CHRISTINA — ORC Rating

GPH

676.6

OSN

656.7

LOA

11.266 m

Displacement

7850 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6025

Medium

0.8091

High

0.9225

Triple Offshore

Low

0.7743

Medium

1.0024

High

1.1127

Boat Specifications

Dimensions

Length overall: 11.266 m
Beam: 3.7 m
Draft: 2 m
Displacement: 7850 kg
Crew weight: 500 kg
Wetted surface: 28.41 m²

Sails

Mainsail: 27.87 m²
Genoa: 41.71 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 112.92 m²

Design

Type: OYSTER 37
Builder: OYSTER MARINE
Designer: HOLMAN & PYE
Year built: 1978

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.

6,44,4.33731,52,4.78,60,5.04,75,5.19,90,5.17,110,5.32,120,5.16,135,4.64,145.1,4.182152,150,3.96
8,41.6,5.068213,52,5.64,60,5.89,75,6.05,90,6.16,110,6.38,120,6.27,135,5.78,146.9,5.168799,150,5
10,40.5,5.58912,52,6.23,60,6.44,75,6.6,90,6.76,110,6.95,120,6.9,135,6.62,146.4,6.14704,150,5.91
12,40,5.952657,52,6.58,60,6.76,75,6.91,90,7.05,110,7.29,120,7.27,135,7.08,148,6.638774,150,6.5
14,39.9,6.165556,52,6.78,60,6.95,75,7.12,90,7.2,110,7.55,120,7.57,135,7.4,149.8,6.861244,150,6.85
16,39.5,6.259521,52,6.89,60,7.07,75,7.28,90,7.35,110,7.75,120,7.84,135,7.69,150,7.11,172.2,6.43958
20,39.4,6.315243,52,6.97,60,7.18,75,7.49,90,7.64,110,8.01,120,8.31,135,8.27,150,7.54,176.3,7.084767
24,40.1,6.288228,52,6.95,60,7.19,75,7.57,90,7.86,110,8.22,120,8.61,135,8.89,150,7.97,176.8,7.521728

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.78	5.04	5.19	5.17	5.32	5.16	4.64	3.96
8	5.64	5.89	6.05	6.16	6.38	6.27	5.78	5
10	6.23	6.44	6.6	6.76	6.95	6.9	6.62	5.91
12	6.58	6.76	6.91	7.05	7.29	7.27	7.08	6.5
14	6.78	6.95	7.12	7.2	7.55	7.57	7.4	6.85
16	6.89	7.07	7.28	7.35	7.75	7.84	7.69	7.11
20	6.97	7.18	7.49	7.64	8.01	8.31	8.27	7.54
24	6.95	7.19	7.57	7.86	8.22	8.61	8.89	7.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44°	3.12	145.1°	3.43
8	41.6°	3.79	146.9°	4.33
10	40.5°	4.25	146.4°	5.12
12	40°	4.56	148°	5.63
14	39.9°	4.73	149.8°	5.93
16	39.5°	4.83	172.2°	6.38
20	39.4°	4.88	176.3°	7.07
24	40.1°	4.81	176.8°	7.51

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