Visione: ORC Rating

GPH

536.9

OSN

524.4

LOA

12.5 m

Displacement

5708 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7653

Medium

1.0123

High

1.1537

Triple Offshore

Low

0.9919

Medium

1.2504

High

1.411

Boat Specifications

Dimensions

Length overall: 12.5 m
Beam: 4 m
Draft: 2.51 m
Displacement: 5708 kg
Crew weight: 800 kg
Wetted surface: 31.06 m²

Sails

Mainsail: 61.11 m²
Genoa: 40.84 m²
Spinnaker: 147.52 m²
Asymmetric spinnaker: 101.14 m²

Design

Type: ILC 40
Builder: N.HUTTON
Designer: JUDEL/VROLIJK
Year built: 1997

Performance data

Polar CSV

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

6,42.8,5.533372,52,6.18,60,6.55,75,6.97,90,7.16,110,6.9,120,6.5,135,5.82,143.8,5.27907,150,4.91
8,41.2,6.565526,52,7.35,60,7.61,75,7.85,90,8.02,110,7.9,120,7.73,135,7.22,143,6.673883,150,6.15
10,39,7.01284,52,7.82,60,8.03,75,8.24,90,8.52,110,8.49,120,8.4,135,8.03,149.5,7.288518,150,7.25
12,38.6,7.242293,52,7.99,60,8.25,75,8.62,90,8.89,110,9.14,120,9.07,135,8.66,150,7.99,156.5,7.654897
14,38.1,7.319537,52,8.08,60,8.37,75,8.89,90,9.2,110,9.77,120,9.62,135,9.37,150,8.56,170,7.727397
16,37.1,7.397341,52,8.15,60,8.44,75,9.05,90,9.58,110,10.33,120,10.35,135,10.2,150,9.2,180,8.17
20,37.5,7.499811,52,8.34,60,8.72,75,9.24,90,10,110,11.12,120,11.92,135,12.15,150,10.76,152,10.555553

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.18	6.55	6.97	7.16	6.9	6.5	5.82	4.91
8	7.35	7.61	7.85	8.02	7.9	7.73	7.22	6.15
10	7.82	8.03	8.24	8.52	8.49	8.4	8.03	7.25
12	7.99	8.25	8.62	8.89	9.14	9.07	8.66	7.99
14	8.08	8.37	8.89	9.2	9.77	9.62	9.37	8.56
16	8.15	8.44	9.05	9.58	10.33	10.35	10.2	9.2
20	8.34	8.72	9.24	10	11.12	11.92	12.15	10.76

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	4.06	143.8°	4.26
8	41.2°	4.94	143°	5.33
10	39°	5.45	149.5°	6.28
12	38.6°	5.66	156.5°	7.02
14	38.1°	5.76	170°	7.61
16	37.1°	5.9	180°	8.17
20	37.5°	5.95	152°	9.32

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°	6.18	7.35	7.82	7.99	8.08	8.15	8.34
60°	6.55	7.61	8.03	8.25	8.37	8.44	8.72
75°	6.97	7.85	8.24	8.62	8.89	9.05	9.24
90°	7.16	8.02	8.52	8.89	9.20	9.58	10.00
110°	6.90	7.90	8.49	9.14	9.77	10.33	11.12
120°	6.50	7.73	8.40	9.07	9.62	10.35	11.92
135°	5.82	7.22	8.03	8.66	9.37	10.20	12.15
150°	4.91	6.15	7.25	7.99	8.56	9.20	10.76