Helder — ORC Rating | RegattaPages

GPH

637.3

OSN

617

LOA

10.222 m

Displacement

4700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.711

Medium

0.9778

High

1.1323

Triple Offshore

Low

0.9165

Medium

1.2

High

1.3501

Boat Specifications

Dimensions

Length overall: 10.222 m
Beam: 3.22 m
Draft: 1.87 m
Displacement: 4700 kg
Crew weight: 647 kg
Wetted surface: 24.31 m²

Sails

Mainsail: 33.04 m²
Genoa: 25.14 m²
Spinnaker: 79.65 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 34
Builder: Dehler
Designer: Dehler
Year built: 2001

Velocity Prediction

Polar CSV

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

6,42.7,4.463104,52,4.99,60,5.26,75,5.48,90,5.48,110,5.56,120,5.41,135,4.91,145.2,4.371922,150,4.15
8,41.1,5.294843,52,5.97,60,6.26,75,6.48,90,6.63,110,6.73,120,6.58,135,6.05,149.4,5.262901,150,5.23
10,40.8,6.010607,52,6.68,60,6.88,75,7.02,90,7.18,110,7.3,120,7.22,135,6.9,150,6.19,150.8,6.140296
12,39.2,6.361746,52,7.01,60,7.18,75,7.33,90,7.41,110,7.68,120,7.62,135,7.35,150,6.93,157.2,6.606187
14,38.4,6.482126,52,7.16,60,7.35,75,7.55,90,7.61,110,8.05,120,8.06,135,7.74,150,7.34,175.1,6.734613
16,38.2,6.540631,52,7.22,60,7.42,75,7.74,90,7.88,110,8.31,120,8.51,135,8.19,150,7.7,180,7.18
20,37.9,6.602592,52,7.26,60,7.47,75,7.92,90,8.37,110,8.73,120,9.19,135,9.25,150,8.56,180,7.89

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.99	5.26	5.48	5.48	5.56	5.41	4.91	4.15
8	5.97	6.26	6.48	6.63	6.73	6.58	6.05	5.23
10	6.68	6.88	7.02	7.18	7.3	7.22	6.9	6.19
12	7.01	7.18	7.33	7.41	7.68	7.62	7.35	6.93
14	7.16	7.35	7.55	7.61	8.05	8.06	7.74	7.34
16	7.22	7.42	7.74	7.88	8.31	8.51	8.19	7.7
20	7.26	7.47	7.92	8.37	8.73	9.19	9.25	8.56

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.28	145.2°	3.59
8	41.1°	3.99	149.4°	4.53
10	40.8°	4.55	150.8°	5.36
12	39.2°	4.93	157.2°	6.09
14	38.4°	5.08	175.1°	6.71
16	38.2°	5.14	180°	7.18
20	37.9°	5.21	180°	7.89

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