SILVER SURFER — ORC Rating

GPH

594.4

OSN

577.6

LOA

11.002 m

Displacement

5117 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6871

Medium

0.924

High

1.043

Triple Offshore

Low

0.8872

Medium

1.1374

High

1.2668

Boat Specifications

Dimensions

Length overall: 11.002 m
Beam: 3.6 m
Draft: 2.12 m
Displacement: 5117 kg
Crew weight: 664 kg
Wetted surface: 26.92 m²

Sails

Mainsail: 40.08 m²
Genoa: 32.52 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 130.58 m²

Design

Type: J 112E
Builder: J/Composites
Designer: Al Johnstone
Year built: 2017

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.

6,43.1,4.807151,52,5.38,60,5.71,75,5.98,90,6.05,110,6.18,120,6.05,135,5.44,144,4.931911,150,4.61
8,41.2,5.67506,52,6.42,60,6.72,75,6.94,90,7.16,110,7.29,120,7.21,135,6.73,147,5.949893,150,5.76
10,40.5,6.417625,52,7.08,60,7.27,75,7.42,90,7.55,110,7.82,120,7.77,135,7.48,149,6.848138,150,6.78
12,39,6.716885,52,7.38,60,7.55,75,7.73,90,7.76,110,8.25,120,8.3,135,7.97,150,7.42,151,7.351767
14,38.2,6.807855,52,7.5,60,7.71,75,7.99,90,8.08,110,8.54,120,8.83,135,8.52,150,7.75,152,7.633522
16,37.9,6.843377,52,7.56,60,7.79,75,8.2,90,8.41,110,8.8,120,9.22,135,9.12,150,8.14,176.5,7.293604
20,37.7,6.951259,52,7.63,60,7.85,75,8.37,90,8.93,110,9.35,120,9.93,135,10.76,150,9.2,177,8.051034

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.38	5.71	5.98	6.05	6.18	6.05	5.44	4.61
8	6.42	6.72	6.94	7.16	7.29	7.21	6.73	5.76
10	7.08	7.27	7.42	7.55	7.82	7.77	7.48	6.78
12	7.38	7.55	7.73	7.76	8.25	8.3	7.97	7.42
14	7.5	7.71	7.99	8.08	8.54	8.83	8.52	7.75
16	7.56	7.79	8.2	8.41	8.8	9.22	9.12	8.14
20	7.63	7.85	8.37	8.93	9.35	9.93	10.76	9.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.51	144°	3.99
8	41.2°	4.27	147°	4.99
10	40.5°	4.88	149°	5.87
12	39°	5.22	151°	6.43
14	38.2°	5.35	152°	6.74
16	37.9°	5.4	176.5°	7.28
20	37.7°	5.5	177°	8.04

Loading polar chart…