THE BOSS I — ORC Rating

GPH

596.2

OSN

578

LOA

12.4 m

Displacement

8573 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6585

Medium

0.9188

High

1.0736

Triple Offshore

Low

0.8592

Medium

1.1457

High

1.2975

Boat Specifications

Dimensions

Length overall: 12.4 m
Beam: 3.91 m
Draft: 2.14 m
Displacement: 8573 kg
Crew weight: 840 kg
Wetted surface: 38.41 m²

Sails

Mainsail: 54.15 m²
Genoa: 39.56 m²
Spinnaker: 123.84 m²
Asymmetric spinnaker: 0 m²

Design

Type: DEHLER 41 Q.B.
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.

6,44.2,4.714674,52,5.28,60,5.66,75,5.98,90,5.91,110,5.93,120,5.76,135,5.18,140,4.895277,150,4.33
8,42.8,5.683291,52,6.36,60,6.73,75,7.05,90,7.07,110,7.23,120,7.06,135,6.44,148,5.601097,150,5.48
10,42,6.459037,52,7.21,60,7.5,75,7.71,90,7.83,110,7.98,120,7.88,135,7.47,149,6.603145,150,6.54
12,41.2,6.924371,52,7.64,60,7.88,75,8.07,90,8.1,110,8.42,120,8.35,135,8.05,150,7.44,154,7.220787
14,40.5,7.048866,52,7.79,60,8.04,75,8.32,90,8.4,110,8.78,120,8.82,135,8.48,150,8.01,163,7.476696
16,40.5,7.140922,52,7.86,60,8.11,75,8.48,90,8.69,110,9.04,120,9.33,135,8.96,150,8.41,180,7.75
20,39.9,7.221392,52,7.95,60,8.17,75,8.59,90,9.15,110,9.53,120,10.03,135,10.16,150,9.34,180,8.57

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.28	5.66	5.98	5.91	5.93	5.76	5.18	4.33
8	6.36	6.73	7.05	7.07	7.23	7.06	6.44	5.48
10	7.21	7.5	7.71	7.83	7.98	7.88	7.47	6.54
12	7.64	7.88	8.07	8.1	8.42	8.35	8.05	7.44
14	7.79	8.04	8.32	8.4	8.78	8.82	8.48	8.01
16	7.86	8.11	8.48	8.69	9.04	9.33	8.96	8.41
20	7.95	8.17	8.59	9.15	9.53	10.03	10.16	9.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.38	140°	3.75
8	42.8°	4.17	148°	4.75
10	42°	4.8	149°	5.66
12	41.2°	5.21	154°	6.49
14	40.5°	5.36	163°	7.15
16	40.5°	5.43	180°	7.75
20	39.9°	5.54	180°	8.57

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