Layam: ORC Rating

GPH

621.7

OSN

604.2

LOA

10.972 m

Displacement

6565 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7385

Medium

0.9981

High

1.1456

Triple Offshore

Low

0.9511

Medium

1.2246

High

1.3635

Boat Specifications

Dimensions

Length overall: 10.972 m
Beam: 3.52 m
Draft: 1.98 m
Displacement: 6565 kg
Crew weight: 480 kg
Wetted surface: 28.72 m²

Sails

Mainsail: 39.01 m²
Genoa: 43.08 m²
Spinnaker: 97.23 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 36 SQ
Builder: Dehler
Designer: Judel &Vrolijk
Year built: 2000

Performance data

Polar CSV

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

6,42.7,4.762458,52,5.32,60,5.61,75,5.85,90,5.79,110,5.62,120,5.48,135,4.99,145.3,4.451775,150,4.22
8,41.3,5.590577,52,6.3,60,6.6,75,6.8,90,6.77,110,6.79,120,6.64,135,6.1,150,5.300075
10,41,6.267311,52,6.92,60,7.12,75,7.26,90,7.27,110,7.38,120,7.31,135,6.98,150,6.25,150.9,6.191545
12,39.8,6.560078,52,7.2,60,7.36,75,7.52,90,7.55,110,7.75,120,7.69,135,7.44,150,7.01,156.7,6.69609
14,38.9,6.643168,52,7.31,60,7.5,75,7.72,90,7.8,110,8.09,120,8.07,135,7.8,150,7.43,174.4,6.812513
16,38.5,6.682782,52,7.36,60,7.56,75,7.87,90,8.03,110,8.33,120,8.47,135,8.19,150,7.76,180,7.27
20,38.6,6.692083,52,7.39,60,7.6,75,8.01,90,8.43,110,8.69,120,9.07,135,9.05,150,8.51,180,7.93

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.32	5.61	5.85	5.79	5.62	5.48	4.99	4.22
8	6.3	6.6	6.8	6.77	6.79	6.64	6.1	5.3
10	6.92	7.12	7.26	7.27	7.38	7.31	6.98	6.25
12	7.2	7.36	7.52	7.55	7.75	7.69	7.44	7.01
14	7.31	7.5	7.72	7.8	8.09	8.07	7.8	7.43
16	7.36	7.56	7.87	8.03	8.33	8.47	8.19	7.76
20	7.39	7.6	8.01	8.43	8.69	9.07	9.05	8.51

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.5	145.3°	3.66
8	41.3°	4.2	150°	4.59
10	41°	4.73	150.9°	5.41
12	39.8°	5.04	156.7°	6.15
14	38.9°	5.17	174.4°	6.78
16	38.5°	5.23	180°	7.27
20	38.6°	5.23	180°	7.93

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°	5.32	6.30	6.92	7.20	7.31	7.36	7.39
60°	5.61	6.60	7.12	7.36	7.50	7.56	7.60
75°	5.85	6.80	7.26	7.52	7.72	7.87	8.01
90°	5.79	6.77	7.27	7.55	7.80	8.03	8.43
110°	5.62	6.79	7.38	7.75	8.09	8.33	8.69
120°	5.48	6.64	7.31	7.69	8.07	8.47	9.07
135°	4.99	6.10	6.98	7.44	7.80	8.19	9.05
150°	4.22	5.30	6.25	7.01	7.43	7.76	8.51