NIGHT SHADOW — ORC Rating

GPH

468.8

OSN

455

LOA

15.5 m

Displacement

9749 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8573

Medium

1.161

High

1.3576

Triple Offshore

Low

1.1154

Medium

1.4424

High

1.6614

Boat Specifications

Dimensions

Length overall: 15.5 m
Beam: 3.99 m
Draft: 3.37 m
Displacement: 9749 kg
Crew weight: 1325 kg
Wetted surface: 46.9 m²

Sails

Mainsail: 98.95 m²
Genoa: 55.91 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 243.34 m²

Design

Type: Botin & Carkeek 52
Designer: Botin & Carkeek
Year built: 2001
Stability index: 138.1

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.

6,43.2,6.337721,52,7.08,60,7.54,75,7.94,90,7.84,110,7.48,120,7.23,135,6.38,141.5,5.89056,150,5.32
8,41.8,7.659536,52,8.54,60,8.86,75,9.07,90,9.01,110,9,120,8.86,135,8.23,138.8,7.867999,150,6.84
10,39.4,8.165816,52,9.05,60,9.33,75,9.64,90,9.63,110,9.76,120,9.73,135,9.25,145.1,8.656933,150,8.2
12,37.8,8.340136,52,9.28,60,9.58,75,10.13,90,10.33,110,10.31,120,10.64,135,10.1,150,9.15,151.8,9.032076
14,37,8.476958,52,9.42,60,9.77,75,10.47,90,10.99,110,10.84,120,11.28,135,11.17,150,9.85,150.5,9.800591
16,36,8.627754,52,9.57,60,9.91,75,10.72,90,11.47,110,11.35,120,11.92,135,12.41,147.3,11.063435,150,10.75
20,35.4,8.759363,52,9.85,60,10.36,75,11.19,90,12.09,110,13.18,120,13.2,135,14.56,143.3,14.280803,150,13.23

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.08	7.54	7.94	7.84	7.48	7.23	6.38	5.32
8	8.54	8.86	9.07	9.01	9	8.86	8.23	6.84
10	9.05	9.33	9.64	9.63	9.76	9.73	9.25	8.2
12	9.28	9.58	10.13	10.33	10.31	10.64	10.1	9.15
14	9.42	9.77	10.47	10.99	10.84	11.28	11.17	9.85
16	9.57	9.91	10.72	11.47	11.35	11.92	12.41	10.75
20	9.85	10.36	11.19	12.09	13.18	13.2	14.56	13.23

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	4.62	141.5°	4.61
8	41.8°	5.71	138.8°	5.92
10	39.4°	6.31	145.1°	7.1
12	37.8°	6.59	151.8°	7.96
14	37°	6.77	150.5°	8.53
16	36°	6.98	147.3°	9.31
20	35.4°	7.14	143.3°	11.45

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