Sufficient Reason — ORC Rating

GPH

531.8

OSN

520.7

LOA

12.96 m

Displacement

7738 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7844

Medium

1.0245

High

1.1486

Triple Offshore

Low

1.0165

Medium

1.2576

High

1.3933

Boat Specifications

Dimensions

Length overall: 12.96 m
Beam: 3.91 m
Draft: 2.74 m
Displacement: 7738 kg
Crew weight: 850 kg
Wetted surface: 35.42 m²

Sails

Mainsail: 62.63 m²
Genoa: 50.06 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 185.57 m²

Design

Type: SWAN 42 OD
Builder: SWAN
Designer: FRERS
Year built: 2006

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.

6,42.4,5.70109,52,6.5,60,6.96,75,7.36,90,7.41,110,7.04,120,6.6,135,5.91,143,5.409226,150,4.98
8,40,6.618415,52,7.4,60,7.69,75,8.01,90,8.13,110,7.96,120,7.79,135,7.31,146,6.561826,150,6.28
10,38.2,7.062355,52,7.86,60,8.06,75,8.29,90,8.53,110,8.49,120,8.44,135,8.13,149.6,7.38539,150,7.36
12,37.2,7.243921,52,8.06,60,8.27,75,8.51,90,8.81,110,8.95,120,8.97,135,8.72,150,8.09,151.5,7.999389
14,36.9,7.377908,52,8.18,60,8.4,75,8.73,90,9.02,110,9.38,120,9.42,135,9.32,150,8.56,150.4,8.53369
16,36.5,7.451575,52,8.26,60,8.5,75,8.88,90,9.21,110,9.79,120,9.8,135,9.98,147.7,9.22791,150,9.01
20,36.4,7.566216,52,8.37,60,8.64,75,9.12,90,9.61,110,10.5,120,11.02,135,11.7,143.9,11.076871,150,10.33
24,37.5,7.588044,52,8.39,60,8.69,75,9.24,90,9.9,110,11.03,120,12.24,135,13.27,143.2,14.037167,150,12.98

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.5	6.96	7.36	7.41	7.04	6.6	5.91	4.98
8	7.4	7.69	8.01	8.13	7.96	7.79	7.31	6.28
10	7.86	8.06	8.29	8.53	8.49	8.44	8.13	7.36
12	8.06	8.27	8.51	8.81	8.95	8.97	8.72	8.09
14	8.18	8.4	8.73	9.02	9.38	9.42	9.32	8.56
16	8.26	8.5	8.88	9.21	9.79	9.8	9.98	9.01
20	8.37	8.64	9.12	9.61	10.5	11.02	11.7	10.33
24	8.39	8.69	9.24	9.9	11.03	12.24	13.27	12.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.21	143°	4.32
8	40°	5.07	146°	5.44
10	38.2°	5.55	149.6°	6.37
12	37.2°	5.77	151.5°	7.03
14	36.9°	5.9	150.4°	7.42
16	36.5°	5.99	147.7°	7.8
20	36.4°	6.09	143.9°	8.95
24	37.5°	6.02	143.2°	11.24

Loading polar chart…