ALEPH IV: ORC Rating

GPH

600.4

OSN

584

LOA

12.153 m

Displacement

9212 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6691

Medium

0.9136

High

1.0622

Triple Offshore

Low

0.8704

Medium

1.1298

High

1.2633

Boat Specifications

Dimensions

Length overall: 12.153 m
Beam: 3.84 m
Draft: 2.53 m
Displacement: 9212 kg
Crew weight: 480 kg
Wetted surface: 33.39 m²

Sails

Mainsail: 49.01 m²
Genoa: 40.88 m²
Spinnaker: 115.88 m²
Asymmetric spinnaker: 108.31 m²

Design

Type: GRAND SOLEIL 40 DK
Builder: GRAND SOLEIL
Designer: B & C
Year built: 2006
Stability index: 121

Performance data

Polar CSV

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

6,42.6,4.809148,52,5.37,60,5.66,75,6.04,90,6.25,110,6.02,120,5.7,135,5.14,140.8,4.826152,150,4.32
8,40.6,5.636984,52,6.36,60,6.67,75,7.11,90,7.32,110,7.15,120,6.92,135,6.32,147.8,5.554287,150,5.42
10,40.5,6.365021,52,7.1,60,7.33,75,7.61,90,7.81,110,7.75,120,7.65,135,7.27,149.8,6.433139,150,6.42
12,39.4,6.729357,52,7.45,60,7.64,75,7.81,90,8.09,110,8.12,120,8.06,135,7.79,150,7.28,155.6,6.994745
14,38.7,6.855192,52,7.58,60,7.79,75,8,90,8.29,110,8.43,120,8.43,135,8.16,150,7.78,164,7.292499
16,38.2,6.909655,52,7.65,60,7.86,75,8.14,90,8.42,110,8.75,120,8.82,135,8.54,150,8.13,177.2,7.559024
20,37.5,7.033436,52,7.74,60,7.91,75,8.28,90,8.68,110,9.3,120,9.42,135,9.41,150,8.89,179,8.251257

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.37	5.66	6.04	6.25	6.02	5.7	5.14	4.32
8	6.36	6.67	7.11	7.32	7.15	6.92	6.32	5.42
10	7.1	7.33	7.61	7.81	7.75	7.65	7.27	6.42
12	7.45	7.64	7.81	8.09	8.12	8.06	7.79	7.28
14	7.58	7.79	8	8.29	8.43	8.43	8.16	7.78
16	7.65	7.86	8.14	8.42	8.75	8.82	8.54	8.13
20	7.74	7.91	8.28	8.68	9.3	9.42	9.41	8.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.54	140.8°	3.74
8	40.6°	4.28	147.8°	4.7
10	40.5°	4.84	149.8°	5.56
12	39.4°	5.2	155.6°	6.37
14	38.7°	5.35	164°	7.01
16	38.2°	5.43	177.2°	7.55
20	37.5°	5.58	179°	8.25

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°	5.37	6.36	7.10	7.45	7.58	7.65	7.74
60°	5.66	6.67	7.33	7.64	7.79	7.86	7.91
75°	6.04	7.11	7.61	7.81	8.00	8.14	8.28
90°	6.25	7.32	7.81	8.09	8.29	8.42	8.68
110°	6.02	7.15	7.75	8.12	8.43	8.75	9.30
120°	5.70	6.92	7.65	8.06	8.43	8.82	9.42
135°	5.14	6.32	7.27	7.79	8.16	8.54	9.41
150°	4.32	5.42	6.42	7.28	7.78	8.13	8.89