IRINA: ORC Rating

GPH

526.2

OSN

513.5

LOA

12.415 m

Displacement

4947 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8054

Medium

1.0331

High

1.1752

Triple Offshore

Low

1.0288

Medium

1.2676

High

1.4226

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.59 m
Displacement: 4947 kg
Crew weight: 860 kg
Wetted surface: 29.74 m²

Sails

Mainsail: 64.77 m²
Genoa: 40.16 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 160.41 m²

Design

Type: Farr 40
Builder: Carroll Marine
Designer: Farr
Year built: 1997
Stability index: 124

Performance data

Polar CSV

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

6,42.3,5.908351,52,6.58,60,6.9,75,7.13,90,7.02,110,6.92,120,6.74,135,6.07,142.4,5.578768,150,5.1
8,39.4,6.716416,52,7.5,60,7.73,75,7.89,90,7.86,110,7.96,120,7.91,135,7.45,145.7,6.730434,150,6.42
10,37.5,7.008227,52,7.84,60,8.07,75,8.34,90,8.38,110,8.55,120,8.61,135,8.25,150,7.48,150.5,7.445232
12,37,7.19978,52,8.01,60,8.27,75,8.64,90,8.85,110,8.96,120,9.24,135,9,150,8.19,151.8,8.078943
14,36.4,7.292888,52,8.13,60,8.41,75,8.85,90,9.23,110,9.34,120,9.75,135,9.84,149.3,8.873617,150,8.81
16,36.3,7.357975,52,8.21,60,8.51,75,9.01,90,9.52,110,9.71,120,10.27,135,10.83,146.4,9.940916,150,9.56
20,36.6,7.423854,52,8.29,60,8.63,75,9.23,90,9.94,110,10.78,120,11.3,135,12.78,144.4,12.532272,150,11.76

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.58	6.9	7.13	7.02	6.92	6.74	6.07	5.1
8	7.5	7.73	7.89	7.86	7.96	7.91	7.45	6.42
10	7.84	8.07	8.34	8.38	8.55	8.61	8.25	7.48
12	8.01	8.27	8.64	8.85	8.96	9.24	9	8.19
14	8.13	8.41	8.85	9.23	9.34	9.75	9.84	8.81
16	8.21	8.51	9.01	9.52	9.71	10.27	10.83	9.56
20	8.29	8.63	9.23	9.94	10.78	11.3	12.78	11.76

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	4.37	142.4°	4.42
8	39.4°	5.19	145.7°	5.56
10	37.5°	5.56	150.5°	6.48
12	37°	5.75	151.8°	7.12
14	36.4°	5.87	149.3°	7.63
16	36.3°	5.93	146.4°	8.28
20	36.6°	5.96	144.4°	10.19

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°	6.58	7.50	7.84	8.01	8.13	8.21	8.29
60°	6.90	7.73	8.07	8.27	8.41	8.51	8.63
75°	7.13	7.89	8.34	8.64	8.85	9.01	9.23
90°	7.02	7.86	8.38	8.85	9.23	9.52	9.94
110°	6.92	7.96	8.55	8.96	9.34	9.71	10.78
120°	6.74	7.91	8.61	9.24	9.75	10.27	11.30
135°	6.07	7.45	8.25	9.00	9.84	10.83	12.78
150°	5.10	6.42	7.48	8.19	8.81	9.56	11.76