Sortebill — ORC Rating

GPH

581.8

OSN

568.9

LOA

12.4 m

Displacement

8404 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7753

Medium

1.0437

High

1.2042

Triple Offshore

Low

1.0189

Medium

1.3074

High

1.463

Boat Specifications

Dimensions

Length overall: 12.4 m
Beam: 3.91 m
Draft: 2.13 m
Displacement: 8404 kg
Crew weight: 866 kg
Wetted surface: 38.51 m²

Sails

Mainsail: 53.6 m²
Genoa: 38.11 m²
Spinnaker: 122.19 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.

6,45.2,5.23676,52,5.76,60,6.21,75,6.67,90,6.74,110,6.04,120,5.84,135,5.21,141.6,4.810554,150,4.36
8,43.5,6.189907,52,6.91,60,7.34,75,7.66,90,7.69,110,7.33,120,7.14,135,6.47,147.7,5.666883,150,5.53
10,42.2,6.668425,52,7.45,60,7.77,75,8.08,90,8.12,110,8.03,120,7.92,135,7.48,150,6.57,150.4,6.544029
12,41.3,6.908356,52,7.64,60,7.93,75,8.25,90,8.43,110,8.46,120,8.39,135,8.06,150,7.44,153.9,7.238085
14,40.8,7.054207,52,7.78,60,8.03,75,8.36,90,8.68,110,8.81,120,8.87,135,8.49,150,8.02,163,7.487153
16,40.7,7.109558,52,7.83,60,8.1,75,8.47,90,8.85,110,9.28,120,9.38,135,8.99,150,8.43,180,7.77
20,40.4,7.222224,52,7.94,60,8.17,75,8.58,90,9.16,110,9.88,120,10.2,135,10.21,150,9.38,180,8.6

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.76	6.21	6.67	6.74	6.04	5.84	5.21	4.36
8	6.91	7.34	7.66	7.69	7.33	7.14	6.47	5.53
10	7.45	7.77	8.08	8.12	8.03	7.92	7.48	6.57
12	7.64	7.93	8.25	8.43	8.46	8.39	8.06	7.44
14	7.78	8.03	8.36	8.68	8.81	8.87	8.49	8.02
16	7.83	8.1	8.47	8.85	9.28	9.38	8.99	8.43
20	7.94	8.17	8.58	9.16	9.88	10.2	10.21	9.38

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.2°	3.69	141.6°	3.77
8	43.5°	4.49	147.7°	4.79
10	42.2°	4.94	150.4°	5.69
12	41.3°	5.19	153.9°	6.5
14	40.8°	5.34	163°	7.16
16	40.7°	5.39	180°	7.77
20	40.4°	5.5	180°	8.6

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