Sortebill — ORC Rating

GPH

583.4

OSN

570.2

LOA

12.4 m

Displacement

8379 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7723

Medium

1.0409

High

1.2009

Triple Offshore

Low

1.0141

Medium

1.305

High

1.4607

Boat Specifications

Dimensions

Length overall: 12.4 m
Beam: 3.91 m
Draft: 2.13 m
Displacement: 8379 kg
Crew weight: 866 kg
Wetted surface: 38.51 m²

Sails

Mainsail: 52.63 m²
Genoa: 37.98 m²
Spinnaker: 122.55 m²
Asymmetric spinnaker: 123.58 m²

Design

Type: Dehler 41
Builder: Dehler
Designer: Simonis & Vogd
Year built: 2011

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.

6,45,5.204306,52,5.74,60,6.17,75,6.61,90,6.66,110,5.98,120,5.79,135,5.18,143.6,4.671424,150,4.34
8,43.5,6.162335,52,6.89,60,7.32,75,7.65,90,7.67,110,7.3,120,7.09,135,6.44,147.9,5.642635,150,5.52
10,42.8,6.719094,52,7.44,60,7.77,75,8.08,90,8.11,110,8.03,120,7.91,135,7.45,150,6.55,150.6,6.51964
12,41.8,6.935166,52,7.66,60,7.94,75,8.26,90,8.42,110,8.46,120,8.39,135,8.04,150,7.43,153.8,7.233145
14,40.9,7.038401,52,7.77,60,8.03,75,8.37,90,8.69,110,8.81,120,8.87,135,8.48,150,8.01,162.6,7.492871
16,40.9,7.104552,52,7.83,60,8.1,75,8.47,90,8.86,110,9.27,120,9.38,135,8.98,150,8.42,180,7.76
20,40.6,7.204276,52,7.92,60,8.16,75,8.59,90,9.16,110,9.89,120,10.19,135,10.2,150,9.38,180,8.59

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.74	6.17	6.61	6.66	5.98	5.79	5.18	4.34
8	6.89	7.32	7.65	7.67	7.3	7.09	6.44	5.52
10	7.44	7.77	8.08	8.11	8.03	7.91	7.45	6.55
12	7.66	7.94	8.26	8.42	8.46	8.39	8.04	7.43
14	7.77	8.03	8.37	8.69	8.81	8.87	8.48	8.01
16	7.83	8.1	8.47	8.86	9.27	9.38	8.98	8.42
20	7.92	8.16	8.59	9.16	9.89	10.19	10.2	9.38

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	3.68	143.6°	3.76
8	43.5°	4.47	147.9°	4.78
10	42.8°	4.93	150.6°	5.68
12	41.8°	5.17	153.8°	6.49
14	40.9°	5.32	162.6°	7.15
16	40.9°	5.37	180°	7.76
20	40.6°	5.47	180°	8.59

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