LAGERTHA — ORC Rating

GPH

540.8

OSN

526.9

LOA

12.801 m

Displacement

7847 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7675

Medium

1.0123

High

1.1374

Triple Offshore

Low

0.9881

Medium

1.2435

High

1.3801

Boat Specifications

Dimensions

Length overall: 12.801 m
Beam: 3.91 m
Draft: 2.75 m
Displacement: 7847 kg
Crew weight: 935 kg
Wetted surface: 35.08 m²

Sails

Mainsail: 62.44 m²
Genoa: 50.53 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 186.04 m²

Design

Type: SWAN 42 NYYC
Builder: NAUTOR
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.

6,42.4,5.497963,52,6.17,60,6.52,75,6.82,90,6.76,110,6.7,120,6.54,135,5.88,143,5.371662,150,4.95
8,40.7,6.489615,52,7.31,60,7.57,75,7.75,90,7.75,110,7.89,120,7.81,135,7.31,145.5,6.515992,150,6.2
10,39.4,7.078766,52,7.83,60,8.02,75,8.19,90,8.21,110,8.45,120,8.41,135,8.1,149,7.373123,150,7.3
12,37.9,7.236238,52,8.03,60,8.24,75,8.49,90,8.57,110,8.81,120,8.97,135,8.63,150,8.05,152,7.905339
14,37.5,7.335949,52,8.12,60,8.36,75,8.74,90,8.94,110,9.12,120,9.47,135,9.25,150,8.44,152,8.301738
16,37.1,7.409878,52,8.18,60,8.43,75,8.9,90,9.3,110,9.45,120,9.87,135,9.97,150,8.88,176,7.839096
20,37.1,7.560333,52,8.33,60,8.58,75,9.06,90,9.76,110,10.12,120,10.7,135,11.71,143.5,10.984543,150,10.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.17	6.52	6.82	6.76	6.7	6.54	5.88	4.95
8	7.31	7.57	7.75	7.75	7.89	7.81	7.31	6.2
10	7.83	8.02	8.19	8.21	8.45	8.41	8.1	7.3
12	8.03	8.24	8.49	8.57	8.81	8.97	8.63	8.05
14	8.12	8.36	8.74	8.94	9.12	9.47	9.25	8.44
16	8.18	8.43	8.9	9.3	9.45	9.87	9.97	8.88
20	8.33	8.58	9.06	9.76	10.12	10.7	11.71	10.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	4.06	143°	4.29
8	40.7°	4.92	145.5°	5.37
10	39.4°	5.47	149°	6.32
12	37.9°	5.71	152°	6.98
14	37.5°	5.82	152°	7.33
16	37.1°	5.91	176°	7.82
20	37.1°	6.03	143.5°	8.83

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