BLUE FLAG — ORC Rating

GPH

642.9

OSN

624.9

LOA

10.73 m

Displacement

5318 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6374

Medium

0.8555

High

0.9756

Triple Offshore

Low

0.8201

Medium

1.0528

High

1.1666

Boat Specifications

Dimensions

Length overall: 10.73 m
Beam: 3.38 m
Draft: 1.99 m
Displacement: 5318 kg
Crew weight: 260 kg
Wetted surface: 25.31 m²

Sails

Mainsail: 36.13 m²
Genoa: 31.72 m²
Spinnaker: 83.31 m²
Asymmetric spinnaker: 80.47 m²

Design

Type: J-35
Builder: BASHFORD
Designer: JOHNSTONE
Year built: 1983
Stability index: 118.5

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.

6,43,4.580547,52,5.09,60,5.37,75,5.59,90,5.53,110,5.54,120,5.38,135,4.86,144.8,4.381108,150,4.14
8,41.2,5.382668,52,6.06,60,6.34,75,6.54,90,6.58,110,6.68,120,6.53,135,6.02,147.8,5.34157,150,5.22
10,41.1,5.998168,52,6.65,60,6.85,75,7.02,90,7.1,110,7.23,120,7.16,135,6.86,150,6.16,151.4,6.082122
12,40.2,6.205845,52,6.86,60,7.07,75,7.26,90,7.33,110,7.59,120,7.56,135,7.32,150,6.88,157.7,6.560675
14,39.9,6.295906,52,6.95,60,7.16,75,7.43,90,7.57,110,7.88,120,7.98,135,7.72,150,7.31,170,6.762741
16,39.4,6.328184,52,6.99,60,7.21,75,7.53,90,7.79,110,8.09,120,8.38,135,8.17,150,7.68,179,7.141088
20,39.4,6.444653,52,7.11,60,7.31,75,7.62,90,8.11,110,8.47,120,8.88,135,9.14,150,8.53,178.4,7.863066

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.09	5.37	5.59	5.53	5.54	5.38	4.86	4.14
8	6.06	6.34	6.54	6.58	6.68	6.53	6.02	5.22
10	6.65	6.85	7.02	7.1	7.23	7.16	6.86	6.16
12	6.86	7.07	7.26	7.33	7.59	7.56	7.32	6.88
14	6.95	7.16	7.43	7.57	7.88	7.98	7.72	7.31
16	6.99	7.21	7.53	7.79	8.09	8.38	8.17	7.68
20	7.11	7.31	7.62	8.11	8.47	8.88	9.14	8.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.35	144.8°	3.58
8	41.2°	4.05	147.8°	4.52
10	41.1°	4.52	151.4°	5.34
12	40.2°	4.74	157.7°	6.07
14	39.9°	4.83	170°	6.66
16	39.4°	4.89	179°	7.14
20	39.4°	4.98	178.4°	7.86

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