BLUE SEAL RUDA' — ORC Rating

GPH

543.5

OSN

527.6

LOA

13.072 m

Displacement

8221 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7525

Medium

1.0173

High

1.1635

Triple Offshore

Low

0.9696

Medium

1.2437

High

1.3948

Boat Specifications

Dimensions

Length overall: 13.072 m
Beam: 3.85 m
Draft: 2.76 m
Displacement: 8221 kg
Crew weight: 982 kg
Wetted surface: 36.72 m²

Sails

Mainsail: 64.01 m²
Genoa: 44.53 m²
Spinnaker: 177.5 m²
Asymmetric spinnaker: 192.04 m²

Design

Type: Landmark 43
Builder: Premier Composites
Designer: Mark Mills
Year built: 2006
Stability index: 147.6

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.

6,43,5.318904,52,5.93,60,6.28,75,6.57,90,6.51,110,6.67,120,6.52,135,5.86,143.4,5.34368,150,4.96
8,41.4,6.332396,52,7.11,60,7.41,75,7.62,90,7.74,110,7.9,120,7.82,135,7.34,145.7,6.536752,150,6.24
10,40,7.036145,52,7.78,60,7.97,75,8.12,90,8.12,110,8.47,120,8.44,135,8.14,148.8,7.470502,150,7.38
12,38.2,7.265954,52,8.06,60,8.25,75,8.44,90,8.48,110,8.82,120,8.99,135,8.68,150,8.11,155.9,7.756064
14,37.8,7.416266,52,8.18,60,8.41,75,8.72,90,8.83,110,9.13,120,9.47,135,9.3,150,8.54,164.6,7.955644
16,37.5,7.487206,52,8.25,60,8.5,75,8.94,90,9.2,110,9.43,120,9.86,135,10.02,150,9.06,176.6,8.204441
20,36.6,7.623152,52,8.38,60,8.61,75,9.18,90,9.81,110,10.18,120,10.63,135,11.79,150,10.35,173.6,9.197318

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.93	6.28	6.57	6.51	6.67	6.52	5.86	4.96
8	7.11	7.41	7.62	7.74	7.9	7.82	7.34	6.24
10	7.78	7.97	8.12	8.12	8.47	8.44	8.14	7.38
12	8.06	8.25	8.44	8.48	8.82	8.99	8.68	8.11
14	8.18	8.41	8.72	8.83	9.13	9.47	9.3	8.54
16	8.25	8.5	8.94	9.2	9.43	9.86	10.02	9.06
20	8.38	8.61	9.18	9.81	10.18	10.63	11.79	10.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.89	143.4°	4.29
8	41.4°	4.75	145.7°	5.4
10	40°	5.39	148.8°	6.39
12	38.2°	5.71	155.9°	7.08
14	37.8°	5.86	164.6°	7.67
16	37.5°	5.94	176.6°	8.19
20	36.6°	6.12	173.6°	9.14

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