MATCHLESS — ORC Rating

GPH

561.5

OSN

547.5

LOA

17.46 m

Displacement

23983 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7258

Medium

0.9643

High

1.1101

Triple Offshore

Low

0.9387

Medium

1.2039

High

1.343

Boat Specifications

Dimensions

Length overall: 17.46 m
Beam: 4.74 m
Draft: 2.84 m
Displacement: 23983 kg
Crew weight: 1100 kg
Wetted surface: 60.69 m²

Sails

Mainsail: 67.06 m²
Genoa: 138.88 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 193.72 m²

Design

Type: SWAN 57
Builder: NAUTOR
Designer: SPARKMAN&STEPHENS
Year built: 1978
Stability index: 128

Velocity Prediction

Polar CSV

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

6,43,5.633389,52,6.26,60,6.57,75,6.76,90,6.62,110,6.12,120,5.85,135,5.16,143.3,4.714536,150,4.36
8,40.8,6.472962,52,7.26,60,7.55,75,7.72,90,7.63,110,7.35,120,7.08,135,6.45,147.5,5.738735,150,5.59
10,40.2,6.978303,52,7.83,60,8.08,75,8.26,90,8.26,110,8.19,120,8.01,135,7.49,147.9,6.74047,150,6.59
12,39.6,7.267883,52,8.1,60,8.35,75,8.56,90,8.62,110,8.68,120,8.58,135,8.25,147.8,7.610555,150,7.43
14,39,7.424603,52,8.26,60,8.5,75,8.75,90,8.86,110,9,120,8.97,135,8.74,148.2,8.189269,150,8.03
16,38.5,7.526116,52,8.36,60,8.6,75,8.87,90,9.04,110,9.25,120,9.27,135,9.1,150,8.43,168.5,7.561805
20,38.2,7.673153,52,8.49,60,8.72,75,9.04,90,9.31,110,9.7,120,9.79,135,9.72,150,9.01,172.1,8.49058

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.26	6.57	6.76	6.62	6.12	5.85	5.16	4.36
8	7.26	7.55	7.72	7.63	7.35	7.08	6.45	5.59
10	7.83	8.08	8.26	8.26	8.19	8.01	7.49	6.59
12	8.1	8.35	8.56	8.62	8.68	8.58	8.25	7.43
14	8.26	8.5	8.75	8.86	9	8.97	8.74	8.03
16	8.36	8.6	8.87	9.04	9.25	9.27	9.1	8.43
20	8.49	8.72	9.04	9.31	9.7	9.79	9.72	9.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.12	143.3°	3.78
8	40.8°	4.9	147.5°	4.84
10	40.2°	5.33	147.9°	5.71
12	39.6°	5.6	147.8°	6.44
14	39°	5.77	148.2°	6.96
16	38.5°	5.89	168.5°	7.41
20	38.2°	6.03	172.1°	8.41

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