Stern: ORC Rating

GPH

624.2

OSN

606

LOA

11.293 m

Displacement

7339 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6371

Medium

0.8719

High

1.0103

Triple Offshore

Low

0.8293

Medium

1.09

High

1.2265

Boat Specifications

Dimensions

Length overall: 11.293 m
Beam: 3.76 m
Draft: 2.03 m
Displacement: 7339 kg
Crew weight: 748 kg
Wetted surface: 31.46 m²

Sails

Mainsail: 42.65 m²
Genoa: 33.17 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 108.54 m²

Design

Type: Dehler 38C
Builder: Dehler
Designer: Judel & Vrolijk
Year built: 2012

Performance data

Polar CSV

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

6,43.9,4.510436,52,5.07,60,5.4,75,5.66,90,5.74,110,5.8,120,5.62,135,5.05,144,4.561091,150,4.26
8,42,5.328706,52,6.03,60,6.37,75,6.66,90,6.88,110,7,120,6.82,135,6.21,147.8,5.483382,150,5.36
10,42,6.08226,52,6.79,60,7.07,75,7.28,90,7.53,110,7.63,120,7.53,135,7.14,147.5,6.462005,150,6.3
12,40.9,6.575349,52,7.25,60,7.45,75,7.62,90,7.83,110,8.02,120,7.94,135,7.65,148.8,7.119774,150,7.04
14,40.1,6.785011,52,7.47,60,7.67,75,7.86,90,7.96,110,8.4,120,8.35,135,8.03,150,7.46,151.2,7.394671
16,39.8,6.859447,52,7.56,60,7.78,75,8.06,90,8.16,110,8.71,120,8.79,135,8.44,150,7.78,175.5,7.061769
20,39.8,6.898495,52,7.59,60,7.84,75,8.28,90,8.66,110,9.13,120,9.58,135,9.36,150,8.38,178,7.804754

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.07	5.4	5.66	5.74	5.8	5.62	5.05	4.26
8	6.03	6.37	6.66	6.88	7	6.82	6.21	5.36
10	6.79	7.07	7.28	7.53	7.63	7.53	7.14	6.3
12	7.25	7.45	7.62	7.83	8.02	7.94	7.65	7.04
14	7.47	7.67	7.86	7.96	8.4	8.35	8.03	7.46
16	7.56	7.78	8.06	8.16	8.71	8.79	8.44	7.78
20	7.59	7.84	8.28	8.66	9.13	9.58	9.36	8.38

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.25	144°	3.69
8	42°	3.96	147.8°	4.64
10	42°	4.52	147.5°	5.45
12	40.9°	4.97	148.8°	6.09
14	40.1°	5.19	151.2°	6.48
16	39.8°	5.27	175.5°	7.04
20	39.8°	5.3	178°	7.8

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°	5.07	6.03	6.79	7.25	7.47	7.56	7.59
60°	5.40	6.37	7.07	7.45	7.67	7.78	7.84
75°	5.66	6.66	7.28	7.62	7.86	8.06	8.28
90°	5.74	6.88	7.53	7.83	7.96	8.16	8.66
110°	5.80	7.00	7.63	8.02	8.40	8.71	9.13
120°	5.62	6.82	7.53	7.94	8.35	8.79	9.58
135°	5.05	6.21	7.14	7.65	8.03	8.44	9.36
150°	4.26	5.36	6.30	7.04	7.46	7.78	8.38