Whisper — ORC Rating | RegattaPages

GPH

631.4

OSN

616.1

LOA

10.5 m

Displacement

5796 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7307

Medium

0.9698

High

1.0905

Triple Offshore

Low

0.9444

Medium

1.2041

High

1.3227

Boat Specifications

Dimensions

Length overall: 10.5 m
Beam: 3.47 m
Draft: 2 m
Displacement: 5796 kg
Crew weight: 663 kg
Wetted surface: 27.25 m²

Sails

Mainsail: 41 m²
Genoa: 32.9 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 106.73 m²

Design

Type: Dehler 35
Builder: Dehler YB
Designer: Simonis Voogd
Year built: 2007

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.

6,43,4.59422,52,5.13,60,5.41,75,5.65,90,5.76,110,5.82,120,5.66,135,5.1,144.4,4.599676,150,4.32
8,41.7,5.410921,52,6.09,60,6.4,75,6.63,90,6.85,110,6.94,120,6.8,135,6.25,148.1,5.500772,150,5.39
10,41.4,6.065768,52,6.75,60,6.97,75,7.14,90,7.3,110,7.45,120,7.36,135,7.06,148.2,6.447873,150,6.33
12,40.8,6.367281,52,7.02,60,7.22,75,7.41,90,7.47,110,7.8,120,7.76,135,7.49,150,6.98,150.1,6.967381
14,40.4,6.434345,52,7.1,60,7.32,75,7.59,90,7.71,110,8.08,120,8.19,135,7.87,150,7.33,174,6.475473
16,40.5,6.470228,52,7.14,60,7.36,75,7.69,90,7.94,110,8.29,120,8.59,135,8.32,150,7.61,176.8,7.000916
20,40.6,6.572091,52,7.23,60,7.44,75,7.76,90,8.25,110,8.66,120,9.09,135,9.29,150,8.29,178,7.654663

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.13	5.41	5.65	5.76	5.82	5.66	5.1	4.32
8	6.09	6.4	6.63	6.85	6.94	6.8	6.25	5.39
10	6.75	6.97	7.14	7.3	7.45	7.36	7.06	6.33
12	7.02	7.22	7.41	7.47	7.8	7.76	7.49	6.98
14	7.1	7.32	7.59	7.71	8.08	8.19	7.87	7.33
16	7.14	7.36	7.69	7.94	8.29	8.59	8.32	7.61
20	7.23	7.44	7.76	8.25	8.66	9.09	9.29	8.29

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.36	144.4°	3.74
8	41.7°	4.04	148.1°	4.67
10	41.4°	4.55	148.2°	5.48
12	40.8°	4.82	150.1°	6.04
14	40.4°	4.9	174°	6.44
16	40.5°	4.92	176.8°	6.99
20	40.6°	4.99	178°	7.65

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