Kiet: ORC Rating

GPH

607.8

OSN

591.7

LOA

11.79 m

Displacement

7797 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6649

Medium

0.8998

High

1.0339

Triple Offshore

Low

0.8621

Medium

1.1148

High

1.2445

Boat Specifications

Dimensions

Length overall: 11.79 m
Beam: 3.79 m
Draft: 1.97 m
Displacement: 7797 kg
Crew weight: 480 kg
Wetted surface: 32.91 m²

Sails

Mainsail: 47.5 m²
Genoa: 50.83 m²
Spinnaker: 104.7 m²
Asymmetric spinnaker: 82.78 m²

Design

Type: Dehler 39
Builder: Dehler
Designer: Judel & Vrolijk
Year built: 1998

Performance data

Polar CSV

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

6,43.9,4.912906,52,5.45,60,5.78,75,6.07,90,6.03,110,5.77,120,5.59,135,5.06,144.5,4.532526,150,4.26
8,42,5.745852,52,6.46,60,6.79,75,7.04,90,7.03,110,6.95,120,6.8,135,6.22,149,5.424845,150,5.37
10,42,6.459037,52,7.12,60,7.36,75,7.53,90,7.59,110,7.62,120,7.54,135,7.16,150,6.35,151,6.288447
12,40.9,6.720879,52,7.4,60,7.62,75,7.8,90,7.92,110,8.01,120,7.95,135,7.69,150,7.18,155,6.91818
14,40.1,6.811157,52,7.52,60,7.73,75,8,90,8.16,110,8.37,120,8.34,135,8.06,150,7.66,170,7.016598
16,39.8,6.859447,52,7.57,60,7.79,75,8.12,90,8.36,110,8.73,120,8.77,135,8.46,150,8.02,180,7.48
20,39.9,6.882482,52,7.58,60,7.83,75,8.24,90,8.75,110,9.39,120,9.55,135,9.4,150,8.81,180,8.19

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.45	5.78	6.07	6.03	5.77	5.59	5.06	4.26
8	6.46	6.79	7.04	7.03	6.95	6.8	6.22	5.37
10	7.12	7.36	7.53	7.59	7.62	7.54	7.16	6.35
12	7.4	7.62	7.8	7.92	8.01	7.95	7.69	7.18
14	7.52	7.73	8	8.16	8.37	8.34	8.06	7.66
16	7.57	7.79	8.12	8.36	8.73	8.77	8.46	8.02
20	7.58	7.83	8.24	8.75	9.39	9.55	9.4	8.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.54	144.5°	3.69
8	42°	4.27	149°	4.65
10	42°	4.8	151°	5.5
12	40.9°	5.08	155°	6.27
14	40.1°	5.21	170°	6.91
16	39.8°	5.27	180°	7.48
20	39.9°	5.28	180°	8.19

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°	5.45	6.46	7.12	7.40	7.52	7.57	7.58
60°	5.78	6.79	7.36	7.62	7.73	7.79	7.83
75°	6.07	7.04	7.53	7.80	8.00	8.12	8.24
90°	6.03	7.03	7.59	7.92	8.16	8.36	8.75
110°	5.77	6.95	7.62	8.01	8.37	8.73	9.39
120°	5.59	6.80	7.54	7.95	8.34	8.77	9.55
135°	5.06	6.22	7.16	7.69	8.06	8.46	9.40
150°	4.26	5.37	6.35	7.18	7.66	8.02	8.81