BLUE SEAL RUDA' — ORC Rating

GPH

538.1

OSN

522.5

LOA

13.072 m

Displacement

8222 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7743

Medium

1.0262

High

1.1491

Triple Offshore

Low

0.9914

Medium

1.2514

High

1.3852

Boat Specifications

Dimensions

Length overall: 13.072 m
Beam: 3.85 m
Draft: 2.76 m
Displacement: 8222 kg
Crew weight: 977 kg
Wetted surface: 36.71 m²

Sails

Mainsail: 64.24 m²
Genoa: 44.53 m²
Spinnaker: 0 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.

6,42.6,5.556332,52,6.2,60,6.53,75,6.75,90,6.6,110,6.73,120,6.57,135,5.9,143,5.396705,150,4.98
8,40.6,6.55892,52,7.31,60,7.54,75,7.69,90,7.69,110,7.88,120,7.82,135,7.34,146,6.561826,150,6.28
10,38.5,7.078894,52,7.84,60,8.02,75,8.15,90,8.14,110,8.45,120,8.43,135,8.14,149.6,7.408578,150,7.38
12,37.2,7.294139,52,8.1,60,8.29,75,8.47,90,8.49,110,8.82,120,8.93,135,8.69,150,8.11,151.8,7.999515
14,36.6,7.411398,52,8.23,60,8.44,75,8.71,90,8.8,110,9.1,120,9.41,135,9.24,150,8.54,151.4,8.428409
16,36.4,7.504096,52,8.31,60,8.55,75,8.9,90,9.1,110,9.37,120,9.77,135,9.86,150,8.93,173,7.868652
20,36.4,7.591064,52,8.41,60,8.67,75,9.14,90,9.59,110,9.88,120,10.5,135,11.51,143.9,10.816967,150,10.1

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.2	6.53	6.75	6.6	6.73	6.57	5.9	4.98
8	7.31	7.54	7.69	7.69	7.88	7.82	7.34	6.28
10	7.84	8.02	8.15	8.14	8.45	8.43	8.14	7.38
12	8.1	8.29	8.47	8.49	8.82	8.93	8.69	8.11
14	8.23	8.44	8.71	8.8	9.1	9.41	9.24	8.54
16	8.31	8.55	8.9	9.1	9.37	9.77	9.86	8.93
20	8.41	8.67	9.14	9.59	9.88	10.5	11.51	10.1

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	4.09	143°	4.31
8	40.6°	4.98	146°	5.44
10	38.5°	5.54	149.6°	6.39
12	37.2°	5.81	151.8°	7.05
14	36.6°	5.95	151.4°	7.4
16	36.4°	6.04	173°	7.81
20	36.4°	6.11	143.9°	8.74

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