Ramhout: ORC Rating

GPH

626

OSN

607.4

LOA

10.515 m

Displacement

6047 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6488

Medium

0.8842

High

1.0202

Triple Offshore

Low

0.837

Medium

1.0821

High

1.2099

Boat Specifications

Dimensions

Length overall: 10.515 m
Beam: 3.47 m
Draft: 2.01 m
Displacement: 6047 kg
Crew weight: 680 kg
Wetted surface: 27.69 m²

Sails

Mainsail: 41.19 m²
Genoa: 32.67 m²
Spinnaker: 96.23 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 34SV
Builder: Dehler
Designer: Simonis en Voogd
Year built: 2007
Stability index: 127.2

Performance data

Polar CSV

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

6,43,4.621567,52,5.19,60,5.49,75,5.74,90,5.66,110,5.72,120,5.56,135,5.04,144.8,4.527961,150,4.27
8,41.8,5.459599,52,6.13,60,6.44,75,6.66,90,6.73,110,6.84,120,6.71,135,6.17,149.8,5.368663,150,5.36
10,41.2,6.15352,52,6.79,60,6.98,75,7.13,90,7.26,110,7.37,120,7.3,135,6.99,150,6.32,151.6,6.229761
12,39.4,6.470535,52,7.1,60,7.26,75,7.4,90,7.5,110,7.74,120,7.68,135,7.43,150,7.02,158.3,6.672891
14,38.7,6.598923,52,7.25,60,7.43,75,7.62,90,7.69,110,8.1,120,8.08,135,7.8,150,7.43,171.8,6.87024
16,38.2,6.642431,52,7.31,60,7.51,75,7.81,90,7.95,110,8.36,120,8.51,135,8.22,150,7.78,179,7.261106
20,38.2,6.74423,52,7.36,60,7.57,75,7.99,90,8.41,110,8.74,120,9.14,135,9.15,150,8.59,179,7.951211

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.19	5.49	5.74	5.66	5.72	5.56	5.04	4.27
8	6.13	6.44	6.66	6.73	6.84	6.71	6.17	5.36
10	6.79	6.98	7.13	7.26	7.37	7.3	6.99	6.32
12	7.1	7.26	7.4	7.5	7.74	7.68	7.43	7.02
14	7.25	7.43	7.62	7.69	8.1	8.08	7.8	7.43
16	7.31	7.51	7.81	7.95	8.36	8.51	8.22	7.78
20	7.36	7.57	7.99	8.41	8.74	9.14	9.15	8.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.38	144.8°	3.7
8	41.8°	4.07	149.8°	4.64
10	41.2°	4.63	151.6°	5.48
12	39.4°	5	158.3°	6.2
14	38.7°	5.15	171.8°	6.8
16	38.2°	5.22	179°	7.26
20	38.2°	5.3	179°	7.95

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°	5.19	6.13	6.79	7.10	7.25	7.31	7.36
60°	5.49	6.44	6.98	7.26	7.43	7.51	7.57
75°	5.74	6.66	7.13	7.40	7.62	7.81	7.99
90°	5.66	6.73	7.26	7.50	7.69	7.95	8.41
110°	5.72	6.84	7.37	7.74	8.10	8.36	8.74
120°	5.56	6.71	7.30	7.68	8.08	8.51	9.14
135°	5.04	6.17	6.99	7.43	7.80	8.22	9.15
150°	4.27	5.36	6.32	7.02	7.43	7.78	8.59