SOLUTIONS — ORC Rating

GPH

578.8

OSN

562

LOA

12.383 m

Displacement

9015 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6846

Medium

0.9474

High

1.1067

Triple Offshore

Low

0.8936

Medium

1.1749

High

1.3302

Boat Specifications

Dimensions

Length overall: 12.383 m
Beam: 3.91 m
Draft: 2.43 m
Displacement: 9015 kg
Crew weight: 884 kg
Wetted surface: 38.48 m²

Sails

Mainsail: 55.4 m²
Genoa: 40.91 m²
Spinnaker: 141.46 m²
Asymmetric spinnaker: 119.68 m²

Design

Type: DEHLER 41DB
Builder: DEHLER
Designer: Judel/Vrolijk
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.

6,43.5,4.866453,52,5.44,60,5.77,75,6.23,90,6.45,110,6.22,120,5.91,135,5.36,141.2,5.02991,150,4.52
8,42,5.813133,52,6.5,60,6.83,75,7.37,90,7.57,110,7.4,120,7.22,135,6.63,148,5.789766,150,5.67
10,40.9,6.548888,52,7.33,60,7.57,75,7.93,90,8.11,110,8.05,120,7.98,135,7.61,149,6.789806,150,6.72
12,39.9,7.051937,52,7.76,60,7.95,75,8.17,90,8.46,110,8.48,120,8.44,135,8.14,150,7.58,154.5,7.334487
14,39,7.205854,52,7.93,60,8.14,75,8.35,90,8.71,110,8.86,120,8.92,135,8.57,150,8.1,164,7.552574
16,38.2,7.227779,52,8.01,60,8.23,75,8.55,90,8.89,110,9.32,120,9.42,135,9.07,150,8.5,180,7.84
20,37.9,7.324948,52,8.06,60,8.29,75,8.73,90,9.24,110,10.14,120,10.23,135,10.29,150,9.46,180,8.65

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.44	5.77	6.23	6.45	6.22	5.91	5.36	4.52
8	6.5	6.83	7.37	7.57	7.4	7.22	6.63	5.67
10	7.33	7.57	7.93	8.11	8.05	7.98	7.61	6.72
12	7.76	7.95	8.17	8.46	8.48	8.44	8.14	7.58
14	7.93	8.14	8.35	8.71	8.86	8.92	8.57	8.1
16	8.01	8.23	8.55	8.89	9.32	9.42	9.07	8.5
20	8.06	8.29	8.73	9.24	10.14	10.23	10.29	9.46

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.53	141.2°	3.92
8	42°	4.32	148°	4.91
10	40.9°	4.95	149°	5.82
12	39.9°	5.41	154.5°	6.62
14	39°	5.6	164°	7.26
16	38.2°	5.68	180°	7.84
20	37.9°	5.78	180°	8.65

Loading polar chart…