BLUE SHARK — ORC Rating

GPH

640.3

OSN

622.1

LOA

9.99 m

Displacement

4287 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6368

Medium

0.8624

High

0.9828

Triple Offshore

Low

0.8224

Medium

1.0574

High

1.173

Boat Specifications

Dimensions

Length overall: 9.99 m
Beam: 2.98 m
Draft: 1.77 m
Displacement: 4287 kg
Crew weight: 530 kg
Wetted surface: 22.89 m²

Sails

Mainsail: 32.89 m²
Genoa: 26.69 m²
Spinnaker: 89.52 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 33 C
Builder: Dehler
Designer: Judel/Vrolijk
Year built: 1977
Stability index: 111.8

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.

6,43.5,4.494231,52,5.03,60,5.34,75,5.59,90,5.53,110,5.68,120,5.55,135,5.04,140.3,4.782951,150,4.25
8,41.8,5.325456,52,5.97,60,6.28,75,6.52,90,6.59,110,6.78,120,6.69,135,6.22,149.2,5.39024,150,5.34
10,41.2,5.954162,52,6.61,60,6.83,75,6.99,90,7.01,110,7.27,120,7.24,135,6.99,150,6.34,150.5,6.307766
12,40.2,6.205845,52,6.85,60,7.06,75,7.25,90,7.3,110,7.56,120,7.65,135,7.42,150,7.02,157.9,6.71323
14,39.6,6.294506,52,6.95,60,7.15,75,7.43,90,7.56,110,7.78,120,8.05,135,7.88,150,7.42,171.8,6.850033
16,39.4,6.341125,52,6.99,60,7.2,75,7.52,90,7.8,110,7.99,120,8.32,135,8.41,150,7.85,178.1,7.213966
20,39.4,6.444653,52,7.08,60,7.27,75,7.61,90,8.1,110,8.37,120,8.82,135,9.62,150,8.9,176.6,8.014106

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.03	5.34	5.59	5.53	5.68	5.55	5.04	4.25
8	5.97	6.28	6.52	6.59	6.78	6.69	6.22	5.34
10	6.61	6.83	6.99	7.01	7.27	7.24	6.99	6.34
12	6.85	7.06	7.25	7.3	7.56	7.65	7.42	7.02
14	6.95	7.15	7.43	7.56	7.78	8.05	7.88	7.42
16	6.99	7.2	7.52	7.8	7.99	8.32	8.41	7.85
20	7.08	7.27	7.61	8.1	8.37	8.82	9.62	8.9

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.26	140.3°	3.68
8	41.8°	3.97	149.2°	4.63
10	41.2°	4.48	150.5°	5.49
12	40.2°	4.74	157.9°	6.22
14	39.6°	4.85	171.8°	6.78
16	39.4°	4.9	178.1°	7.21
20	39.4°	4.98	176.6°	8

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