GWEZ GWERN — ORC Rating

GPH

699.4

OSN

678.5

LOA

9.514 m

Displacement

4665 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6603

Medium

0.8925

High

1.0292

Triple Offshore

Low

0.8445

Medium

1.0884

High

1.2152

Boat Specifications

Dimensions

Length overall: 9.514 m
Beam: 3.26 m
Draft: 1.92 m
Displacement: 4665 kg
Crew weight: 502 kg
Wetted surface: 21.96 m²

Sails

Mainsail: 20.99 m²
Genoa: 34.31 m²
Spinnaker: 78.6 m²
Asymmetric spinnaker: 0 m²

Design

Type: SYMPHONIE DK
Builder: JEANNEAU SA
Designer: BRIAND Philippe
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.

6,42,4.144549,52,4.66,60,4.89,75,5.06,90,4.99,110,5.05,120,4.92,135,4.51,147.4,3.976486,150,3.87
8,40.8,4.834906,52,5.46,60,5.73,75,5.92,90,5.92,110,6.08,120,5.97,135,5.5,150,4.83,151.3,4.765454
10,40.7,5.434393,52,6.03,60,6.21,75,6.35,90,6.45,110,6.57,120,6.52,135,6.27,150,5.68,151,5.636736
12,39.5,5.780013,52,6.32,60,6.46,75,6.58,90,6.7,110,6.89,120,6.85,135,6.66,150,6.32,159.8,5.967013
14,38.7,5.91981,52,6.48,60,6.62,75,6.77,90,6.82,110,7.18,120,7.17,135,6.96,150,6.66,180,6.17
16,38.4,5.984483,52,6.56,60,6.73,75,6.94,90,7.01,110,7.41,120,7.5,135,7.3,150,6.94,180,6.55
20,38.9,6.039244,52,6.6,60,6.8,75,7.17,90,7.38,110,7.68,120,7.95,135,7.94,150,7.56,180,7.11

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.66	4.89	5.06	4.99	5.05	4.92	4.51	3.87
8	5.46	5.73	5.92	5.92	6.08	5.97	5.5	4.83
10	6.03	6.21	6.35	6.45	6.57	6.52	6.27	5.68
12	6.32	6.46	6.58	6.7	6.89	6.85	6.66	6.32
14	6.48	6.62	6.77	6.82	7.18	7.17	6.96	6.66
16	6.56	6.73	6.94	7.01	7.41	7.5	7.3	6.94
20	6.6	6.8	7.17	7.38	7.68	7.95	7.94	7.56

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.08	147.4°	3.35
8	40.8°	3.66	151.3°	4.18
10	40.7°	4.12	151°	4.93
12	39.5°	4.46	159.8°	5.6
14	38.7°	4.62	180°	6.17
16	38.4°	4.69	180°	6.55
20	38.9°	4.7	180°	7.11

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