94,150,6.55,179,6.130934
20,40.6,4.938946,52,5.52,60,5.74,75,6.04,90,6.3,110,7.37,120,7.82,135,7.97,150,7.42,178.4,6.892687

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.17	4.35	4.64	4.92	4.88	4.69	4.15	3.58
8	4.9	5.07	5.4	5.63	5.63	5.49	5.05	4.51
10	5.29	5.47	5.65	5.99	6.09	5.97	5.65	5.26
12	5.4	5.59	5.81	6.19	6.5	6.39	6.08	5.75
14	5.47	5.66	5.92	6.34	6.84	6.79	6.5	6.15
16	5.51	5.71	5.98	6.39	7.05	7.19	6.94	6.55
20	5.52	5.74	6.04	6.3	7.37	7.82	7.97	7.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	40.6°	2.82	149.6°	3.1
8	38.8°	3.39	155.6°	3.93
10	38.2°	3.68	168.2°	4.68
12	38.4°	3.76	176.3°	5.32
14	38.8°	3.8	179°	5.76
16	39.4°	3.81	179°	6.13
20	40.6°	3.75	178.4°	6.89

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