CLEM PRIMERO: ORC Rating

GPH

534

OSN

518.3

LOA

17.175 m

Displacement

20163 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7496

Medium

1.0234

High

1.1709

Triple Offshore

Low

0.9727

Medium

1.2751

High

1.4214

Boat Specifications

Dimensions

Length overall: 17.175 m
Beam: 4.71 m
Draft: 2.7 m
Displacement: 20163 kg
Crew weight: 1150 kg
Wetted surface: 57.8 m²

Sails

Mainsail: 78 m²
Genoa: 88.99 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 227.13 m²

Design

Type: Swan 56-5
Builder: Nautor
Designer: G. 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.

6,44.1,5.611826,52,6.22,60,6.59,75,6.86,90,6.73,110,6.44,120,6.28,135,5.59,142.1,5.145206,150,4.69
8,41.8,6.626639,52,7.41,60,7.74,75,7.98,90,7.89,110,7.86,120,7.71,135,7.05,145.1,6.340289,150,6
10,40.5,7.285582,52,8.14,60,8.42,75,8.63,90,8.62,110,8.75,120,8.66,135,8.18,147.6,7.331275,150,7.15
12,39.8,7.627393,52,8.5,60,8.77,75,8.99,90,9.04,110,9.23,120,9.21,135,8.9,149.2,8.161033,150,8.1
14,39.1,7.795926,52,8.68,60,8.94,75,9.22,90,9.33,110,9.55,120,9.62,135,9.38,149.7,8.756126,150,8.73
16,38.8,7.916976,52,8.79,60,9.05,75,9.37,90,9.56,110,9.77,120,10,135,9.81,150,9.12,150.8,9.050063
20,38.3,8.015022,52,8.9,60,9.16,75,9.54,90,9.91,110,10.15,120,10.54,135,10.69,150,9.73,174.9,8.885176
24,38.5,8.075561,52,8.92,60,9.22,75,9.67,90,10.13,110,10.44,120,10.98,135,11.69,150,10.4,176.3,9.559927

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.22	6.59	6.86	6.73	6.44	6.28	5.59	4.69
8	7.41	7.74	7.98	7.89	7.86	7.71	7.05	6
10	8.14	8.42	8.63	8.62	8.75	8.66	8.18	7.15
12	8.5	8.77	8.99	9.04	9.23	9.21	8.9	8.1
14	8.68	8.94	9.22	9.33	9.55	9.62	9.38	8.73
16	8.79	9.05	9.37	9.56	9.77	10	9.81	9.12
20	8.9	9.16	9.54	9.91	10.15	10.54	10.69	9.73
24	8.92	9.22	9.67	10.13	10.44	10.98	11.69	10.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	4.03	142.1°	4.06
8	41.8°	4.94	145.1°	5.2
10	40.5°	5.54	147.6°	6.19
12	39.8°	5.86	149.2°	7.01
14	39.1°	6.05	149.7°	7.56
16	38.8°	6.17	150.8°	7.9
20	38.3°	6.29	174.9°	8.85
24	38.5°	6.32	176.3°	9.54

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	6.22	7.41	8.14	8.50	8.68	8.79	8.90	8.92
60°	6.59	7.74	8.42	8.77	8.94	9.05	9.16	9.22
75°	6.86	7.98	8.63	8.99	9.22	9.37	9.54	9.67
90°	6.73	7.89	8.62	9.04	9.33	9.56	9.91	10.13
110°	6.44	7.86	8.75	9.23	9.55	9.77	10.15	10.44
120°	6.28	7.71	8.66	9.21	9.62	10.00	10.54	10.98
135°	5.59	7.05	8.18	8.90	9.38	9.81	10.69	11.69
150°	4.69	6.00	7.15	8.10	8.73	9.12	9.73	10.40