LuRek — ORC Rating | RegattaPages

GPH

683.8

OSN

660

LOA

9.85 m

Displacement

3814 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6531

Medium

0.9099

High

1.069

Triple Offshore

Low

0.8427

Medium

1.123

High

1.2785

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.22 m
Draft: 1.93 m
Displacement: 3814 kg
Crew weight: 586 kg
Wetted surface: 22.2 m²

Sails

Mainsail: 26.34 m²
Genoa: 20.7 m²
Spinnaker: 61.63 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7 LR
Builder: Beneteau
Designer: Finot
Year built: 1998

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.

6,42.7,4.054893,52,4.53,60,4.78,75,4.98,90,5.1,110,5.17,120,5.01,135,4.53,146.4,3.985971,150,3.83
8,41,4.823047,52,5.43,60,5.7,75,5.92,90,6.19,110,6.28,120,6.12,135,5.59,150,4.87,150.5,4.848592
10,40.7,5.473964,52,6.15,60,6.38,75,6.55,90,6.83,110,6.9,120,6.81,135,6.46,150,5.77,152,5.66285
12,39.9,5.956996,52,6.58,60,6.76,75,6.89,90,7.14,110,7.29,120,7.2,135,6.94,150,6.52,157.8,6.177969
14,38.7,6.163266,52,6.79,60,6.96,75,7.13,90,7.29,110,7.67,120,7.6,135,7.3,150,6.95,176.3,6.353243
16,38.4,6.226925,52,6.88,60,7.08,75,7.33,90,7.44,110,8.03,120,8.04,135,7.71,150,7.28,180,6.82
20,39,6.227916,52,6.9,60,7.13,75,7.56,90,7.94,110,8.44,120,8.88,135,8.64,150,8.06,180,7.49

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.53	4.78	4.98	5.1	5.17	5.01	4.53	3.83
8	5.43	5.7	5.92	6.19	6.28	6.12	5.59	4.87
10	6.15	6.38	6.55	6.83	6.9	6.81	6.46	5.77
12	6.58	6.76	6.89	7.14	7.29	7.2	6.94	6.52
14	6.79	6.96	7.13	7.29	7.67	7.6	7.3	6.95
16	6.88	7.08	7.33	7.44	8.03	8.04	7.71	7.28
20	6.9	7.13	7.56	7.94	8.44	8.88	8.64	8.06

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	2.98	146.4°	3.32
8	41°	3.64	150.5°	4.22
10	40.7°	4.15	152°	5
12	39.9°	4.57	157.8°	5.72
14	38.7°	4.81	176.3°	6.34
16	38.4°	4.88	180°	6.82
20	39°	4.84	180°	7.49

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