AROSA IX — ORC Rating

GPH

610.9

OSN

594.6

LOA

11.785 m

Displacement

7809 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6607

Medium

0.8952

High

1.0273

Triple Offshore

Low

0.8568

Medium

1.1098

High

1.237

Boat Specifications

Dimensions

Length overall: 11.785 m
Beam: 3.79 m
Draft: 1.97 m
Displacement: 7809 kg
Crew weight: 600 kg
Wetted surface: 32.97 m²

Sails

Mainsail: 46.86 m²
Genoa: 48.45 m²
Spinnaker: 105.9 m²
Asymmetric spinnaker: 0 m²

Design

Type: DEHLER 39
Builder: DEHLER
Designer: UDEL FRIEDRICH / V
Year built: 1999

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.

6,43.5,4.825095,52,5.39,60,5.72,75,6.02,90,5.99,110,5.73,120,5.58,135,5.05,144.5,4.532526,150,4.26
8,42,5.67857,52,6.39,60,6.73,75,6.99,90,6.99,110,6.95,120,6.8,135,6.22,149,5.424845,150,5.37
10,42,6.391755,52,7.07,60,7.31,75,7.49,90,7.53,110,7.62,120,7.54,135,7.16,150,6.35,151,6.288447
12,41.2,6.698432,52,7.37,60,7.58,75,7.77,90,7.83,110,8.01,120,7.95,135,7.69,150,7.18,155,6.91818
14,40.5,6.785849,52,7.48,60,7.7,75,7.97,90,8.09,110,8.37,120,8.35,135,8.06,150,7.67,170,7.016598
16,40.1,6.811157,52,7.53,60,7.77,75,8.1,90,8.34,110,8.63,120,8.77,135,8.47,150,8.02,180,7.47
20,40.5,6.851603,52,7.54,60,7.8,75,8.22,90,8.74,110,9.03,120,9.43,135,9.4,150,8.81,180,8.19

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.39	5.72	6.02	5.99	5.73	5.58	5.05	4.26
8	6.39	6.73	6.99	6.99	6.95	6.8	6.22	5.37
10	7.07	7.31	7.49	7.53	7.62	7.54	7.16	6.35
12	7.37	7.58	7.77	7.83	8.01	7.95	7.69	7.18
14	7.48	7.7	7.97	8.09	8.37	8.35	8.06	7.67
16	7.53	7.77	8.1	8.34	8.63	8.77	8.47	8.02
20	7.54	7.8	8.22	8.74	9.03	9.43	9.4	8.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.5	144.5°	3.69
8	42°	4.22	149°	4.65
10	42°	4.75	151°	5.5
12	41.2°	5.04	155°	6.27
14	40.5°	5.16	170°	6.91
16	40.1°	5.21	180°	7.47
20	40.5°	5.21	180°	8.19

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