BLUE OYSTER — ORC Rating

GPH

605.7

OSN

586.8

LOA

12.029 m

Displacement

6832 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6645

Medium

0.9137

High

1.0633

Triple Offshore

Low

0.8572

Medium

1.1213

High

1.2654

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: 38.45 m²
Genoa: 47.55 m²
Spinnaker: 105.4 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.

6,42.8,4.851922,52,5.43,60,5.73,75,5.97,90,5.89,110,5.65,120,5.5,135,4.98,145,4.455827,150,4.21
8,41.2,5.741513,52,6.47,60,6.76,75,6.96,90,6.91,110,6.88,120,6.72,135,6.16,149,5.37818,150,5.32
10,40.5,6.483379,52,7.14,60,7.33,75,7.47,90,7.46,110,7.56,120,7.48,135,7.1,150,6.3,151,6.242713
12,38.6,6.768857,52,7.45,60,7.61,75,7.76,90,7.77,110,7.96,120,7.9,135,7.63,150,7.12,155,6.863011
14,37.5,6.882179,52,7.61,60,7.79,75,7.99,90,8.04,110,8.35,120,8.33,135,8.02,150,7.61,169,6.978209
16,37.5,6.995622,52,7.68,60,7.89,75,8.2,90,8.32,110,8.66,120,8.77,135,8.46,150,7.97,180,7.41
20,37.5,7.046041,52,7.75,60,7.98,75,8.45,90,8.83,110,9.1,120,9.52,135,9.42,150,8.8,180,8.14

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.43	5.73	5.97	5.89	5.65	5.5	4.98	4.21
8	6.47	6.76	6.96	6.91	6.88	6.72	6.16	5.32
10	7.14	7.33	7.47	7.46	7.56	7.48	7.1	6.3
12	7.45	7.61	7.76	7.77	7.96	7.9	7.63	7.12
14	7.61	7.79	7.99	8.04	8.35	8.33	8.02	7.61
16	7.68	7.89	8.2	8.32	8.66	8.77	8.46	7.97
20	7.75	7.98	8.45	8.83	9.1	9.52	9.42	8.8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.56	145°	3.65
8	41.2°	4.32	149°	4.61
10	40.5°	4.93	151°	5.46
12	38.6°	5.29	155°	6.22
14	37.5°	5.46	169°	6.85
16	37.5°	5.55	180°	7.41
20	37.5°	5.59	180°	8.14

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