MORGAN IV — ORC Rating

GPH

598.2

OSN

581.5

LOA

11.82 m

Displacement

7123 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7605

Medium

1.0326

High

1.1819

Triple Offshore

Low

0.9833

Medium

1.2764

High

1.4217

Boat Specifications

Dimensions

Length overall: 11.82 m
Beam: 3.69 m
Draft: 2.15 m
Displacement: 7123 kg
Crew weight: 750 kg
Wetted surface: 31.78 m²

Sails

Mainsail: 49.35 m²
Genoa: 38.19 m²
Spinnaker: 113.94 m²
Asymmetric spinnaker: 0 m²

Design

Type: G.S. 39
Builder: G. SOLEIL
Designer: MALETTO
Year built: 2011

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.

6,43.9,4.899028,52,5.41,60,5.73,75,5.99,90,5.92,110,5.93,120,5.78,135,5.23,141.3,4.894735,150,4.41
8,41.8,5.754712,52,6.48,60,6.8,75,7.05,90,7.05,110,7.19,120,7.04,135,6.47,148.4,5.635609,150,5.55
10,41,6.439563,52,7.18,60,7.42,75,7.6,90,7.65,110,7.82,120,7.74,135,7.39,150,6.581793
12,40.2,6.716453,52,7.46,60,7.68,75,7.89,90,7.94,110,8.21,120,8.18,135,7.89,150,7.4,155.8,7.104327
14,39.8,6.820399,52,7.56,60,7.79,75,8.09,90,8.22,110,8.52,120,8.64,135,8.31,150,7.87,170,7.219683
16,39.7,6.849497,52,7.6,60,7.84,75,8.2,90,8.48,110,8.76,120,9.08,135,8.8,150,8.26,180,7.66
20,40.5,7.048866,52,7.72,60,7.93,75,8.29,90,8.85,110,9.18,120,9.64,135,9.91,150,9.17,180,8.44

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.41	5.73	5.99	5.92	5.93	5.78	5.23	4.41
8	6.48	6.8	7.05	7.05	7.19	7.04	6.47	5.55
10	7.18	7.42	7.6	7.65	7.82	7.74	7.39	6.58
12	7.46	7.68	7.89	7.94	8.21	8.18	7.89	7.4
14	7.56	7.79	8.09	8.22	8.52	8.64	8.31	7.87
16	7.6	7.84	8.2	8.48	8.76	9.08	8.8	8.26
20	7.72	7.93	8.29	8.85	9.18	9.64	9.91	9.17

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.53	141.3°	3.82
8	41.8°	4.29	148.4°	4.8
10	41°	4.86	150°	5.7
12	40.2°	5.13	155.8°	6.48
14	39.8°	5.24	170°	7.11
16	39.7°	5.27	180°	7.66
20	40.5°	5.36	180°	8.44

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