USUAL SUSPECTS — ORC Rating

GPH

621.9

OSN

601.1

LOA

10.57 m

Displacement

4073 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6514

Medium

0.8874

High

1.0121

Triple Offshore

Low

0.8377

Medium

1.0924

High

1.2271

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.34 m
Draft: 2.02 m
Displacement: 4073 kg
Crew weight: 520 kg
Wetted surface: 24.72 m²

Sails

Mainsail: 34.36 m²
Genoa: 24.91 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 88.95 m²

Design

Type: J 105
Builder: TPI
Designer: Johnstone
Year built: 1991

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.

6,43.4,4.638202,52,5.14,60,5.41,75,5.57,90,5.67,110,5.73,120,5.58,135,5.01,143.5,4.565489,150,4.24
8,41,5.512054,52,6.15,60,6.4,75,6.55,90,6.76,110,6.88,120,6.75,135,6.24,147.2,5.567673,150,5.4
10,39.2,6.116567,52,6.79,60,6.97,75,7.1,90,7.3,110,7.49,120,7.42,135,7.08,148.7,6.448526,150,6.36
12,37.6,6.411797,52,7.11,60,7.28,75,7.44,90,7.58,110,7.93,120,7.93,135,7.62,149.7,7.053546,150,7.03
14,36.9,6.540078,52,7.27,60,7.46,75,7.7,90,7.77,110,8.31,120,8.42,135,8.15,149.8,7.462904,150,7.44
16,36.5,6.618094,52,7.36,60,7.57,75,7.89,90,8.06,110,8.63,120,8.89,135,8.69,150,7.8,173.7,6.941923
20,36.6,6.751223,52,7.46,60,7.7,75,8.11,90,8.5,110,9.19,120,9.87,135,10.12,150,8.59,175.7,7.711707
24,37.3,6.800981,52,7.5,60,7.75,75,8.23,90,8.77,110,9.59,120,11,135,12.85,140.1,12.526638,150,11.1

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.14	5.41	5.57	5.67	5.73	5.58	5.01	4.24
8	6.15	6.4	6.55	6.76	6.88	6.75	6.24	5.4
10	6.79	6.97	7.1	7.3	7.49	7.42	7.08	6.36
12	7.11	7.28	7.44	7.58	7.93	7.93	7.62	7.03
14	7.27	7.46	7.7	7.77	8.31	8.42	8.15	7.44
16	7.36	7.57	7.89	8.06	8.63	8.89	8.69	7.8
20	7.46	7.7	8.11	8.5	9.19	9.87	10.12	8.59
24	7.5	7.75	8.23	8.77	9.59	11	12.85	11.1

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.37	143.5°	3.67
8	41°	4.16	147.2°	4.68
10	39.2°	4.74	148.7°	5.51
12	37.6°	5.08	149.7°	6.09
14	36.9°	5.23	149.8°	6.45
16	36.5°	5.32	173.7°	6.9
20	36.6°	5.42	175.7°	7.69
24	37.3°	5.41	140.1°	9.61

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