Da Capo: ORC Rating

GPH

616.3

OSN

598

LOA

11.785 m

Displacement

8043 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6427

Medium

0.8888

High

1.0337

Triple Offshore

Low

0.8403

Medium

1.1043

High

1.2435

Boat Specifications

Dimensions

Length overall: 11.785 m
Beam: 3.79 m
Draft: 1.98 m
Displacement: 8043 kg
Crew weight: 785 kg
Wetted surface: 33.18 m²

Sails

Mainsail: 46.76 m²
Genoa: 34.73 m²
Spinnaker: 102.67 m²
Asymmetric spinnaker: 90.24 m²

Design

Type: Dehler 39
Builder: Dehler
Designer: Judel & Vrolijk
Year built: 2000
Stability index: 122.8

Performance data

Polar CSV

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

6,44.4,4.702769,52,5.2,60,5.52,75,5.88,90,6.1,110,5.89,120,5.56,135,4.93,143.9,4.430749,150,4.14
8,42.4,5.592755,52,6.21,60,6.5,75,6.9,90,7.13,110,7,120,6.72,135,6.13,148.7,5.371821,150,5.29
10,40.8,6.182339,52,6.89,60,7.13,75,7.45,90,7.67,110,7.63,120,7.49,135,7.06,150,6.29,151.6,6.207024
12,40,6.579253,52,7.28,60,7.49,75,7.7,90,8.01,110,8.04,120,7.96,135,7.64,150,7.1,155.9,6.813943
14,39.4,6.729357,52,7.48,60,7.7,75,7.92,90,8.24,110,8.41,120,8.36,135,8.06,150,7.64,164.6,7.105106
16,39.4,6.832885,52,7.58,60,7.81,75,8.11,90,8.4,110,8.75,120,8.74,135,8.47,150,8.04,175.4,7.433946
20,39.4,6.88465,52,7.65,60,7.91,75,8.34,90,8.67,110,9.32,120,9.49,135,9.33,150,8.81,179,8.191248

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.52	5.88	6.1	5.89	5.56	4.93	4.14
8	6.21	6.5	6.9	7.13	7	6.72	6.13	5.29
10	6.89	7.13	7.45	7.67	7.63	7.49	7.06	6.29
12	7.28	7.49	7.7	8.01	8.04	7.96	7.64	7.1
14	7.48	7.7	7.92	8.24	8.41	8.36	8.06	7.64
16	7.58	7.81	8.11	8.4	8.75	8.74	8.47	8.04
20	7.65	7.91	8.34	8.67	9.32	9.49	9.33	8.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.36	143.9°	3.58
8	42.4°	4.13	148.7°	4.59
10	40.8°	4.68	151.6°	5.46
12	40°	5.04	155.9°	6.22
14	39.4°	5.2	164.6°	6.85
16	39.4°	5.28	175.4°	7.41
20	39.4°	5.32	179°	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°	5.20	6.21	6.89	7.28	7.48	7.58	7.65
60°	5.52	6.50	7.13	7.49	7.70	7.81	7.91
75°	5.88	6.90	7.45	7.70	7.92	8.11	8.34
90°	6.10	7.13	7.67	8.01	8.24	8.40	8.67
110°	5.89	7.00	7.63	8.04	8.41	8.75	9.32
120°	5.56	6.72	7.49	7.96	8.36	8.74	9.49
135°	4.93	6.13	7.06	7.64	8.06	8.47	9.33
150°	4.14	5.29	6.29	7.10	7.64	8.04	8.81