Haraka: ORC Rating

GPH

620.4

OSN

605.7

LOA

10.254 m

Displacement

5960 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6542

Medium

0.879

High

1.0138

Triple Offshore

Low

0.8557

Medium

1.0861

High

1.2105

Boat Specifications

Dimensions

Length overall: 10.254 m
Beam: 3.61 m
Draft: 2.1 m
Displacement: 5960 kg
Crew weight: 655 kg
Wetted surface: 27.08 m²

Sails

Mainsail: 39.92 m²
Genoa: 27.95 m²
Spinnaker: 96.02 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 34 2016
Builder: Dehler
Designer: Judel/vrolijk
Year built: 2016
Stability index: 122.4

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,44.8,4.876188,52,5.39,60,5.81,75,6.27,90,6.37,110,5.81,120,5.53,135,5.01,144.8,4.491248,150,4.23
8,43.5,5.73497,52,6.4,60,6.77,75,7.07,90,7.12,110,6.83,120,6.7,135,6.15,149.6,5.344843,150,5.33
10,42.4,6.202135,52,6.87,60,7.14,75,7.42,90,7.47,110,7.38,120,7.31,135,6.99,150,6.3,151.1,6.236689
12,39.9,6.413221,52,7.06,60,7.31,75,7.61,90,7.76,110,7.75,120,7.7,135,7.44,150,7.03,157.7,6.701183
14,38.8,6.531184,52,7.22,60,7.4,75,7.74,90,8.02,110,8.1,120,8.1,135,7.82,150,7.44,170,6.904901
16,38.4,6.596967,52,7.29,60,7.49,75,7.83,90,8.23,110,8.37,120,8.52,135,8.24,150,7.8,178.1,7.273999
20,38.7,6.70143,52,7.33,60,7.56,75,7.97,90,8.48,110,9.02,120,9.16,135,9.17,150,8.61,179,7.961213

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.39	5.81	6.27	6.37	5.81	5.53	5.01	4.23
8	6.4	6.77	7.07	7.12	6.83	6.7	6.15	5.33
10	6.87	7.14	7.42	7.47	7.38	7.31	6.99	6.3
12	7.06	7.31	7.61	7.76	7.75	7.7	7.44	7.03
14	7.22	7.4	7.74	8.02	8.1	8.1	7.82	7.44
16	7.29	7.49	7.83	8.23	8.37	8.52	8.24	7.8
20	7.33	7.56	7.97	8.48	9.02	9.16	9.17	8.61

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	3.46	144.8°	3.67
8	43.5°	4.16	149.6°	4.61
10	42.4°	4.58	151.1°	5.46
12	39.9°	4.92	157.7°	6.2
14	38.8°	5.09	170°	6.8
16	38.4°	5.17	178.1°	7.27
20	38.7°	5.23	179°	7.96

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.39	6.40	6.87	7.06	7.22	7.29	7.33
60°	5.81	6.77	7.14	7.31	7.40	7.49	7.56
75°	6.27	7.07	7.42	7.61	7.74	7.83	7.97
90°	6.37	7.12	7.47	7.76	8.02	8.23	8.48
110°	5.81	6.83	7.38	7.75	8.10	8.37	9.02
120°	5.53	6.70	7.31	7.70	8.10	8.52	9.16
135°	5.01	6.15	6.99	7.44	7.82	8.24	9.17
150°	4.23	5.33	6.30	7.03	7.44	7.80	8.61