YOLDAN: ORC Rating

GPH

639.8

OSN

618.5

LOA

12.64 m

Displacement

8924 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6057

Medium

0.8547

High

1.0341

Triple Offshore

Low

0.7895

Medium

1.0698

High

1.2404

Boat Specifications

Dimensions

Length overall: 12.64 m
Beam: 3.95 m
Draft: 2.06 m
Displacement: 8924 kg
Crew weight: 830 kg
Wetted surface: 36.78 m²

Sails

Mainsail: 32.77 m²
Genoa: 49.37 m²
Spinnaker: 110.95 m²
Asymmetric spinnaker: 0 m²

Design

Type: OCEANIS 423 GTE
Builder: BENETEAU SA
Designer: FINOT Jean-Marie
Year built: 1997

Performance data

Polar CSV

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

6,45.4,4.429234,52,4.87,60,5.22,75,5.5,90,5.44,110,5.38,120,5.25,135,4.76,145.5,4.186252,150,3.98
8,43.5,5.266246,52,5.86,60,6.22,75,6.52,90,6.47,110,6.6,120,6.44,135,5.91,149,5.133187,150,5.08
10,42.4,5.917758,52,6.63,60,6.98,75,7.24,90,7.27,110,7.46,120,7.36,135,6.91,150,6.062178
12,41.8,6.492496,52,7.19,60,7.43,75,7.62,90,7.75,110,7.91,120,7.85,135,7.57,150,6.93,153,6.767627
14,40.5,6.838452,52,7.5,60,7.7,75,7.87,90,7.98,110,8.25,120,8.21,135,7.96,150,7.54,160,7.108708
16,39.6,6.969381,52,7.66,60,7.86,75,8.07,90,8.14,110,8.59,120,8.59,135,8.3,150,7.91,180,7.27
20,39,7.025707,52,7.76,60,7.99,75,8.37,90,8.6,110,9.09,120,9.38,135,9.12,150,8.58,180,8.03

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.87	5.22	5.5	5.44	5.38	5.25	4.76	3.98
8	5.86	6.22	6.52	6.47	6.6	6.44	5.91	5.08
10	6.63	6.98	7.24	7.27	7.46	7.36	6.91	6.07
12	7.19	7.43	7.62	7.75	7.91	7.85	7.57	6.93
14	7.5	7.7	7.87	7.98	8.25	8.21	7.96	7.54
16	7.66	7.86	8.07	8.14	8.59	8.59	8.3	7.91
20	7.76	7.99	8.37	8.6	9.09	9.38	9.12	8.58

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	3.11	145.5°	3.45
8	43.5°	3.82	149°	4.4
10	42.4°	4.37	150°	5.25
12	41.8°	4.84	153°	6.03
14	40.5°	5.2	160°	6.68
16	39.6°	5.37	180°	7.27
20	39°	5.46	180°	8.03

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°	4.87	5.86	6.63	7.19	7.50	7.66	7.76
60°	5.22	6.22	6.98	7.43	7.70	7.86	7.99
75°	5.50	6.52	7.24	7.62	7.87	8.07	8.37
90°	5.44	6.47	7.27	7.75	7.98	8.14	8.60
110°	5.38	6.60	7.46	7.91	8.25	8.59	9.09
120°	5.25	6.44	7.36	7.85	8.21	8.59	9.38
135°	4.76	5.91	6.91	7.57	7.96	8.30	9.12
150°	3.98	5.08	6.07	6.93	7.54	7.91	8.58