LOUBASTAN: ORC Rating

GPH

658.3

OSN

638.2

LOA

7.321 m

Displacement

700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6806

Medium

0.9194

High

1.06

Triple Offshore

Low

0.8819

Medium

1.1587

High

1.3539

Boat Specifications

Dimensions

Length overall: 7.321 m
Beam: 2.46 m
Draft: 1.49 m
Displacement: 700 kg
Crew weight: 376 kg
Wetted surface: 11.93 m²

Sails

Mainsail: 19.48 m²
Genoa: 9.24 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 28.25 m²

Design

Type: CHACAL 24 DL
Builder: BOYER
Designer: SAINT-BLANCAT
Year built: 2017

Performance data

Polar CSV

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

6,43.5,4.328799,52,4.83,60,5.13,75,5.4,90,5.47,110,5.44,120,5.25,135,4.65,144.2,4.179696,150,3.92
8,42.2,5.22405,52,5.81,60,6.03,75,6.19,90,6.38,110,6.38,120,6.24,135,5.83,147.2,5.163184,150,5.02
10,40,5.730738,52,6.3,60,6.5,75,6.72,90,7.12,110,7.14,120,6.94,135,6.47,150,5.92,150.2,5.911736
12,38.2,5.866208,52,6.57,60,6.92,75,7.35,90,7.64,110,8.21,120,7.86,135,7.16,150,6.43,151.6,6.343442
14,38.1,5.909001,52,6.67,60,7.08,75,7.78,90,8.26,110,9.1,120,9.04,135,8.06,150,6.97,177.5,6.155859
16,38.5,5.941671,52,6.72,60,7.15,75,7.97,90,8.84,110,9.67,120,10.27,135,9.13,144.2,8.334733,150,7.8
20,39,6.073505,52,6.91,60,7.4,75,8.25,90,9.29,110,10.69,120,11.92,135,12.27,140.6,11.064616,150,9.87

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.83	5.13	5.4	5.47	5.44	5.25	4.65	3.92
8	5.81	6.03	6.19	6.38	6.38	6.24	5.83	5.02
10	6.3	6.5	6.72	7.12	7.14	6.94	6.47	5.92
12	6.57	6.92	7.35	7.64	8.21	7.86	7.16	6.43
14	6.67	7.08	7.78	8.26	9.1	9.04	8.06	6.97
16	6.72	7.15	7.97	8.84	9.67	10.27	9.13	7.8
20	6.91	7.4	8.25	9.29	10.69	11.92	12.27	9.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.14	144.2°	3.39
8	42.2°	3.87	147.2°	4.34
10	40°	4.39	150.2°	5.13
12	38.2°	4.61	151.6°	5.58
14	38.1°	4.65	177.5°	6.15
16	38.5°	4.65	144.2°	6.76
20	39°	4.72	140.6°	8.55

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°	4.83	5.81	6.30	6.57	6.67	6.72	6.91
60°	5.13	6.03	6.50	6.92	7.08	7.15	7.40
75°	5.40	6.19	6.72	7.35	7.78	7.97	8.25
90°	5.47	6.38	7.12	7.64	8.26	8.84	9.29
110°	5.44	6.38	7.14	8.21	9.10	9.67	10.69
120°	5.25	6.24	6.94	7.86	9.04	10.27	11.92
135°	4.65	5.83	6.47	7.16	8.06	9.13	12.27
150°	3.92	5.02	5.92	6.43	6.97	7.80	9.87