JSQUARRED — ORC Rating

GPH

615.7

OSN

596

LOA

10.57 m

Displacement

3910 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6628

Medium

0.8941

High

1.012

Triple Offshore

Low

0.8514

Medium

1.1006

High

1.2342

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2 m
Displacement: 3910 kg
Crew weight: 645 kg
Wetted surface: 24.74 m²

Sails

Mainsail: 34.74 m²
Genoa: 26 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 95.34 m²

Design

Type: J 105
Builder: TILLOTSON-PEARSON
Designer: JOHNSTONE Rodney
Year built: 1991
Stability index: 107.7

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.

6,43.2,4.705278,52,5.23,60,5.51,75,5.67,90,5.76,110,5.83,120,5.68,135,5.12,143.9,4.653524,150,4.34
8,41.2,5.595317,52,6.23,60,6.48,75,6.63,90,6.82,110,6.95,120,6.84,135,6.34,147.8,5.625193,150,5.5
10,39.4,6.172891,52,6.83,60,7.01,75,7.16,90,7.31,110,7.55,120,7.49,135,7.16,149.2,6.519513,150,6.46
12,37.8,6.441774,52,7.14,60,7.31,75,7.49,90,7.55,110,8.01,120,8.04,135,7.72,150,7.11,150.1,7.105806
14,37.2,6.540872,52,7.28,60,7.49,75,7.77,90,7.87,110,8.36,120,8.54,135,8.29,149.3,7.571068,150,7.52
16,37,6.623798,52,7.36,60,7.6,75,7.97,90,8.18,110,8.64,120,9.02,135,8.9,150,7.91,173,7.012268
20,37.5,6.730923,52,7.45,60,7.72,75,8.19,90,8.66,110,9.18,120,9.85,135,10.47,142.6,9.843726,150,9.03

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.23	5.51	5.67	5.76	5.83	5.68	5.12	4.34
8	6.23	6.48	6.63	6.82	6.95	6.84	6.34	5.5
10	6.83	7.01	7.16	7.31	7.55	7.49	7.16	6.46
12	7.14	7.31	7.49	7.55	8.01	8.04	7.72	7.11
14	7.28	7.49	7.77	7.87	8.36	8.54	8.29	7.52
16	7.36	7.6	7.97	8.18	8.64	9.02	8.9	7.91
20	7.45	7.72	8.19	8.66	9.18	9.85	10.47	9.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.43	143.9°	3.76
8	41.2°	4.21	147.8°	4.76
10	39.4°	4.77	149.2°	5.6
12	37.8°	5.09	150.1°	6.16
14	37.2°	5.21	149.3°	6.51
16	37°	5.29	173°	6.96
20	37.5°	5.34	142.6°	7.82

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