OSTINATO — ORC Rating

GPH

603.9

OSN

586.2

LOA

10.57 m

Displacement

3796 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6778

Medium

0.9109

High

1.0276

Triple Offshore

Low

0.8729

Medium

1.1198

High

1.2513

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.34 m
Draft: 1.71 m
Displacement: 3796 kg
Crew weight: 628 kg
Wetted surface: 24.48 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

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.

6,43.6,4.957387,52,5.5,60,5.81,75,6.01,90,5.87,110,5.92,120,5.78,135,5.13,143.3,4.677119,150,4.33
8,41.9,5.884633,52,6.51,60,6.74,75,6.88,90,6.85,110,7.04,120,6.95,135,6.44,147.1,5.669232,150,5.5
10,39.4,6.379948,52,7.03,60,7.2,75,7.32,90,7.32,110,7.62,120,7.59,135,7.28,147.8,6.665145,150,6.51
12,38,6.560824,52,7.26,60,7.45,75,7.64,90,7.68,110,8.06,120,8.13,135,7.84,150,7.23,150.3,7.206738
14,37.8,6.694889,52,7.37,60,7.58,75,7.88,90,8.01,110,8.4,120,8.63,135,8.42,148.7,7.747594,150,7.64
16,37.5,6.756132,52,7.44,60,7.67,75,8.03,90,8.3,110,8.69,120,9.13,135,9.05,150,8.02,173.9,7.049917
20,37.3,6.813552,52,7.53,60,7.79,75,8.25,90,8.71,110,9.25,120,9.98,135,10.89,141.5,10.260563,150,9.28
24,38.2,6.833305,52,7.54,60,7.84,75,8.39,90,9,110,9.83,120,11,135,13.58,142.7,13.677389,150,12.57

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.5	5.81	6.01	5.87	5.92	5.78	5.13	4.33
8	6.51	6.74	6.88	6.85	7.04	6.95	6.44	5.5
10	7.03	7.2	7.32	7.32	7.62	7.59	7.28	6.51
12	7.26	7.45	7.64	7.68	8.06	8.13	7.84	7.23
14	7.37	7.58	7.88	8.01	8.4	8.63	8.42	7.64
16	7.44	7.67	8.03	8.3	8.69	9.13	9.05	8.02
20	7.53	7.79	8.25	8.71	9.25	9.98	10.89	9.28
24	7.54	7.84	8.39	9	9.83	11	13.58	12.57

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.59	143.3°	3.75
8	41.9°	4.38	147.1°	4.76
10	39.4°	4.93	147.8°	5.64
12	38°	5.17	150.3°	6.26
14	37.8°	5.29	148.7°	6.62
16	37.5°	5.36	173.9°	7.01
20	37.3°	5.42	141.5°	8.03
24	38.2°	5.37	142.7°	10.88

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