NOISY OYSTER — ORC Rating

GPH

578.2

OSN

564.3

LOA

12.19 m

Displacement

7435 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7022

Medium

0.9436

High

1.0666

Triple Offshore

Low

0.9143

Medium

1.1688

High

1.2955

Boat Specifications

Dimensions

Length overall: 12.19 m
Beam: 3.64 m
Draft: 2.24 m
Displacement: 7435 kg
Crew weight: 800 kg
Wetted surface: 33 m²

Sails

Mainsail: 50.56 m²
Genoa: 40.26 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 154.1 m²

Design

Type: J-122 Cruising
Builder: J-EUROPE
Designer: JOHNSTONE Rodney
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.

6,43.1,4.971498,52,5.56,60,5.9,75,6.38,90,6.6,110,6.36,120,6.15,135,5.51,144,4.981354,150,4.65
8,41.2,5.861128,52,6.63,60,6.95,75,7.39,90,7.57,110,7.48,120,7.37,135,6.83,147,5.997587,150,5.81
10,40.5,6.588586,52,7.32,60,7.53,75,7.8,90,8.01,110,8.02,120,7.97,135,7.66,148.5,6.978325,150,6.86
12,39.4,6.88465,52,7.61,60,7.8,75,7.99,90,8.31,110,8.36,120,8.42,135,8.13,150,7.59,150.8,7.537901
14,38.6,6.986381,52,7.72,60,7.93,75,8.21,90,8.53,110,8.8,120,8.9,135,8.62,150,7.95,152.2,7.822913
16,38.2,7.02418,52,7.77,60,8,75,8.36,90,8.71,110,9.22,120,9.24,135,9.17,150,8.29,176,7.448143
20,38.2,7.189604,52,7.87,60,8.07,75,8.5,90,9.05,110,9.87,120,10.07,135,10.5,150,9.16,178,8.204998

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.56	5.9	6.38	6.6	6.36	6.15	5.51	4.65
8	6.63	6.95	7.39	7.57	7.48	7.37	6.83	5.81
10	7.32	7.53	7.8	8.01	8.02	7.97	7.66	6.86
12	7.61	7.8	7.99	8.31	8.36	8.42	8.13	7.59
14	7.72	7.93	8.21	8.53	8.8	8.9	8.62	7.95
16	7.77	8	8.36	8.71	9.22	9.24	9.17	8.29
20	7.87	8.07	8.5	9.05	9.87	10.07	10.5	9.16

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.63	144°	4.03
8	41.2°	4.41	147°	5.03
10	40.5°	5.01	148.5°	5.95
12	39.4°	5.32	150.8°	6.58
14	38.6°	5.46	152.2°	6.92
16	38.2°	5.52	176°	7.43
20	38.2°	5.65	178°	8.2

Loading polar chart…