WALLI: ORC Rating

GPH

620.4

OSN

603.3

LOA

10.399 m

Displacement

3203 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6458

Medium

0.8818

High

1.0095

Triple Offshore

Low

0.8424

Medium

1.0926

High

1.2329

Boat Specifications

Dimensions

Length overall: 10.399 m
Beam: 3.06 m
Draft: 1.82 m
Displacement: 3203 kg
Crew weight: 605 kg
Wetted surface: 22.3 m²

Sails

Mainsail: 33.43 m²
Genoa: 28.09 m²
Spinnaker: 78.57 m²
Asymmetric spinnaker: 66.48 m²

Design

Type: FIRST CLASS 10 Mod
Builder: BENETEAU SA
Designer: FINOT Jean Marie
Year built: 1983
Stability index: 96.4

Performance data

Polar CSV

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

6,43.5,4.673449,52,5.22,60,5.56,75,5.87,90,6.1,110,5.82,120,5.51,135,4.97,139.8,4.7133,150,4.15
8,42,5.584376,52,6.27,60,6.56,75,6.85,90,7.04,110,6.9,120,6.74,135,6.2,147.9,5.406542,150,5.29
10,40.6,6.203316,52,6.86,60,7.05,75,7.25,90,7.51,110,7.46,120,7.38,135,7.04,150,6.31,150.2,6.303547
12,39.4,6.367007,52,7.06,60,7.28,75,7.54,90,7.9,110,8.01,120,7.95,135,7.55,150,7.06,156.8,6.76723
14,39,6.446665,52,7.14,60,7.38,75,7.79,90,8.15,110,8.55,120,8.58,135,8.14,150,7.54,169.4,6.918054
16,39.3,6.55174,52,7.19,60,7.44,75,7.93,90,8.39,110,9.09,120,9.21,135,8.8,150,8.08,177.2,7.298714
20,39.4,6.677593,52,7.33,60,7.62,75,8.06,90,8.77,110,9.83,120,10.29,135,10.46,150,9.37,173.6,8.301737

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.22	5.56	5.87	6.1	5.82	5.51	4.97	4.15
8	6.27	6.56	6.85	7.04	6.9	6.74	6.2	5.29
10	6.86	7.05	7.25	7.51	7.46	7.38	7.04	6.31
12	7.06	7.28	7.54	7.9	8.01	7.95	7.55	7.06
14	7.14	7.38	7.79	8.15	8.55	8.58	8.14	7.54
16	7.19	7.44	7.93	8.39	9.09	9.21	8.8	8.08
20	7.33	7.62	8.06	8.77	9.83	10.29	10.46	9.37

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.39	139.8°	3.6
8	42°	4.15	147.9°	4.58
10	40.6°	4.71	150.2°	5.47
12	39.4°	4.92	156.8°	6.22
14	39°	5.01	169.4°	6.8
16	39.3°	5.07	177.2°	7.29
20	39.4°	5.16	173.6°	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°	5.22	6.27	6.86	7.06	7.14	7.19	7.33
60°	5.56	6.56	7.05	7.28	7.38	7.44	7.62
75°	5.87	6.85	7.25	7.54	7.79	7.93	8.06
90°	6.10	7.04	7.51	7.90	8.15	8.39	8.77
110°	5.82	6.90	7.46	8.01	8.55	9.09	9.83
120°	5.51	6.74	7.38	7.95	8.58	9.21	10.29
135°	4.97	6.20	7.04	7.55	8.14	8.80	10.46
150°	4.15	5.29	6.31	7.06	7.54	8.08	9.37