La Belle: ORC Rating

GPH

530.1

OSN

516

LOA

17.175 m

Displacement

18957 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.847

Medium

1.1538

High

1.3501

Triple Offshore

Low

1.1025

Medium

1.442

High

1.6246

Boat Specifications

Dimensions

Length overall: 17.175 m
Beam: 4.71 m
Draft: 2.67 m
Displacement: 18957 kg
Crew weight: 1237 kg
Wetted surface: 56.61 m²

Sails

Mainsail: 78.14 m²
Genoa: 98.84 m²
Spinnaker: 204.72 m²
Asymmetric spinnaker: 193.6 m²

Design

Type: Swan 56
Builder: Nautors
Designer: Frers
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.

6,43.7,5.657242,52,6.3,60,6.69,75,7.03,90,6.97,110,6.43,120,6.24,135,5.58,142,5.164904,150,4.7
8,42,6.687795,52,7.51,60,7.89,75,8.19,90,8.16,110,7.84,120,7.64,135,6.95,146.4,6.183058,150,5.94
10,41.6,7.448535,52,8.29,60,8.59,75,8.8,90,8.82,110,8.78,120,8.64,135,8.11,149,7.116464,150,7.04
12,40.7,7.808643,52,8.64,60,8.9,75,9.12,90,9.18,110,9.25,120,9.18,135,8.85,150,8.04,151.4,7.938651
14,39.8,7.965809,52,8.8,60,9.05,75,9.34,90,9.46,110,9.62,120,9.58,135,9.3,150,8.76,156.9,8.371189
16,39.1,8.040756,52,8.89,60,9.14,75,9.49,90,9.7,110,9.93,120,10.02,135,9.71,150,9.21,171.2,8.429226
20,38.3,8.10422,52,8.96,60,9.22,75,9.65,90,10.14,110,10.39,120,10.83,135,10.7,150,10.02,180,9.29

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.3	6.69	7.03	6.97	6.43	6.24	5.58	4.7
8	7.51	7.89	8.19	8.16	7.84	7.64	6.95	5.94
10	8.29	8.59	8.8	8.82	8.78	8.64	8.11	7.04
12	8.64	8.9	9.12	9.18	9.25	9.18	8.85	8.04
14	8.8	9.05	9.34	9.46	9.62	9.58	9.3	8.76
16	8.89	9.14	9.49	9.7	9.93	10.02	9.71	9.21
20	8.96	9.22	9.65	10.14	10.39	10.83	10.7	10.02

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.7°	4.09	142°	4.07
8	42°	4.97	146.4°	5.15
10	41.6°	5.57	149°	6.1
12	40.7°	5.92	151.4°	6.97
14	39.8°	6.12	156.9°	7.7
16	39.1°	6.24	171.2°	8.33
20	38.3°	6.36	180°	9.29

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°	6.30	7.51	8.29	8.64	8.80	8.89	8.96
60°	6.69	7.89	8.59	8.90	9.05	9.14	9.22
75°	7.03	8.19	8.80	9.12	9.34	9.49	9.65
90°	6.97	8.16	8.82	9.18	9.46	9.70	10.14
110°	6.43	7.84	8.78	9.25	9.62	9.93	10.39
120°	6.24	7.64	8.64	9.18	9.58	10.02	10.83
135°	5.58	6.95	8.11	8.85	9.30	9.71	10.70
150°	4.70	5.94	7.04	8.04	8.76	9.21	10.02