Kirsten: ORC Rating

GPH

630.2

OSN

612.6

LOA

11.01 m

Displacement

5309 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6418

Medium

0.8751

High

1.0082

Triple Offshore

Low

0.8301

Medium

1.0758

High

1.204

Boat Specifications

Dimensions

Length overall: 11.01 m
Beam: 3.5 m
Draft: 2.05 m
Displacement: 5309 kg
Crew weight: 550 kg
Wetted surface: 26.75 m²

Sails

Mainsail: 44.82 m²
Genoa: 26.47 m²
Spinnaker: 78.87 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 37 DB
Builder: Dehler Yachtbau
Designer: Dehler/v.d.Stadt
Year built: 1995

Performance data

Polar CSV

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

6,42.4,4.617747,52,5.2,60,5.5,75,5.74,90,5.67,110,5.66,120,5.46,135,4.9,145,4.345958,150,4.11
8,41.2,5.488993,52,6.17,60,6.45,75,6.66,90,6.74,110,6.77,120,6.61,135,6.01,150,5.184605
10,40.5,6.154607,52,6.8,60,6.99,75,7.13,90,7.26,110,7.32,120,7.23,135,6.87,150,6.13,152,6.025273
12,39,6.408063,52,7.07,60,7.25,75,7.42,90,7.53,110,7.73,120,7.64,135,7.34,150,6.89,158,6.535921
14,38.6,6.512945,52,7.18,60,7.38,75,7.64,90,7.73,110,8.13,120,8.07,135,7.73,150,7.33,180,6.72
16,38.6,6.564127,52,7.23,60,7.44,75,7.8,90,8.01,110,8.42,120,8.5,135,8.16,150,7.7,180,7.2
20,38.6,6.679288,52,7.32,60,7.52,75,7.93,90,8.42,110,8.81,120,9.2,135,9.07,150,8.51,180,7.94

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.5	5.74	5.67	5.66	5.46	4.9	4.11
8	6.17	6.45	6.66	6.74	6.77	6.61	6.01	5.19
10	6.8	6.99	7.13	7.26	7.32	7.23	6.87	6.13
12	7.07	7.25	7.42	7.53	7.73	7.64	7.34	6.89
14	7.18	7.38	7.64	7.73	8.13	8.07	7.73	7.33
16	7.23	7.44	7.8	8.01	8.42	8.5	8.16	7.7
20	7.32	7.52	7.93	8.42	8.81	9.2	9.07	8.51

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.41	145°	3.56
8	41.2°	4.13	150°	4.49
10	40.5°	4.68	152°	5.32
12	39°	4.98	158°	6.06
14	38.6°	5.09	180°	6.72
16	38.6°	5.13	180°	7.2
20	38.6°	5.22	180°	7.94

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	6.17	6.80	7.07	7.18	7.23	7.32
60°	5.50	6.45	6.99	7.25	7.38	7.44	7.52
75°	5.74	6.66	7.13	7.42	7.64	7.80	7.93
90°	5.67	6.74	7.26	7.53	7.73	8.01	8.42
110°	5.66	6.77	7.32	7.73	8.13	8.42	8.81
120°	5.46	6.61	7.23	7.64	8.07	8.50	9.20
135°	4.90	6.01	6.87	7.34	7.73	8.16	9.07
150°	4.11	5.19	6.13	6.89	7.33	7.70	8.51