SMEIS: ORC Rating

GPH

641.2

OSN

622.7

LOA

10.21 m

Displacement

4752 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7109

Medium

0.9665

High

1.1113

Triple Offshore

Low

0.9181

Medium

1.1902

High

1.327

Boat Specifications

Dimensions

Length overall: 10.21 m
Beam: 3.22 m
Draft: 1.87 m
Displacement: 4752 kg
Crew weight: 320 kg
Wetted surface: 24.5 m²

Sails

Mainsail: 32.19 m²
Genoa: 32.44 m²
Spinnaker: 72.99 m²
Asymmetric spinnaker: 69.66 m²

Design

Type: DEHLER 34
Builder: DEHLER
Designer: V. DE STADT
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.

6,42.8,4.565713,52,5.11,60,5.39,75,5.63,90,5.57,110,5.51,120,5.32,135,4.79,145.2,4.262319,150,4.04
8,41.2,5.40925,52,6.1,60,6.4,75,6.61,90,6.59,110,6.66,120,6.47,135,5.9,149.6,5.13615,150,5.12
10,40.6,6.032099,52,6.72,60,6.93,75,7.09,90,7.14,110,7.23,120,7.14,135,6.78,150,6.06,151.6,5.968293
12,39.7,6.316614,52,6.98,60,7.17,75,7.34,90,7.39,110,7.59,120,7.53,135,7.27,150,6.82,156.6,6.515903
14,39,6.395195,52,7.08,60,7.27,75,7.53,90,7.63,110,7.92,120,7.92,135,7.63,150,7.26,175,6.635249
16,38.7,6.445161,52,7.12,60,7.33,75,7.65,90,7.87,110,8.13,120,8.33,135,8.05,150,7.61,180,7.11
20,38.7,6.496415,52,7.16,60,7.36,75,7.75,90,8.23,110,8.5,120,8.89,135,9.02,150,8.42,180,7.81

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.11	5.39	5.63	5.57	5.51	5.32	4.79	4.04
8	6.1	6.4	6.61	6.59	6.66	6.47	5.9	5.12
10	6.72	6.93	7.09	7.14	7.23	7.14	6.78	6.06
12	6.98	7.17	7.34	7.39	7.59	7.53	7.27	6.82
14	7.08	7.27	7.53	7.63	7.92	7.92	7.63	7.26
16	7.12	7.33	7.65	7.87	8.13	8.33	8.05	7.61
20	7.16	7.36	7.75	8.23	8.5	8.89	9.02	8.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.35	145.2°	3.5
8	41.2°	4.07	149.6°	4.43
10	40.6°	4.58	151.6°	5.25
12	39.7°	4.86	156.6°	5.98
14	39°	4.97	175°	6.61
16	38.7°	5.03	180°	7.11
20	38.7°	5.07	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°	5.11	6.10	6.72	6.98	7.08	7.12	7.16
60°	5.39	6.40	6.93	7.17	7.27	7.33	7.36
75°	5.63	6.61	7.09	7.34	7.53	7.65	7.75
90°	5.57	6.59	7.14	7.39	7.63	7.87	8.23
110°	5.51	6.66	7.23	7.59	7.92	8.13	8.50
120°	5.32	6.47	7.14	7.53	7.92	8.33	8.89
135°	4.79	5.90	6.78	7.27	7.63	8.05	9.02
150°	4.04	5.12	6.06	6.82	7.26	7.61	8.42