Helder: ORC Rating

GPH

643.9

OSN

621.9

LOA

10.222 m

Displacement

5141 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6246

Medium

0.862

High

1.0035

Triple Offshore

Low

0.8047

Medium

1.0568

High

1.1901

Boat Specifications

Dimensions

Length overall: 10.222 m
Beam: 3.22 m
Draft: 1.89 m
Displacement: 5141 kg
Crew weight: 663 kg
Wetted surface: 25.18 m²

Sails

Mainsail: 32.64 m²
Genoa: 24.1 m²
Spinnaker: 79.65 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 34
Builder: Dehler
Designer: Dehler
Year built: 2001

Performance data

Polar CSV

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

6,43.8,4.516735,52,4.99,60,5.25,75,5.42,90,5.43,110,5.49,120,5.33,135,4.79,143.9,4.331737,150,4.04
8,41.5,5.34077,52,5.95,60,6.2,75,6.38,90,6.48,110,6.62,120,6.47,135,5.94,148.7,5.219678,150,5.15
10,39.8,5.909277,52,6.58,60,6.78,75,6.93,90,7.07,110,7.23,120,7.15,135,6.78,150,6.1,152,5.991296
12,38.6,6.269829,52,6.94,60,7.11,75,7.26,90,7.36,110,7.62,120,7.57,135,7.3,150,6.83,157.2,6.508558
14,37.9,6.437844,52,7.12,60,7.3,75,7.49,90,7.53,110,7.94,120,7.95,135,7.69,150,7.3,168.2,6.742486
16,37.5,6.516642,52,7.22,60,7.42,75,7.68,90,7.78,110,8.2,120,8.31,135,8.09,150,7.67,177.2,7.108487
20,37.5,6.592271,52,7.3,60,7.52,75,7.9,90,8.19,110,8.54,120,8.93,135,8.93,150,8.42,178.3,7.813439
24,38,6.598895,52,7.31,60,7.54,75,8,90,8.46,110,8.78,120,9.34,135,10.06,150,9.32,178.1,8.534692

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.99	5.25	5.42	5.43	5.49	5.33	4.79	4.04
8	5.95	6.2	6.38	6.48	6.62	6.47	5.94	5.15
10	6.58	6.78	6.93	7.07	7.23	7.15	6.78	6.1
12	6.94	7.11	7.26	7.36	7.62	7.57	7.3	6.83
14	7.12	7.3	7.49	7.53	7.94	7.95	7.69	7.3
16	7.22	7.42	7.68	7.78	8.2	8.31	8.09	7.67
20	7.3	7.52	7.9	8.19	8.54	8.93	8.93	8.42
24	7.31	7.54	8	8.46	8.78	9.34	10.06	9.32

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.26	143.9°	3.5
8	41.5°	4	148.7°	4.46
10	39.8°	4.54	152°	5.29
12	38.6°	4.9	157.2°	6
14	37.9°	5.08	168.2°	6.6
16	37.5°	5.17	177.2°	7.1
20	37.5°	5.23	178.3°	7.81
24	38°	5.2	178.1°	8.53

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.99	5.95	6.58	6.94	7.12	7.22	7.30	7.31
60°	5.25	6.20	6.78	7.11	7.30	7.42	7.52	7.54
75°	5.42	6.38	6.93	7.26	7.49	7.68	7.90	8.00
90°	5.43	6.48	7.07	7.36	7.53	7.78	8.19	8.46
110°	5.49	6.62	7.23	7.62	7.94	8.20	8.54	8.78
120°	5.33	6.47	7.15	7.57	7.95	8.31	8.93	9.34
135°	4.79	5.94	6.78	7.30	7.69	8.09	8.93	10.06
150°	4.04	5.15	6.10	6.83	7.30	7.67	8.42	9.32