IRIE 2: ORC Rating

GPH

468.4

OSN

456.1

LOA

16.58 m

Displacement

10063 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8711

Medium

1.1551

High

1.3395

Triple Offshore

Low

1.1303

Medium

1.4365

High

1.6423

Boat Specifications

Dimensions

Length overall: 16.58 m
Beam: 4.05 m
Draft: 3.19 m
Displacement: 10063 kg
Crew weight: 1180 kg
Wetted surface: 45.62 m²

Sails

Mainsail: 98.59 m²
Genoa: 70.08 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 282 m²

Design

Type: KER55
Designer: KER
Year built: 2002

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,43.5,6.382911,52,7.13,60,7.61,75,8.02,90,7.94,110,7.63,120,7.39,135,6.64,142,6.091287,150,5.54
8,42,7.602825,52,8.49,60,8.83,75,9.07,90,9.02,110,9.02,120,8.93,135,8.38,141.2,7.827156,150,7.05
10,40.1,8.105408,52,9.02,60,9.32,75,9.64,90,9.65,110,9.62,120,9.77,135,9.31,147,8.561168,150,8.29
12,39,8.35107,52,9.25,60,9.59,75,10.15,90,10.32,110,10.14,120,10.41,135,10.18,150,9.26,152.5,8.996508
14,38.2,8.449376,52,9.4,60,9.79,75,10.5,90,10.93,110,10.67,120,10.96,135,11.15,150,9.9,150.5,9.835059
16,37.1,8.550824,52,9.5,60,9.93,75,10.73,90,11.44,110,11.28,120,11.59,135,12.27,148.5,10.872113,150,10.7
20,36.9,8.703431,52,9.81,60,10.33,75,11.03,90,12.06,110,12.9,120,13.04,135,14.04,144,14.165339,150,13.24

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.13	7.61	8.02	7.94	7.63	7.39	6.64	5.54
8	8.49	8.83	9.07	9.02	9.02	8.93	8.38	7.05
10	9.02	9.32	9.64	9.65	9.62	9.77	9.31	8.29
12	9.25	9.59	10.15	10.32	10.14	10.41	10.18	9.26
14	9.4	9.79	10.5	10.93	10.67	10.96	11.15	9.9
16	9.5	9.93	10.73	11.44	11.28	11.59	12.27	10.7
20	9.81	10.33	11.03	12.06	12.9	13.04	14.04	13.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	4.63	142°	4.8
8	42°	5.65	141.2°	6.1
10	40.1°	6.2	147°	7.18
12	39°	6.49	152.5°	7.98
14	38.2°	6.64	150.5°	8.56
16	37.1°	6.82	148.5°	9.27
20	36.9°	6.96	144°	11.46

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	7.13	8.49	9.02	9.25	9.40	9.50	9.81
60°	7.61	8.83	9.32	9.59	9.79	9.93	10.33
75°	8.02	9.07	9.64	10.15	10.50	10.73	11.03
90°	7.94	9.02	9.65	10.32	10.93	11.44	12.06
110°	7.63	9.02	9.62	10.14	10.67	11.28	12.90
120°	7.39	8.93	9.77	10.41	10.96	11.59	13.04
135°	6.64	8.38	9.31	10.18	11.15	12.27	14.04
150°	5.54	7.05	8.29	9.26	9.90	10.70	13.24