OC K50 SIREN — ORC Rating

GPH

486.3

OSN

471.7

LOA

15.349 m

Displacement

10030 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8526

Medium

1.1319

High

1.2964

Triple Offshore

Low

1.0913

Medium

1.3835

High

1.5659

Boat Specifications

Dimensions

Length overall: 15.349 m
Beam: 4.14 m
Draft: 3.24 m
Displacement: 10030 kg
Crew weight: 1150 kg
Wetted surface: 42.57 m²

Sails

Mainsail: 85.27 m²
Genoa: 63 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 266.01 m²

Design

Type: KER 50
Builder: NEB
Designer: Ker
Year built: 2006

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.

6,42.5,6.225608,52,6.93,60,7.28,75,7.52,90,7.36,110,7.3,120,7.11,135,6.41,142.4,5.894309,150,5.39
8,40.2,7.292523,52,8.12,60,8.36,75,8.49,90,8.39,110,8.57,120,8.49,135,7.97,145.1,7.169404,150,6.79
10,38,7.829842,52,8.69,60,8.89,75,9.03,90,8.98,110,9.27,120,9.25,135,8.87,148.4,8.089447,150,7.96
12,36.7,8.094534,52,9,60,9.24,75,9.46,90,9.45,110,9.71,120,9.91,135,9.56,150,8.81,152.4,8.643612
14,35.8,8.236097,52,9.2,60,9.49,75,9.83,90,9.91,110,10.09,120,10.45,135,10.31,150,9.4,150.7,9.334121
16,35.3,8.331928,52,9.34,60,9.66,75,10.13,90,10.35,110,10.45,120,10.94,135,11.19,148.2,10.177755,150,9.99
20,35,8.496591,52,9.55,60,9.91,75,10.53,90,11.16,110,11.16,120,11.94,135,13.36,144.2,12.613064,150,11.82
24,35.1,8.555891,52,9.66,60,10.06,75,10.82,90,11.8,110,12.34,120,12.99,135,15.26,145.1,15.960459,150,15.11

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.93	7.28	7.52	7.36	7.3	7.11	6.41	5.39
8	8.12	8.36	8.49	8.39	8.57	8.49	7.97	6.79
10	8.69	8.89	9.03	8.98	9.27	9.25	8.87	7.96
12	9	9.24	9.46	9.45	9.71	9.91	9.56	8.81
14	9.2	9.49	9.83	9.91	10.09	10.45	10.31	9.4
16	9.34	9.66	10.13	10.35	10.45	10.94	11.19	9.99
20	9.55	9.91	10.53	11.16	11.16	11.94	13.36	11.82
24	9.66	10.06	10.82	11.8	12.34	12.99	15.26	15.11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	4.59	142.4°	4.67
8	40.2°	5.57	145.1°	5.88
10	38°	6.17	148.4°	6.89
12	36.7°	6.49	152.4°	7.66
14	35.8°	6.68	150.7°	8.14
16	35.3°	6.8	148.2°	8.65
20	35°	6.96	144.2°	10.23
24	35.1°	7	145.1°	13.09

Loading polar chart…