Sortebill — ORC Rating

GPH

595.9

OSN

579.4

LOA

12.4 m

Displacement

8866 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6791

Medium

0.9101

High

1.0354

Triple Offshore

Low

0.8805

Medium

1.1383

High

1.2641

Boat Specifications

Dimensions

Length overall: 12.4 m
Beam: 3.91 m
Draft: 2.15 m
Displacement: 8866 kg
Crew weight: 450 kg
Wetted surface: 37.81 m²

Sails

Mainsail: 52.63 m²
Genoa: 38.11 m²
Spinnaker: 122.19 m²
Asymmetric spinnaker: 123.58 m²

Design

Type: Dehler 41 Q.B.
Builder: Dehler
Designer: Simonis & Vogd
Year built: 2011
Stability index: 110.5

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.

6,44.7,5.050651,52,5.56,60,5.9,75,6.14,90,6.02,110,5.94,120,5.76,135,5.14,143,4.682987,150,4.32
8,42.4,5.944842,52,6.62,60,6.93,75,7.16,90,7.11,110,7.22,120,7.06,135,6.44,146.4,5.76285,150,5.54
10,41.2,6.379459,52,7.16,60,7.48,75,7.75,90,7.78,110,7.98,120,7.89,135,7.45,147.8,6.724233,150,6.58
12,40.6,6.585261,52,7.39,60,7.72,75,8.06,90,8.18,110,8.42,120,8.42,135,8.1,150,7.44,154.7,7.178548
14,40.6,6.716967,52,7.53,60,7.85,75,8.22,90,8.45,110,8.73,120,8.89,135,8.6,150,8.05,161,7.572564
16,40.8,6.790005,52,7.6,60,7.93,75,8.34,90,8.66,110,8.97,120,9.32,135,9.12,150,8.52,173.6,7.798602
20,41.8,6.854681,52,7.63,60,7.98,75,8.46,90,8.97,110,9.39,120,9.9,135,10.25,150,9.5,177.2,8.680363

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.56	5.9	6.14	6.02	5.94	5.76	5.14	4.32
8	6.62	6.93	7.16	7.11	7.22	7.06	6.44	5.54
10	7.16	7.48	7.75	7.78	7.98	7.89	7.45	6.58
12	7.39	7.72	8.06	8.18	8.42	8.42	8.1	7.44
14	7.53	7.85	8.22	8.45	8.73	8.89	8.6	8.05
16	7.6	7.93	8.34	8.66	8.97	9.32	9.12	8.52
20	7.63	7.98	8.46	8.97	9.39	9.9	10.25	9.5

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.7°	3.59	143°	3.74
8	42.4°	4.39	146.4°	4.8
10	41.2°	4.8	147.8°	5.69
12	40.6°	5	154.7°	6.49
14	40.6°	5.1	161°	7.16
16	40.8°	5.14	173.6°	7.75
20	41.8°	5.11	177.2°	8.67

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