OSTINATO — ORC Rating

GPH

603.5

OSN

585.8

LOA

10.57 m

Displacement

3791 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6788

Medium

0.911

High

1.0293

Triple Offshore

Low

0.874

Medium

1.12

High

1.2535

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 1.71 m
Displacement: 3791 kg
Crew weight: 628 kg
Wetted surface: 24.37 m²

Sails

Mainsail: 34.33 m²
Genoa: 36.78 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 115.05 m²

Design

Type: J 105 SD
Builder: TPI
Designer: JOHNSTONE
Year built: 1991
Stability index: 112

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.

6,43.6,4.957387,52,5.51,60,5.82,75,6.02,90,5.87,110,5.92,120,5.78,135,5.13,143.4,4.683505,150,4.34
8,41.8,5.888855,52,6.52,60,6.74,75,6.88,90,6.86,110,7.04,120,6.95,135,6.45,147.3,5.668377,150,5.51
10,39.4,6.379948,52,7.03,60,7.19,75,7.32,90,7.32,110,7.62,120,7.59,135,7.28,147.8,6.676962,150,6.52
12,38.1,6.557085,52,7.26,60,7.44,75,7.64,90,7.68,110,8.07,120,8.13,135,7.85,150,7.24,150.5,7.203951
14,37.6,6.676851,52,7.37,60,7.58,75,7.88,90,8.01,110,8.42,120,8.64,135,8.43,148.7,7.747594,150,7.65
16,37.2,6.729189,52,7.45,60,7.68,75,8.05,90,8.3,110,8.71,120,9.15,135,9.07,150,8.04,173.9,7.059974
20,37.3,6.813552,52,7.54,60,7.8,75,8.26,90,8.73,110,9.29,120,10.05,135,10.98,141.2,10.380606,150,9.35

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.51	5.82	6.02	5.87	5.92	5.78	5.13	4.34
8	6.52	6.74	6.88	6.86	7.04	6.95	6.45	5.51
10	7.03	7.19	7.32	7.32	7.62	7.59	7.28	6.52
12	7.26	7.44	7.64	7.68	8.07	8.13	7.85	7.24
14	7.37	7.58	7.88	8.01	8.42	8.64	8.43	7.65
16	7.45	7.68	8.05	8.3	8.71	9.15	9.07	8.04
20	7.54	7.8	8.26	8.73	9.29	10.05	10.98	9.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.59	143.4°	3.76
8	41.8°	4.39	147.3°	4.77
10	39.4°	4.93	147.8°	5.65
12	38.1°	5.16	150.5°	6.27
14	37.6°	5.29	148.7°	6.62
16	37.2°	5.36	173.9°	7.02
20	37.3°	5.42	141.2°	8.09

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