BLUE OYSTER — ORC Rating

GPH

490.2

OSN

476.9

LOA

18.3 m

Displacement

18762 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8002

Medium

1.1111

High

1.2821

Triple Offshore

Low

1.051

Medium

1.3917

High

1.5746

Boat Specifications

Dimensions

Length overall: 18.3 m
Beam: 4.83 m
Draft: 3.38 m
Displacement: 18762 kg
Crew weight: 1100 kg
Wetted surface: 61 m²

Sails

Mainsail: 100.02 m²
Genoa: 81.72 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 281.75 m²

Design

Type: Dehler 60
Builder: Dehler
Designer: Simonis
Year built: 2008
Stability index: 134.5

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.

6,43.8,5.805252,52,6.46,60,6.88,75,7.33,90,7.61,110,7.38,120,6.98,135,6.12,142.4,5.616633,150,5.14
8,42.3,7.003491,52,7.85,60,8.29,75,8.75,90,9.06,110,8.89,120,8.53,135,7.75,144.7,6.935105,150,6.53
10,41.2,7.867999,52,8.81,60,9.14,75,9.37,90,9.7,110,9.65,120,9.5,135,9.02,144.6,8.34225,150,7.85
12,40.2,8.287553,52,9.22,60,9.51,75,9.76,90,10.05,110,10.2,120,10.1,135,9.73,150,8.93,150.5,8.892916
14,39.3,8.46428,52,9.39,60,9.67,75,10.05,90,10.33,110,10.78,120,10.72,135,10.32,150,9.59,151.9,9.454422
16,38.8,8.571378,52,9.49,60,9.78,75,10.24,90,10.58,110,11.33,120,11.3,135,11.04,150,10.05,150.9,9.968273
20,38.1,8.831733,52,9.69,60,9.95,75,10.47,90,11.17,110,12.13,120,12.67,135,12.79,145.7,11.754049,150,11.21

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.46	6.88	7.33	7.61	7.38	6.98	6.12	5.14
8	7.85	8.29	8.75	9.06	8.89	8.53	7.75	6.53
10	8.81	9.14	9.37	9.7	9.65	9.5	9.02	7.85
12	9.22	9.51	9.76	10.05	10.2	10.1	9.73	8.93
14	9.39	9.67	10.05	10.33	10.78	10.72	10.32	9.59
16	9.49	9.78	10.24	10.58	11.33	11.3	11.04	10.05
20	9.69	9.95	10.47	11.17	12.13	12.67	12.79	11.21

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	4.19	142.4°	4.45
8	42.3°	5.18	144.7°	5.66
10	41.2°	5.92	144.6°	6.8
12	40.2°	6.33	150.5°	7.74
14	39.3°	6.55	151.9°	8.34
16	38.8°	6.68	150.9°	8.71
20	38.1°	6.95	145.7°	9.71

Loading polar chart…