Shkval — ORC Rating | RegattaPages

GPH

687.9

OSN

673.3

LOA

8.91 m

Displacement

3141 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5995

Medium

0.7965

High

0.905

Triple Offshore

Low

0.7766

Medium

0.9767

High

1.0812

Boat Specifications

Dimensions

Length overall: 8.91 m
Beam: 3.11 m
Draft: 1.78 m
Displacement: 3141 kg
Crew weight: 428 kg
Wetted surface: 18.05 m²

Sails

Mainsail: 25.29 m²
Genoa: 22.49 m²
Spinnaker: 56.91 m²
Asymmetric spinnaker: 0 m²

Design

Type: LES-31
Builder: Len Exp.Yard
Designer: Len Experim.Yard
Year built: 1984

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.

6,42.8,4.388536,52,4.93,60,5.29,75,5.65,90,5.68,110,5.13,120,4.97,135,4.52,148,3.938456,150,3.85
8,43.1,5.245409,52,5.81,60,6.07,75,6.27,90,6.29,110,6.11,120,5.98,135,5.5,150,4.79,152,4.700166
10,41.2,5.635189,52,6.2,60,6.39,75,6.57,90,6.6,110,6.56,120,6.49,135,6.23,150,5.66,152,5.560919
12,39.4,5.732894,52,6.36,60,6.56,75,6.8,90,6.88,110,6.93,120,6.85,135,6.61,150,6.27,166,5.76113
14,39,5.867624,52,6.44,60,6.67,75,6.98,90,7.14,110,7.27,120,7.23,135,6.97,150,6.62,180,6.17
16,38.6,5.898758,52,6.51,60,6.73,75,7.08,90,7.36,110,7.55,120,7.57,135,7.33,150,6.95,180,6.53
20,39.8,5.961341,52,6.52,60,6.8,75,7.19,90,7.59,110,7.83,120,8.12,135,8.02,150,7.62,180,7.18

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.29	5.65	5.68	5.13	4.97	4.52	3.85
8	5.81	6.07	6.27	6.29	6.11	5.98	5.5	4.79
10	6.2	6.39	6.57	6.6	6.56	6.49	6.23	5.66
12	6.36	6.56	6.8	6.88	6.93	6.85	6.61	6.27
14	6.44	6.67	6.98	7.14	7.27	7.23	6.97	6.62
16	6.51	6.73	7.08	7.36	7.55	7.57	7.33	6.95
20	6.52	6.8	7.19	7.59	7.83	8.12	8.02	7.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.22	148°	3.34
8	43.1°	3.83	152°	4.15
10	41.2°	4.24	152°	4.91
12	39.4°	4.43	166°	5.59
14	39°	4.56	180°	6.17
16	38.6°	4.61	180°	6.53
20	39.8°	4.58	180°	7.18

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