Zipang V — ORC Rating

GPH

680.8

OSN

659.8

LOA

8 m

Displacement

1949 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6033

Medium

0.8149

High

0.9241

Triple Offshore

Low

0.7746

Medium

0.9919

High

1.1118

Boat Specifications

Dimensions

Length overall: 8 m
Beam: 2.8 m
Draft: 1.85 m
Displacement: 1949 kg
Crew weight: 443 kg
Wetted surface: 15.78 m²

Sails

Mainsail: 22.43 m²
Genoa: 21.13 m²
Spinnaker: 53.99 m²
Asymmetric spinnaker: 53.23 m²

Design

Type: YAMAHA 26 S II
Builder: YAMAHA
Designer: YAMAHA
Year built: 1993
Stability index: 113.2

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.

6,42.6,4.347253,52,4.86,60,5.11,75,5.3,90,5.26,110,5.27,120,5.08,135,4.56,146,4.064954,150,3.89
8,41.1,5.12233,52,5.72,60,5.93,75,6.07,90,6.16,110,6.21,120,6.08,135,5.63,147.3,5.038557,150,4.89
10,39.3,5.647161,52,6.19,60,6.32,75,6.43,90,6.59,110,6.68,120,6.59,135,6.31,150,5.74,152,5.640199
12,37.6,5.818579,52,6.4,60,6.55,75,6.72,90,6.9,110,7.17,120,7.08,135,6.74,150,6.36,161.3,6.007114
14,37.2,5.88804,52,6.48,60,6.67,75,6.98,90,7.1,110,7.64,120,7.61,135,7.24,150,6.76,176.3,6.222971
16,37.3,5.921002,52,6.51,60,6.73,75,7.13,90,7.42,110,8.01,120,8.21,135,7.77,150,7.21,178.1,6.603631
20,38.1,5.934416,52,6.51,60,6.75,75,7.25,90,7.81,110,8.56,120,9.36,135,9.27,150,8.26,176.6,7.443101

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.86	5.11	5.3	5.26	5.27	5.08	4.56	3.89
8	5.72	5.93	6.07	6.16	6.21	6.08	5.63	4.89
10	6.19	6.32	6.43	6.59	6.68	6.59	6.31	5.74
12	6.4	6.55	6.72	6.9	7.17	7.08	6.74	6.36
14	6.48	6.67	6.98	7.1	7.64	7.61	7.24	6.76
16	6.51	6.73	7.13	7.42	8.01	8.21	7.77	7.21
20	6.51	6.75	7.25	7.81	8.56	9.36	9.27	8.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.2	146°	3.37
8	41.1°	3.86	147.3°	4.24
10	39.3°	4.37	152°	4.98
12	37.6°	4.61	161.3°	5.69
14	37.2°	4.69	176.3°	6.21
16	37.3°	4.71	178.1°	6.6
20	38.1°	4.67	176.6°	7.43

Loading polar chart…