Ferdinand II — ORC Rating

GPH

659.3

OSN

640.2

LOA

10.8 m

Displacement

6138 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6205

Medium

0.8397

High

0.9721

Triple Offshore

Low

0.7965

Medium

1.0255

High

1.1508

Boat Specifications

Dimensions

Length overall: 10.8 m
Beam: 3.63 m
Draft: 1.85 m
Displacement: 6138 kg
Crew weight: 595 kg
Wetted surface: 26.49 m²

Sails

Mainsail: 28.49 m²
Genoa: 43.23 m²
Spinnaker: 102.36 m²
Asymmetric spinnaker: 0 m²

Design

Type: PRETORIEN 35
Builder: Wauquiez
Designer: Holman&Pye
Year built: 1979

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.

6,42.8,4.402165,52,4.93,60,5.22,75,5.43,90,5.36,110,5.37,120,5.25,135,4.81,147,4.256737,150,4.12
8,41.6,5.148449,52,5.8,60,6.11,75,6.31,90,6.28,110,6.45,120,6.34,135,5.87,150,5.14,151,5.087926
10,42,5.840046,52,6.41,60,6.6,75,6.74,90,6.83,110,6.95,120,6.9,135,6.65,150,6.03,151,5.979742
12,40.1,6.183642,52,6.72,60,6.86,75,6.99,90,7.12,110,7.29,120,7.25,135,7.04,150,6.68,159,6.341178
14,39,6.330857,52,6.89,60,7.04,75,7.2,90,7.28,110,7.63,120,7.61,135,7.37,150,7.04,180,6.51
16,38.6,6.410581,52,6.99,60,7.18,75,7.39,90,7.45,110,7.95,120,7.98,135,7.74,150,7.35,180,6.91
20,38.6,6.436172,52,7.05,60,7.28,75,7.7,90,7.88,110,8.29,120,8.59,135,8.47,150,8.03,180,7.52

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.22	5.43	5.36	5.37	5.25	4.81	4.12
8	5.8	6.11	6.31	6.28	6.45	6.34	5.87	5.14
10	6.41	6.6	6.74	6.83	6.95	6.9	6.65	6.03
12	6.72	6.86	6.99	7.12	7.29	7.25	7.04	6.68
14	6.89	7.04	7.2	7.28	7.63	7.61	7.37	7.04
16	6.99	7.18	7.39	7.45	7.95	7.98	7.74	7.35
20	7.05	7.28	7.7	7.88	8.29	8.59	8.47	8.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.23	147°	3.57
8	41.6°	3.85	151°	4.45
10	42°	4.34	151°	5.23
12	40.1°	4.73	159°	5.92
14	39°	4.92	180°	6.51
16	38.6°	5.01	180°	6.91
20	38.6°	5.03	180°	7.52

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