Woodpecker — ORC Rating

GPH

681

OSN

662.7

LOA

8.75 m

Displacement

3400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5964

Medium

0.8111

High

0.9255

Triple Offshore

Low

0.7717

Medium

0.9936

High

1.1062

Boat Specifications

Dimensions

Length overall: 8.75 m
Beam: 3.02 m
Draft: 1.61 m
Displacement: 3400 kg
Crew weight: 450 kg
Wetted surface: 19.17 m²

Sails

Mainsail: 26.92 m²
Genoa: 25.25 m²
Spinnaker: 56.31 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 29
Builder: Dehler Yachtbau
Designer: Judel/Vrolijk
Year built: 1997

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.

6,42.8,4.306762,52,4.85,60,5.15,75,5.39,90,5.32,110,5.24,120,5.07,135,4.59,147,3.982493,150,3.86
8,42.4,5.118793,52,5.72,60,6,75,6.2,90,6.19,110,6.25,120,6.12,135,5.6,150,4.86,151.5,4.79053
10,41.2,5.688351,52,6.27,60,6.44,75,6.58,90,6.67,110,6.73,120,6.66,135,6.38,150,5.75,151.5,5.678087
12,39.8,5.948325,52,6.52,60,6.68,75,6.83,90,6.94,110,7.09,120,7.02,135,6.78,150,6.43,162,6.003849
14,39,6.022035,52,6.63,60,6.81,75,7.03,90,7.1,110,7.46,120,7.4,135,7.13,150,6.79,180,6.3
16,39.4,6.108185,52,6.67,60,6.87,75,7.18,90,7.35,110,7.79,120,7.81,135,7.52,150,7.11,180,6.69
20,39.6,6.047917,52,6.68,60,6.89,75,7.31,90,7.75,110,8.16,120,8.56,135,8.36,150,7.85,180,7.33

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.85	5.15	5.39	5.32	5.24	5.07	4.59	3.86
8	5.72	6	6.2	6.19	6.25	6.12	5.6	4.86
10	6.27	6.44	6.58	6.67	6.73	6.66	6.38	5.75
12	6.52	6.68	6.83	6.94	7.09	7.02	6.78	6.43
14	6.63	6.81	7.03	7.1	7.46	7.4	7.13	6.79
16	6.67	6.87	7.18	7.35	7.79	7.81	7.52	7.11
20	6.68	6.89	7.31	7.75	8.16	8.56	8.36	7.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.16	147°	3.34
8	42.4°	3.78	151.5°	4.21
10	41.2°	4.28	151.5°	4.99
12	39.8°	4.57	162°	5.71
14	39°	4.68	180°	6.3
16	39.4°	4.72	180°	6.69
20	39.6°	4.66	180°	7.33

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