ICHI BAN — ORC Rating

GPH

428.6

OSN

420.4

LOA

15.85 m

Displacement

7142 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.9377

Medium

1.2251

High

1.4552

Triple Offshore

Low

1.2309

Medium

1.5625

High

1.8311

Boat Specifications

Dimensions

Length overall: 15.85 m
Beam: 4.42 m
Draft: 3.66 m
Displacement: 7142 kg
Crew weight: 1275 kg
Wetted surface: 45.96 m²

Sails

Mainsail: 100.63 m²
Genoa: 63.93 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 268.73 m²

Design

Type: BOTIN IRC 52
Builder: LONGITUD CERO COMP
Designer: BOTIN
Year built: 2017

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.

6,44.2,7.253345,52,8.07,60,8.62,75,9.03,90,9.03,110,8.63,120,8.23,135,7.04,138,6.755076,150,5.79
8,41.2,8.173682,52,9.1,60,9.47,75,10.01,90,10.12,110,9.86,120,9.56,135,8.79,141.5,8.152228,150,7.37
10,39,8.531216,52,9.51,60,9.97,75,10.78,90,11.29,110,11.02,120,10.83,135,9.81,147.1,8.920704,150,8.65
12,37.5,8.709864,52,9.8,60,10.36,75,11.32,90,12.08,110,12.14,120,12.13,135,11.09,150,9.68,152,9.411657
14,36.8,8.829428,52,10.06,60,10.69,75,11.77,90,12.64,110,12.98,120,13.33,135,12.59,143,11.569733,150,10.67
16,36,8.973854,52,10.27,60,10.95,75,12.13,90,13.13,110,14.06,120,14.41,135,14.15,143.2,13.088035,150,12.1
20,35.9,9.085953,52,10.63,60,11.35,75,12.66,90,13.79,110,15.53,120,16.15,135,17.09,144,16.377901,150,15.31

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	8.07	8.62	9.03	9.03	8.63	8.23	7.04	5.79
8	9.1	9.47	10.01	10.12	9.86	9.56	8.79	7.37
10	9.51	9.97	10.78	11.29	11.02	10.83	9.81	8.65
12	9.8	10.36	11.32	12.08	12.14	12.13	11.09	9.68
14	10.06	10.69	11.77	12.64	12.98	13.33	12.59	10.67
16	10.27	10.95	12.13	13.13	14.06	14.41	14.15	12.1
20	10.63	11.35	12.66	13.79	15.53	16.15	17.09	15.31

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	5.2	138°	5.02
8	41.2°	6.15	141.5°	6.38
10	39°	6.63	147.1°	7.49
12	37.5°	6.91	152°	8.31
14	36.8°	7.07	143°	9.24
16	36°	7.26	143.2°	10.48
20	35.9°	7.36	144°	13.25

Loading polar chart…