Blue — ORC Rating | RegattaPages

GPH

620.5

OSN

601.9

LOA

11.785 m

Displacement

7603 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7227

Medium

0.9887

High

1.1453

Triple Offshore

Low

0.9372

Medium

1.2347

High

1.3895

Boat Specifications

Dimensions

Length overall: 11.785 m
Beam: 3.79 m
Draft: 1.95 m
Displacement: 7603 kg
Crew weight: 783 kg
Wetted surface: 32.84 m²

Sails

Mainsail: 45.27 m²
Genoa: 36.58 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 103.37 m²

Design

Type: Dehler 39
Builder: Dehler
Designer: Judel & Vrolijk
Year built: 1998

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.

6,43.6,4.625974,52,5.14,60,5.44,75,5.68,90,5.69,110,5.73,120,5.55,135,4.97,144,4.486927,150,4.19
8,41.8,5.459599,52,6.14,60,6.46,75,6.73,90,6.89,110,6.95,120,6.75,135,6.13,147.8,5.424293,150,5.3
10,41.6,6.204883,52,6.93,60,7.18,75,7.36,90,7.55,110,7.62,120,7.5,135,7.09,147.7,6.388553,150,6.23
12,40.5,6.65434,52,7.33,60,7.53,75,7.7,90,7.89,110,8.02,120,7.92,135,7.63,148.7,7.092208,150,7
14,39.7,6.823503,52,7.53,60,7.73,75,7.94,90,8.06,110,8.41,120,8.33,135,8,150,7.45,151.3,7.376194
16,39.3,6.887727,52,7.6,60,7.83,75,8.13,90,8.26,110,8.8,120,8.78,135,8.4,150,7.78,175.6,7.06081
20,39.1,6.945461,52,7.64,60,7.89,75,8.34,90,8.75,110,9.27,120,9.68,135,9.33,150,8.37,178.2,7.813856

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.14	5.44	5.68	5.69	5.73	5.55	4.97	4.19
8	6.14	6.46	6.73	6.89	6.95	6.75	6.13	5.3
10	6.93	7.18	7.36	7.55	7.62	7.5	7.09	6.23
12	7.33	7.53	7.7	7.89	8.02	7.92	7.63	7
14	7.53	7.73	7.94	8.06	8.41	8.33	8	7.45
16	7.6	7.83	8.13	8.26	8.8	8.78	8.4	7.78
20	7.64	7.89	8.34	8.75	9.27	9.68	9.33	8.37

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.35	144°	3.63
8	41.8°	4.07	147.8°	4.59
10	41.6°	4.64	147.7°	5.4
12	40.5°	5.06	148.7°	6.06
14	39.7°	5.25	151.3°	6.47
16	39.3°	5.33	175.6°	7.04
20	39.1°	5.39	178.2°	7.81

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