CHRISTINA — ORC Rating

GPH

669.1

OSN

651.6

LOA

11.266 m

Displacement

7850 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6837

Medium

0.9157

High

1.0543

Triple Offshore

Low

0.8813

Medium

1.1385

High

1.268

Boat Specifications

Dimensions

Length overall: 11.266 m
Beam: 3.7 m
Draft: 2 m
Displacement: 7850 kg
Crew weight: 500 kg
Wetted surface: 28.57 m²

Sails

Mainsail: 28.1 m²
Genoa: 43.01 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 115.99 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.

6,42.5,4.313167,52,4.84,60,5.1,75,5.29,90,5.28,110,5.4,120,5.24,135,4.71,146.2,4.187804,150,4.02
8,41.1,5.029438,52,5.66,60,5.94,75,6.18,90,6.32,110,6.5,120,6.36,135,5.79,147.5,5.134034,150,5
10,40.8,5.614304,52,6.33,60,6.56,75,6.72,90,6.91,110,7.04,120,6.98,135,6.68,145.8,6.190449,150,5.92
12,41.1,6.117601,52,6.69,60,6.86,75,7.01,90,7.16,110,7.36,120,7.32,135,7.11,148.3,6.675982,150,6.56
14,40.3,6.306804,52,6.88,60,7.04,75,7.2,90,7.28,110,7.64,120,7.64,135,7.43,150,6.89,151,6.837257
16,39.6,6.372376,52,6.97,60,7.16,75,7.36,90,7.43,110,7.86,120,7.95,135,7.74,150,7.15,175.5,6.53013
20,39.1,6.39137,52,7.04,60,7.25,75,7.59,90,7.78,110,8.13,120,8.43,135,8.38,150,7.6,178,7.17437

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.84	5.1	5.29	5.28	5.4	5.24	4.71	4.02
8	5.66	5.94	6.18	6.32	6.5	6.36	5.79	5
10	6.33	6.56	6.72	6.91	7.04	6.98	6.68	5.92
12	6.69	6.86	7.01	7.16	7.36	7.32	7.11	6.56
14	6.88	7.04	7.2	7.28	7.64	7.64	7.43	6.89
16	6.97	7.16	7.36	7.43	7.86	7.95	7.74	7.15
20	7.04	7.25	7.59	7.78	8.13	8.43	8.38	7.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.18	146.2°	3.48
8	41.1°	3.79	147.5°	4.33
10	40.8°	4.25	145.8°	5.12
12	41.1°	4.61	148.3°	5.68
14	40.3°	4.81	151°	5.98
16	39.6°	4.91	175.5°	6.51
20	39.1°	4.96	178°	7.17

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