WIND TOY IV — ORC Rating

GPH

640.2

OSN

624.5

LOA

12.741 m

Displacement

8429 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6485

Medium

0.8508

High

0.9635

Triple Offshore

Low

0.8304

Medium

1.0524

High

1.1621

Boat Specifications

Dimensions

Length overall: 12.741 m
Beam: 3.54 m
Draft: 1.92 m
Displacement: 8429 kg
Crew weight: 810 kg
Wetted surface: 31.6 m²

Sails

Mainsail: 42.96 m²
Genoa: 61.22 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 124.66 m²

Design

Type: Morgan 42-2
Builder: Morgan Yacht
Designer: Morgan
Year built: 1970
Stability index: 118.6

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.

6,43.2,4.815022,52,5.31,60,5.57,75,5.74,90,5.63,110,5.51,120,5.35,135,4.83,145.1,4.365045,150,4.13
8,41.7,5.585034,52,6.18,60,6.41,75,6.54,90,6.49,110,6.56,120,6.44,135,5.95,147.8,5.294299,150,5.17
10,40.6,6.084781,52,6.71,60,6.89,75,7.02,90,7.02,110,7.18,120,7.11,135,6.78,147.3,6.238779,150,6.07
12,40,6.318171,52,6.97,60,7.15,75,7.3,90,7.34,110,7.56,120,7.53,135,7.29,148.4,6.809694,150,6.69
14,39.6,6.437268,52,7.09,60,7.29,75,7.49,90,7.59,110,7.83,120,7.88,135,7.67,150,7.08,150.2,7.064121
16,39.4,6.5223,52,7.17,60,7.38,75,7.63,90,7.77,110,8.04,120,8.17,135,8.02,150,7.38,173,6.710015
20,39.3,6.616353,52,7.26,60,7.47,75,7.79,90,8.06,110,8.32,120,8.65,135,8.66,150,7.91,176.3,7.395415

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.31	5.57	5.74	5.63	5.51	5.35	4.83	4.13
8	6.18	6.41	6.54	6.49	6.56	6.44	5.95	5.17
10	6.71	6.89	7.02	7.02	7.18	7.11	6.78	6.07
12	6.97	7.15	7.3	7.34	7.56	7.53	7.29	6.69
14	7.09	7.29	7.49	7.59	7.83	7.88	7.67	7.08
16	7.17	7.38	7.63	7.77	8.04	8.17	8.02	7.38
20	7.26	7.47	7.79	8.06	8.32	8.65	8.66	7.91

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.51	145.1°	3.58
8	41.7°	4.17	147.8°	4.48
10	40.6°	4.62	147.3°	5.25
12	40°	4.84	148.4°	5.8
14	39.6°	4.96	150.2°	6.13
16	39.4°	5.04	173°	6.66
20	39.3°	5.12	176.3°	7.38

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