Cerva — ORC Rating | RegattaPages

GPH

595.3

OSN

576.1

LOA

12.4 m

Displacement

8505 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7399

Medium

1.0382

High

1.2191

Triple Offshore

Low

0.9635

Medium

1.2929

High

1.4709

Boat Specifications

Dimensions

Length overall: 12.4 m
Beam: 3.91 m
Draft: 2.14 m
Displacement: 8505 kg
Crew weight: 750 kg
Wetted surface: 38.19 m²

Sails

Mainsail: 54.4 m²
Genoa: 39.97 m²
Spinnaker: 127.94 m²
Asymmetric spinnaker: 0 m²

Design

Type: DEHLER 41
Builder: DEHLER
Designer: JUDEL/VROLIJK
Year built: 1997

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.

6,44.2,4.728623,52,5.25,60,5.59,75,5.87,90,5.8,110,5.89,120,5.74,135,5.17,139.3,4.933163,150,4.32
8,42.7,5.687736,52,6.35,60,6.7,75,7,90,7.09,110,7.23,120,7.06,135,6.44,148,5.565722,150,5.45
10,41.8,6.452253,52,7.23,60,7.5,75,7.7,90,7.84,110,7.98,120,7.88,135,7.47,147.9,6.681447,150,6.54
12,41.1,6.980169,52,7.67,60,7.89,75,8.07,90,8.12,110,8.43,120,8.36,135,8.05,150,7.46,153.8,7.255435
14,40.2,7.12232,52,7.85,60,8.08,75,8.34,90,8.39,110,8.83,120,8.84,135,8.48,150,8.02,162.9,7.491162
16,39.7,7.174426,52,7.92,60,8.17,75,8.53,90,8.7,110,9.1,120,9.37,135,8.97,150,8.42,180,7.76
20,39.3,7.262481,52,7.99,60,8.22,75,8.69,90,9.23,110,9.62,120,10.14,135,10.2,150,9.36,180,8.58

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.25	5.59	5.87	5.8	5.89	5.74	5.17	4.32
8	6.35	6.7	7	7.09	7.23	7.06	6.44	5.45
10	7.23	7.5	7.7	7.84	7.98	7.88	7.47	6.54
12	7.67	7.89	8.07	8.12	8.43	8.36	8.05	7.46
14	7.85	8.08	8.34	8.39	8.83	8.84	8.48	8.02
16	7.92	8.17	8.53	8.7	9.1	9.37	8.97	8.42
20	7.99	8.22	8.69	9.23	9.62	10.14	10.2	9.36

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.39	139.3°	3.74
8	42.7°	4.18	148°	4.72
10	41.8°	4.81	147.9°	5.66
12	41.1°	5.26	153.8°	6.51
14	40.2°	5.44	162.9°	7.16
16	39.7°	5.52	180°	7.76
20	39.3°	5.62	180°	8.58

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