Team Changwon — ORC Rating

GPH

633.8

OSN

615.4

LOA

9.45 m

Displacement

2632 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6442

Medium

0.8647

High

0.9785

Triple Offshore

Low

0.831

Medium

1.066

High

1.1997

Boat Specifications

Dimensions

Length overall: 9.45 m
Beam: 2.85 m
Draft: 1.83 m
Displacement: 2632 kg
Crew weight: 553 kg
Wetted surface: 18.88 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: 117.6

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.

6,43,4.539527,52,5.09,60,5.39,75,5.61,90,5.73,110,5.75,120,5.57,135,5.01,144.2,4.537251,150,4.25
8,41.2,5.382668,52,6.07,60,6.33,75,6.51,90,6.7,110,6.78,120,6.66,135,6.2,147.5,5.501597,150,5.36
10,39.9,6.009136,52,6.62,60,6.78,75,6.92,90,7.14,110,7.31,120,7.21,135,6.9,149.3,6.349928,150,6.3
12,37.8,6.201315,52,6.86,60,7.04,75,7.24,90,7.39,110,7.86,120,7.8,135,7.41,150,6.85,150.9,6.79811
14,37.6,6.310823,52,6.97,60,7.2,75,7.55,90,7.69,110,8.31,120,8.45,135,8.02,150,7.21,170,6.417496
16,37.6,6.373932,52,7.02,60,7.28,75,7.77,90,8.08,110,8.64,120,9.1,135,8.71,150,7.62,175.7,6.829223
20,37.6,6.449661,52,7.11,60,7.37,75,7.94,90,8.63,110,9.21,120,10.03,135,10.55,141.9,9.848335,150,8.95

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.09	5.39	5.61	5.73	5.75	5.57	5.01	4.25
8	6.07	6.33	6.51	6.7	6.78	6.66	6.2	5.36
10	6.62	6.78	6.92	7.14	7.31	7.21	6.9	6.3
12	6.86	7.04	7.24	7.39	7.86	7.8	7.41	6.85
14	6.97	7.2	7.55	7.69	8.31	8.45	8.02	7.21
16	7.02	7.28	7.77	8.08	8.64	9.1	8.71	7.62
20	7.11	7.37	7.94	8.63	9.21	10.03	10.55	8.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.32	144.2°	3.68
8	41.2°	4.05	147.5°	4.64
10	39.9°	4.61	149.3°	5.46
12	37.8°	4.9	150.9°	5.94
14	37.6°	5	170°	6.32
16	37.6°	5.05	175.7°	6.81
20	37.6°	5.11	141.9°	7.75

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