MENJAVENTS: ORC Rating

GPH

653.1

OSN

631.7

LOA

11.4 m

Displacement

5890 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6014

Medium

0.8432

High

1.001

Triple Offshore

Low

0.7831

Medium

1.0452

High

1.1946

Boat Specifications

Dimensions

Length overall: 11.4 m
Beam: 3.78 m
Draft: 1.9 m
Displacement: 5890 kg
Crew weight: 450 kg
Wetted surface: 26.63 m²

Sails

Mainsail: 35.79 m²
Genoa: 36.42 m²
Spinnaker: 81.52 m²
Asymmetric spinnaker: 0 m²

Design

Type: DEHLER 38
Builder: DEHLER
Designer: Van der Stadt
Year built: 1980
Stability index: 128.4

Performance data

Polar CSV

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

6,44.8,4.397025,52,4.86,60,5.19,75,5.46,90,5.4,110,5.35,120,5.19,135,4.67,145.7,4.103628,150,3.91
8,43.2,5.226562,52,5.82,60,6.16,75,6.44,90,6.42,110,6.53,120,6.37,135,5.79,149.6,5.02021,150,5
10,42.4,5.904216,52,6.55,60,6.81,75,7,90,7.1,110,7.2,120,7.11,135,6.72,150,5.96,151.1,5.905436
12,40.8,6.34086,52,6.97,60,7.15,75,7.3,90,7.46,110,7.59,120,7.52,135,7.25,150,6.78,155.9,6.496251
14,39.9,6.582676,52,7.18,60,7.36,75,7.54,90,7.69,110,7.97,120,7.9,135,7.62,150,7.26,166.4,6.749242
16,39.3,6.680966,52,7.29,60,7.5,75,7.76,90,7.88,110,8.35,120,8.3,135,8.01,150,7.6,177.2,7.088463
20,39,6.74262,52,7.37,60,7.63,75,8.08,90,8.38,110,8.83,120,9.1,135,8.83,150,8.35,179,7.771184

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.86	5.19	5.46	5.4	5.35	5.19	4.67	3.91
8	5.82	6.16	6.44	6.42	6.53	6.37	5.79	5
10	6.55	6.81	7	7.1	7.2	7.11	6.72	5.96
12	6.97	7.15	7.3	7.46	7.59	7.52	7.25	6.78
14	7.18	7.36	7.54	7.69	7.97	7.9	7.62	7.26
16	7.29	7.5	7.76	7.88	8.35	8.3	8.01	7.6
20	7.37	7.63	8.08	8.38	8.83	9.1	8.83	8.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	3.12	145.7°	3.39
8	43.2°	3.81	149.6°	4.33
10	42.4°	4.36	151.1°	5.17
12	40.8°	4.8	155.9°	5.93
14	39.9°	5.05	166.4°	6.56
16	39.3°	5.17	177.2°	7.08
20	39°	5.24	179°	7.77

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°	4.86	5.82	6.55	6.97	7.18	7.29	7.37
60°	5.19	6.16	6.81	7.15	7.36	7.50	7.63
75°	5.46	6.44	7.00	7.30	7.54	7.76	8.08
90°	5.40	6.42	7.10	7.46	7.69	7.88	8.38
110°	5.35	6.53	7.20	7.59	7.97	8.35	8.83
120°	5.19	6.37	7.11	7.52	7.90	8.30	9.10
135°	4.67	5.79	6.72	7.25	7.62	8.01	8.83
150°	3.91	5.00	5.96	6.78	7.26	7.60	8.35