J-OACHIM: ORC Rating

GPH

739.9

OSN

723

LOA

7.15 m

Displacement

1978 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5663

Medium

0.7408

High

0.8281

Triple Offshore

Low

0.7269

Medium

0.9065

High

0.9949

Boat Specifications

Dimensions

Length overall: 7.15 m
Beam: 2.68 m
Draft: 1.5 m
Displacement: 1978 kg
Crew weight: 399 kg
Wetted surface: 13.52 m²

Sails

Mainsail: 19.68 m²
Genoa: 14.36 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 58.64 m²

Design

Type: JOUET 24 Mod
Builder: YACHTING FRANCE
Designer: TORTAROLO Daniel
Year built: 1976
Stability index: 117.9

Performance data

Polar CSV

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

6,42.4,3.900033,52,4.37,60,4.6,75,4.77,90,5.12,110,5.16,120,4.95,135,4.47,147.5,3.983915,150,3.88
8,41.8,4.614501,52,5.16,60,5.39,75,5.54,90,5.8,110,5.86,120,5.8,135,5.47,147.3,4.919723,150,4.78
10,40.5,5.089387,52,5.58,60,5.73,75,5.84,90,6.1,110,6.23,120,6.18,135,5.98,148.7,5.594184,150,5.52
12,38.7,5.279138,52,5.78,60,5.92,75,6.05,90,6.31,110,6.59,120,6.58,135,6.34,150,5.9,154.1,5.702802
14,38.2,5.369934,52,5.89,60,6.05,75,6.24,90,6.45,110,6.87,120,6.96,135,6.75,150,6.13,174.8,5.643225
16,38.1,5.4007,52,5.94,60,6.12,75,6.4,90,6.58,110,7.1,120,7.28,135,7.14,150,6.4,177.2,5.937088
20,39,5.40439,52,5.95,60,6.16,75,6.57,90,6.91,110,7.38,120,7.69,135,7.87,150,7,176.3,6.473493

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.37	4.6	4.77	5.12	5.16	4.95	4.47	3.88
8	5.16	5.39	5.54	5.8	5.86	5.8	5.47	4.78
10	5.58	5.73	5.84	6.1	6.23	6.18	5.98	5.52
12	5.78	5.92	6.05	6.31	6.59	6.58	6.34	5.9
14	5.89	6.05	6.24	6.45	6.87	6.96	6.75	6.13
16	5.94	6.12	6.4	6.58	7.1	7.28	7.14	6.4
20	5.95	6.16	6.57	6.91	7.38	7.69	7.87	7

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	2.88	147.5°	3.36
8	41.8°	3.44	147.3°	4.14
10	40.5°	3.87	148.7°	4.78
12	38.7°	4.12	154.1°	5.13
14	38.2°	4.22	174.8°	5.62
16	38.1°	4.25	177.2°	5.93
20	39°	4.2	176.3°	6.46

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°	4.37	5.16	5.58	5.78	5.89	5.94	5.95
60°	4.60	5.39	5.73	5.92	6.05	6.12	6.16
75°	4.77	5.54	5.84	6.05	6.24	6.40	6.57
90°	5.12	5.80	6.10	6.31	6.45	6.58	6.91
110°	5.16	5.86	6.23	6.59	6.87	7.10	7.38
120°	4.95	5.80	6.18	6.58	6.96	7.28	7.69
135°	4.47	5.47	5.98	6.34	6.75	7.14	7.87
150°	3.88	4.78	5.52	5.90	6.13	6.40	7.00