Boekanier — ORC Rating

GPH

609.1

OSN

591.1

LOA

11.995 m

Displacement

7431 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7366

Medium

1.0126

High

1.1819

Triple Offshore

Low

0.9564

Medium

1.2558

High

1.4195

Boat Specifications

Dimensions

Length overall: 11.995 m
Beam: 3.79 m
Draft: 1.95 m
Displacement: 7431 kg
Crew weight: 600 kg
Wetted surface: 32.79 m²

Sails

Mainsail: 49.56 m²
Genoa: 32.95 m²
Spinnaker: 106.38 m²
Asymmetric spinnaker: 0 m²

Design

Type: DEHLER 39 SQ
Builder: DEHLER
Designer: JUDEL/VROLIJK
Year built: 2003

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.

6,43.9,4.690854,52,5.24,60,5.58,75,5.87,90,5.82,110,5.85,120,5.69,135,5.13,144.1,4.617047,150,4.32
8,42.5,5.574564,52,6.24,60,6.59,75,6.88,90,6.95,110,7.07,120,6.92,135,6.32,148.7,5.523964,150,5.45
10,41.7,6.268096,52,7,60,7.27,75,7.46,90,7.6,110,7.72,120,7.64,135,7.26,150,6.44,150.7,6.398574
12,41.2,6.751594,52,7.4,60,7.61,75,7.79,90,7.86,110,8.13,120,8.07,135,7.78,150,7.27,155.4,6.983885
14,40.5,6.917358,52,7.59,60,7.8,75,8.03,90,8.1,110,8.51,120,8.5,135,8.18,150,7.75,170,7.097832
16,40.1,6.981109,52,7.66,60,7.89,75,8.23,90,8.38,110,8.76,120,8.96,135,8.62,150,8.13,180,7.56
20,39.6,7.047251,52,7.72,60,7.96,75,8.43,90,8.89,110,9.18,120,9.6,135,9.64,150,8.99,180,8.31

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.24	5.58	5.87	5.82	5.85	5.69	5.13	4.32
8	6.24	6.59	6.88	6.95	7.07	6.92	6.32	5.45
10	7	7.27	7.46	7.6	7.72	7.64	7.26	6.44
12	7.4	7.61	7.79	7.86	8.13	8.07	7.78	7.27
14	7.59	7.8	8.03	8.1	8.51	8.5	8.18	7.75
16	7.66	7.89	8.23	8.38	8.76	8.96	8.62	8.13
20	7.72	7.96	8.43	8.89	9.18	9.6	9.64	8.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.38	144.1°	3.74
8	42.5°	4.11	148.7°	4.72
10	41.7°	4.68	150.7°	5.58
12	41.2°	5.08	155.4°	6.35
14	40.5°	5.26	170°	6.99
16	40.1°	5.34	180°	7.56
20	39.6°	5.43	180°	8.31

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