BLUE SEAL RUDA' — ORC Rating

GPH

541

OSN

527.6

LOA

13.072 m

Displacement

8222 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7492

Medium

1.0136

High

1.1608

Triple Offshore

Low

0.9753

Medium

1.2475

High

1.4042

Boat Specifications

Dimensions

Length overall: 13.072 m
Beam: 3.85 m
Draft: 2.76 m
Displacement: 8222 kg
Crew weight: 982 kg
Wetted surface: 36.51 m²

Sails

Mainsail: 64.04 m²
Genoa: 43.23 m²
Spinnaker: 177.5 m²
Asymmetric spinnaker: 192.04 m²

Design

Type: Landmark 43
Builder: Premier Composites
Designer: Mark Mills
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.

6,42.8,5.315308,52,5.94,60,6.29,75,6.79,90,7.06,110,6.85,120,6.53,135,5.83,143.8,5.266678,150,4.91
8,41.2,6.326297,52,7.12,60,7.42,75,7.82,90,8.02,110,7.92,120,7.82,135,7.31,145,6.506729,150,6.15
10,39.8,7.015639,52,7.78,60,7.98,75,8.2,90,8.48,110,8.48,120,8.43,135,8.12,148,7.440616,150,7.28
12,38.6,7.306271,52,8.06,60,8.26,75,8.46,90,8.83,110,8.95,120,8.98,135,8.64,150,8.05,155.8,7.740209
14,37.9,7.413659,52,8.18,60,8.42,75,8.74,90,9.08,110,9.5,120,9.47,135,9.23,150,8.53,166,7.873888
16,37.5,7.461997,52,8.25,60,8.51,75,8.97,90,9.3,110,10.05,120,9.95,135,9.93,150,9.05,180,8.19
20,36.9,7.602997,52,8.37,60,8.61,75,9.18,90,9.84,110,10.81,120,11.35,135,11.67,150,10.32,180,9.15

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.94	6.29	6.79	7.06	6.85	6.53	5.83	4.91
8	7.12	7.42	7.82	8.02	7.92	7.82	7.31	6.15
10	7.78	7.98	8.2	8.48	8.48	8.43	8.12	7.28
12	8.06	8.26	8.46	8.83	8.95	8.98	8.64	8.05
14	8.18	8.42	8.74	9.08	9.5	9.47	9.23	8.53
16	8.25	8.51	8.97	9.3	10.05	9.95	9.93	9.05
20	8.37	8.61	9.18	9.84	10.81	11.35	11.67	10.32

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.9	143.8°	4.25
8	41.2°	4.76	145°	5.33
10	39.8°	5.39	148°	6.31
12	38.6°	5.71	155.8°	7.06
14	37.9°	5.85	166°	7.64
16	37.5°	5.92	180°	8.19
20	36.9°	6.08	180°	9.15

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