JONATHAN — ORC Rating

GPH

680.8

OSN

662.3

LOA

7.53 m

Displacement

1422 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6205

Medium

0.8116

High

0.9052

Triple Offshore

Low

0.7921

Medium

0.9837

High

1.0888

Boat Specifications

Dimensions

Length overall: 7.53 m
Beam: 2.58 m
Draft: 1.61 m
Displacement: 1422 kg
Crew weight: 400 kg
Wetted surface: 12.46 m²

Sails

Mainsail: 20.78 m²
Genoa: 12.6 m²
Spinnaker: 44.29 m²
Asymmetric spinnaker: 0 m²

Design

Type: Farr Platu 25
Builder: Beneteau
Designer: Farr
Year built: 1997
Stability index: 106.1

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.

6,42.4,4.482329,52,4.98,60,5.22,75,5.35,90,5.38,110,5.41,120,5.25,135,4.75,144.2,4.241343,150,3.97
8,40,5.195521,52,5.77,60,5.93,75,6.03,90,6.1,110,6.23,120,6.12,135,5.76,149.6,5.043398,150,5.02
10,37.6,5.477795,52,6.09,60,6.23,75,6.37,90,6.4,110,6.69,120,6.64,135,6.32,150,5.85,155.6,5.611169
12,37.2,5.599287,52,6.22,60,6.4,75,6.63,90,6.72,110,7.07,120,7.14,135,6.8,150,6.37,164.6,5.933023
14,37.2,5.66206,52,6.29,60,6.49,75,6.81,90,7.02,110,7.35,120,7.59,135,7.32,150,6.81,177.2,6.227435
16,37.2,5.687169,52,6.33,60,6.55,75,6.93,90,7.27,110,7.6,120,8.02,135,7.98,150,7.3,177.2,6.637925
20,38.2,5.700783,52,6.35,60,6.6,75,7.06,90,7.58,110,8.08,120,8.73,135,9.7,150,8.62,174.8,7.57116

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.98	5.22	5.35	5.38	5.41	5.25	4.75	3.97
8	5.77	5.93	6.03	6.1	6.23	6.12	5.76	5.02
10	6.09	6.23	6.37	6.4	6.69	6.64	6.32	5.85
12	6.22	6.4	6.63	6.72	7.07	7.14	6.8	6.37
14	6.29	6.49	6.81	7.02	7.35	7.59	7.32	6.81
16	6.33	6.55	6.93	7.27	7.6	8.02	7.98	7.3
20	6.35	6.6	7.06	7.58	8.08	8.73	9.7	8.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.31	144.2°	3.44
8	40°	3.98	149.6°	4.35
10	37.6°	4.34	155.6°	5.11
12	37.2°	4.46	164.6°	5.72
14	37.2°	4.51	177.2°	6.22
16	37.2°	4.53	177.2°	6.63
20	38.2°	4.48	174.8°	7.54

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