Team Changwon — ORC Rating

GPH

628.6

OSN

610.7

LOA

9.5 m

Displacement

2632 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6587

Medium

0.8716

High

0.9796

Triple Offshore

Low

0.845

Medium

1.0718

High

1.1974

Boat Specifications

Dimensions

Length overall: 9.5 m
Beam: 2.85 m
Draft: 1.83 m
Displacement: 2632 kg
Crew weight: 536 kg
Wetted surface: 18.82 m²

Sails

Mainsail: 29.77 m²
Genoa: 20.24 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 63.69 m²

Design

Type: Yamaha 31 Festa
Builder: Yamaha
Designer: Yamaha
Year built: 1995
Stability index: 117

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.

6,43,4.730953,52,5.27,60,5.54,75,5.71,90,5.75,110,5.77,120,5.6,135,5.03,143.4,4.583856,150,4.25
8,40.6,5.54479,52,6.18,60,6.4,75,6.55,90,6.68,110,6.78,120,6.66,135,6.2,147.8,5.518834,150,5.39
10,38.4,6.010003,52,6.67,60,6.83,75,6.97,90,7.12,110,7.33,120,7.25,135,6.92,149.6,6.330334,150,6.3
12,37.2,6.189347,52,6.9,60,7.08,75,7.29,90,7.37,110,7.81,120,7.8,135,7.45,150,6.87,150.5,6.836285
14,37.2,6.314891,52,7.01,60,7.22,75,7.55,90,7.69,110,8.2,120,8.35,135,8.02,150,7.26,169.4,6.419547
16,37.1,6.369236,52,7.07,60,7.32,75,7.71,90,7.99,110,8.51,120,8.92,135,8.68,150,7.65,174.8,6.848184
20,37.8,6.429118,52,7.13,60,7.41,75,7.9,90,8.44,110,9.09,120,9.9,135,10.46,142.1,9.821514,150,8.95

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.27	5.54	5.71	5.75	5.77	5.6	5.03	4.25
8	6.18	6.4	6.55	6.68	6.78	6.66	6.2	5.39
10	6.67	6.83	6.97	7.12	7.33	7.25	6.92	6.3
12	6.9	7.08	7.29	7.37	7.81	7.8	7.45	6.87
14	7.01	7.22	7.55	7.69	8.2	8.35	8.02	7.26
16	7.07	7.32	7.71	7.99	8.51	8.92	8.68	7.65
20	7.13	7.41	7.9	8.44	9.09	9.9	10.46	8.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.46	143.4°	3.68
8	40.6°	4.21	147.8°	4.67
10	38.4°	4.71	149.6°	5.46
12	37.2°	4.93	150.5°	5.95
14	37.2°	5.03	169.4°	6.31
16	37.1°	5.08	174.8°	6.82
20	37.8°	5.08	142.1°	7.75

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