Helder: ORC Rating

GPH

643.5

OSN

623.5

LOA

10.222 m

Displacement

5141 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6253

Medium

0.8584

High

0.9997

Triple Offshore

Low

0.8077

Medium

1.0553

High

1.189

Boat Specifications

Dimensions

Length overall: 10.222 m
Beam: 3.22 m
Draft: 1.89 m
Displacement: 5141 kg
Crew weight: 664 kg
Wetted surface: 25.02 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.

6,43.1,4.423674,52,4.96,60,5.25,75,5.47,90,5.48,110,5.55,120,5.39,135,4.89,145,4.382581,150,4.14
8,41.2,5.196601,52,5.89,60,6.2,75,6.44,90,6.56,110,6.69,120,6.55,135,6.01,149.5,5.23427,150,5.21
10,40.9,5.887385,52,6.57,60,6.79,75,6.97,90,7.13,110,7.25,120,7.18,135,6.86,150,6.14,151,6.082644
12,39.8,6.32579,52,6.94,60,7.11,75,7.25,90,7.38,110,7.61,120,7.56,135,7.31,150,6.88,157,6.561617
14,38.6,6.461763,52,7.12,60,7.29,75,7.47,90,7.52,110,7.96,120,7.95,135,7.67,150,7.29,176,6.676263
16,38.2,6.515181,52,7.19,60,7.39,75,7.65,90,7.76,110,8.21,120,8.38,135,8.08,150,7.63,180,7.14
20,37.9,6.5519,52,7.22,60,7.45,75,7.87,90,8.24,110,8.61,120,9.02,135,9.04,150,8.42,180,7.81

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.96	5.25	5.47	5.48	5.55	5.39	4.89	4.14
8	5.89	6.2	6.44	6.56	6.69	6.55	6.01	5.21
10	6.57	6.79	6.97	7.13	7.25	7.18	6.86	6.14
12	6.94	7.11	7.25	7.38	7.61	7.56	7.31	6.88
14	7.12	7.29	7.47	7.52	7.96	7.95	7.67	7.29
16	7.19	7.39	7.65	7.76	8.21	8.38	8.08	7.63
20	7.22	7.45	7.87	8.24	8.61	9.02	9.04	8.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.23	145°	3.59
8	41.2°	3.91	149.5°	4.51
10	40.9°	4.45	151°	5.32
12	39.8°	4.86	157°	6.04
14	38.6°	5.05	176°	6.66
16	38.2°	5.12	180°	7.14
20	37.9°	5.17	180°	7.81

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°	4.96	5.89	6.57	6.94	7.12	7.19	7.22
60°	5.25	6.20	6.79	7.11	7.29	7.39	7.45
75°	5.47	6.44	6.97	7.25	7.47	7.65	7.87
90°	5.48	6.56	7.13	7.38	7.52	7.76	8.24
110°	5.55	6.69	7.25	7.61	7.96	8.21	8.61
120°	5.39	6.55	7.18	7.56	7.95	8.38	9.02
135°	4.89	6.01	6.86	7.31	7.67	8.08	9.04
150°	4.14	5.21	6.14	6.88	7.29	7.63	8.42