Cerva — ORC Rating | RegattaPages

GPH

570.9

OSN

554.8

LOA

12.19 m

Displacement

6642 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7172

Medium

0.9629

High

1.0838

Triple Offshore

Low

0.9246

Medium

1.1848

High

1.3169

Boat Specifications

Dimensions

Length overall: 12.19 m
Beam: 3.64 m
Draft: 2.21 m
Displacement: 6642 kg
Crew weight: 772 kg
Wetted surface: 31.28 m²

Sails

Mainsail: 50.48 m²
Genoa: 41.29 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 156.06 m²

Design

Type: J-122
Builder: J-Boats
Designer: Johnstone
Year built: 2007
Stability index: 128.4

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.

6,43,5.045438,52,5.65,60,5.98,75,6.26,90,6.23,110,6.36,120,6.22,135,5.59,144.2,5.067419,150,4.75
8,41.8,6.049826,52,6.78,60,7.08,75,7.28,90,7.42,110,7.56,120,7.47,135,6.97,146.4,6.183058,150,5.95
10,40.6,6.756478,52,7.44,60,7.64,75,7.78,90,7.79,110,8.12,120,8.08,135,7.78,148.7,7.127318,150,7.04
12,39,6.961369,52,7.69,60,7.89,75,8.09,90,8.13,110,8.48,120,8.62,135,8.31,150,7.74,151.4,7.653907
14,38.4,7.069091,52,7.79,60,8.01,75,8.34,90,8.47,110,8.77,120,9.1,135,8.89,150,8.13,150.7,8.08422
16,38.2,7.138704,52,7.85,60,8.08,75,8.49,90,8.8,110,9.05,120,9.46,135,9.54,150,8.52,173,7.546249
20,37.7,7.267226,52,7.98,60,8.2,75,8.65,90,9.26,110,9.56,120,10.16,135,11.23,142.6,10.548648,150,9.67

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.65	5.98	6.26	6.23	6.36	6.22	5.59	4.75
8	6.78	7.08	7.28	7.42	7.56	7.47	6.97	5.95
10	7.44	7.64	7.78	7.79	8.12	8.08	7.78	7.04
12	7.69	7.89	8.09	8.13	8.48	8.62	8.31	7.74
14	7.79	8.01	8.34	8.47	8.77	9.1	8.89	8.13
16	7.85	8.08	8.49	8.8	9.05	9.46	9.54	8.52
20	7.98	8.2	8.65	9.26	9.56	10.16	11.23	9.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.69	144.2°	4.11
8	41.8°	4.51	146.4°	5.15
10	40.6°	5.13	148.7°	6.09
12	39°	5.41	151.4°	6.72
14	38.4°	5.54	150.7°	7.05
16	38.2°	5.61	173°	7.49
20	37.7°	5.75	142.6°	8.38

Loading polar chart…