ORC Rating | RegattaPages

GPH

646.8

OSN

628.6

LOA

9.61 m

Displacement

3713 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7057

Medium

0.9549

High

1.0809

Triple Offshore

Low

0.9136

Medium

1.1782

High

1.3099

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.35 m
Draft: 1.91 m
Displacement: 3713 kg
Crew weight: 585 kg
Wetted surface: 21.06 m²

Sails

Mainsail: 28.85 m²
Genoa: 24.17 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 106.64 m²

Design

Type: J-97
Builder: JOHNSTONE
Designer: JOHNSTONE
Year built: 2009

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.

6,42.5,4.313167,52,4.82,60,5.08,75,5.3,90,5.68,110,5.81,120,5.65,135,5,145.3,4.488265,150,4.26
8,41.2,5.116858,52,5.77,60,6.06,75,6.3,90,6.69,110,6.82,120,6.73,135,6.26,147.7,5.453931,150,5.32
10,41.1,5.838925,52,6.45,60,6.64,75,6.78,90,7.05,110,7.29,120,7.24,135,6.97,148,6.450106,150,6.31
12,39.2,6.15528,52,6.77,60,6.93,75,7.08,90,7.23,110,7.69,120,7.72,135,7.41,150,6.89,150.7,6.845786
14,38.9,6.309082,52,6.92,60,7.11,75,7.32,90,7.39,110,7.95,120,8.19,135,7.9,150,7.2,174.2,6.362572
16,38.8,6.351545,52,6.98,60,7.2,75,7.53,90,7.68,110,8.19,120,8.54,135,8.41,150,7.51,176.8,6.830651
20,39.1,6.39137,52,6.98,60,7.23,75,7.73,90,8.16,110,8.59,120,9.1,135,9.75,150,8.42,177.1,7.489591

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.82	5.08	5.3	5.68	5.81	5.65	5	4.26
8	5.77	6.06	6.3	6.69	6.82	6.73	6.26	5.32
10	6.45	6.64	6.78	7.05	7.29	7.24	6.97	6.31
12	6.77	6.93	7.08	7.23	7.69	7.72	7.41	6.89
14	6.92	7.11	7.32	7.39	7.95	8.19	7.9	7.2
16	6.98	7.2	7.53	7.68	8.19	8.54	8.41	7.51
20	6.98	7.23	7.73	8.16	8.59	9.1	9.75	8.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.18	145.3°	3.69
8	41.2°	3.85	147.7°	4.61
10	41.1°	4.4	148°	5.47
12	39.2°	4.77	150.7°	5.97
14	38.9°	4.91	174.2°	6.33
16	38.8°	4.95	176.8°	6.82
20	39.1°	4.96	177.1°	7.48

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