PETRUS-K — ORC Rating

GPH

678.2

OSN

660.6

LOA

7.512 m

Displacement

1335 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7017

Medium

0.9157

High

1.021

Triple Offshore

Low

0.8949

Medium

1.1094

High

1.235

Boat Specifications

Dimensions

Length overall: 7.512 m
Beam: 2.55 m
Draft: 1.57 m
Displacement: 1335 kg
Crew weight: 380 kg
Wetted surface: 12.23 m²

Sails

Mainsail: 20.89 m²
Genoa: 13.2 m²
Spinnaker: 43.86 m²
Asymmetric spinnaker: 0 m²

Design

Type: FARR PLATU 25
Builder: Beneteau
Designer: Bruce Farr
Year built: 1995

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.

6,41.5,4.392783,52,4.93,60,5.18,75,5.37,90,5.41,110,5.46,120,5.31,135,4.82,145.9,4.238822,150,4.06
8,40.7,5.210158,52,5.77,60,5.92,75,6.03,90,6.15,110,6.22,120,6.14,135,5.82,149.6,5.101368,150,5.08
10,38.1,5.527775,52,6.09,60,6.23,75,6.36,90,6.43,110,6.7,120,6.62,135,6.32,150,5.9,155.6,5.666073
12,37.5,5.621707,52,6.2,60,6.38,75,6.63,90,6.72,110,7.15,120,7.2,135,6.78,150,6.36,173.5,5.817395
14,37.5,5.646916,52,6.25,60,6.45,75,6.84,90,7.09,110,7.45,120,7.76,135,7.36,150,6.8,180,6.25
16,37.2,5.699723,52,6.27,60,6.49,75,6.95,90,7.39,110,7.76,120,8.19,135,8.06,150,7.32,180,6.64
20,38.6,5.758007,52,6.34,60,6.61,75,7.05,90,7.71,110,8.31,120,8.94,135,10,150,8.75,180,7.63

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.18	5.37	5.41	5.46	5.31	4.82	4.06
8	5.77	5.92	6.03	6.15	6.22	6.14	5.82	5.08
10	6.09	6.23	6.36	6.43	6.7	6.62	6.32	5.9
12	6.2	6.38	6.63	6.72	7.15	7.2	6.78	6.36
14	6.25	6.45	6.84	7.09	7.45	7.76	7.36	6.8
16	6.27	6.49	6.95	7.39	7.76	8.19	8.06	7.32
20	6.34	6.61	7.05	7.71	8.31	8.94	10	8.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.5°	3.29	145.9°	3.51
8	40.7°	3.95	149.6°	4.4
10	38.1°	4.35	155.6°	5.16
12	37.5°	4.46	173.5°	5.78
14	37.5°	4.48	180°	6.25
16	37.2°	4.54	180°	6.64
20	38.6°	4.5	180°	7.63

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