D-DAY: ORC Rating

GPH

489.1

OSN

475.5

LOA

12.186 m

Displacement

4991 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8242

Medium

1.0945

High

1.3027

Triple Offshore

Low

1.07

Medium

1.3724

High

1.6278

Boat Specifications

Dimensions

Length overall: 12.186 m
Beam: 4.5 m
Draft: 3.02 m
Displacement: 4991 kg
Crew weight: 850 kg
Wetted surface: 37.89 m²

Sails

Mainsail: 68.61 m²
Genoa: 48.52 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 181.62 m²

Design

Type: Class 40 Akilaria
Builder: MC_TEC
Designer: Marc Lombard
Year built: 2007
Stability index: 107

Performance data

Polar CSV

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

6,44.4,6.354337,52,7.03,60,7.48,75,7.79,90,7.82,110,7.25,120,6.76,135,6.04,143,5.521918,150,5.09
8,41.2,7.269925,52,8.03,60,8.31,75,8.61,90,8.6,110,8.23,120,8.12,135,7.64,144.2,6.892183,150,6.46
10,38.7,7.598371,52,8.4,60,8.76,75,9.39,90,9.57,110,9.22,120,9.07,135,8.48,149.3,7.687367,150,7.63
12,36.3,7.829481,52,8.81,60,9.24,75,9.89,90,10.43,110,9.95,120,10.24,135,9.44,150,8.44,151.8,8.328573
14,35,7.971658,52,9.15,60,9.67,75,10.48,90,10.92,110,10.79,120,11.09,135,10.74,148.5,9.370893,150,9.23
16,35,8.142567,52,9.38,60,9.96,75,10.93,90,11.53,110,11.86,120,11.92,135,12.13,145.2,10.911537,150,10.35
20,35,8.264644,52,9.76,60,10.43,75,11.52,90,12.53,110,13.27,120,13.78,135,14.74,140.2,14.87732,150,13.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.03	7.48	7.79	7.82	7.25	6.76	6.04	5.09
8	8.03	8.31	8.61	8.6	8.23	8.12	7.64	6.46
10	8.4	8.76	9.39	9.57	9.22	9.07	8.48	7.63
12	8.81	9.24	9.89	10.43	9.95	10.24	9.44	8.44
14	9.15	9.67	10.48	10.92	10.79	11.09	10.74	9.23
16	9.38	9.96	10.93	11.53	11.86	11.92	12.13	10.35
20	9.76	10.43	11.52	12.53	13.27	13.78	14.74	13.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	4.54	143°	4.41
8	41.2°	5.47	144.2°	5.59
10	38.7°	5.93	149.3°	6.61
12	36.3°	6.31	151.8°	7.34
14	35°	6.53	148.5°	7.99
16	35°	6.67	145.2°	8.96
20	35°	6.77	140.2°	11.43

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°	7.03	8.03	8.40	8.81	9.15	9.38	9.76
60°	7.48	8.31	8.76	9.24	9.67	9.96	10.43
75°	7.79	8.61	9.39	9.89	10.48	10.93	11.52
90°	7.82	8.60	9.57	10.43	10.92	11.53	12.53
110°	7.25	8.23	9.22	9.95	10.79	11.86	13.27
120°	6.76	8.12	9.07	10.24	11.09	11.92	13.78
135°	6.04	7.64	8.48	9.44	10.74	12.13	14.74
150°	5.09	6.46	7.63	8.44	9.23	10.35	13.20