BLUE OYSTER — ORC Rating

GPH

605.4

OSN

586.3

LOA

12.029 m

Displacement

6832 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7485

Medium

1.0293

High

1.1985

Triple Offshore

Low

0.9639

Medium

1.2626

High

1.4251

Boat Specifications

Dimensions

Length overall: 12.029 m
Beam: 3.62 m
Draft: 2.15 m
Displacement: 6832 kg
Crew weight: 560 kg
Wetted surface: 31.68 m²

Sails

Mainsail: 38.75 m²
Genoa: 48.17 m²
Spinnaker: 105.88 m²
Asymmetric spinnaker: 0 m²

Design

Type: LIGHTWAVE 395
Builder: Oyster Marine
Designer: C.Schumacher
Year built: 1988

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.

6,42.4,4.861499,52,5.44,60,5.72,75,5.94,90,5.84,110,5.62,120,5.47,135,4.95,144.9,4.436841,150,4.19
8,41,5.763807,52,6.49,60,6.78,75,6.96,90,6.9,110,6.87,120,6.7,135,6.14,149,5.366514,150,5.31
10,40.3,6.49037,52,7.17,60,7.35,75,7.48,90,7.46,110,7.56,120,7.47,135,7.09,150,6.29,150.6,6.25564
12,38.6,6.794448,52,7.47,60,7.63,75,7.77,90,7.78,110,7.96,120,7.9,135,7.62,150,7.09,154.9,6.857568
14,37.5,6.907389,52,7.62,60,7.8,75,8.01,90,8.06,110,8.34,120,8.32,135,8.01,150,7.6,168.8,6.972796
16,37.4,7.02404,52,7.7,60,7.9,75,8.22,90,8.34,110,8.65,120,8.76,135,8.44,150,7.97,180,7.4
20,37.3,7.064975,52,7.76,60,7.99,75,8.46,90,8.84,110,9.07,120,9.5,135,9.4,150,8.78,180,8.13

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.44	5.72	5.94	5.84	5.62	5.47	4.95	4.19
8	6.49	6.78	6.96	6.9	6.87	6.7	6.14	5.31
10	7.17	7.35	7.48	7.46	7.56	7.47	7.09	6.29
12	7.47	7.63	7.77	7.78	7.96	7.9	7.62	7.09
14	7.62	7.8	8.01	8.06	8.34	8.32	8.01	7.6
16	7.7	7.9	8.22	8.34	8.65	8.76	8.44	7.97
20	7.76	7.99	8.46	8.84	9.07	9.5	9.4	8.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.59	144.9°	3.63
8	41°	4.35	149°	4.6
10	40.3°	4.95	150.6°	5.45
12	38.6°	5.31	154.9°	6.21
14	37.5°	5.48	168.8°	6.84
16	37.4°	5.58	180°	7.4
20	37.3°	5.62	180°	8.13

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